summaryrefslogtreecommitdiffabout
path: root/pwmanager/libcrypt/crypt
Side-by-side diff
Diffstat (limited to 'pwmanager/libcrypt/crypt') (more/less context) (ignore whitespace changes)
-rw-r--r--pwmanager/libcrypt/crypt/Manifest58
-rw-r--r--pwmanager/libcrypt/crypt/ath.c287
-rw-r--r--pwmanager/libcrypt/crypt/ath.h116
-rw-r--r--pwmanager/libcrypt/crypt/cipher.h80
-rw-r--r--pwmanager/libcrypt/crypt/g10lib.h250
-rw-r--r--pwmanager/libcrypt/crypt/gcrypt-module.h225
-rw-r--r--pwmanager/libcrypt/crypt/gcrypt.h1497
-rw-r--r--pwmanager/libcrypt/crypt/global.c672
-rw-r--r--pwmanager/libcrypt/crypt/misc.c241
-rw-r--r--pwmanager/libcrypt/crypt/missing-string.c151
-rw-r--r--pwmanager/libcrypt/crypt/module.c200
-rw-r--r--pwmanager/libcrypt/crypt/mpi.h199
-rw-r--r--pwmanager/libcrypt/crypt/secmem.c653
-rw-r--r--pwmanager/libcrypt/crypt/secmem.h38
-rw-r--r--pwmanager/libcrypt/crypt/sexp.c1804
-rw-r--r--pwmanager/libcrypt/crypt/stdmem.c195
-rw-r--r--pwmanager/libcrypt/crypt/stdmem.h32
-rw-r--r--pwmanager/libcrypt/crypt/types.h124
18 files changed, 6822 insertions, 0 deletions
diff --git a/pwmanager/libcrypt/crypt/Manifest b/pwmanager/libcrypt/crypt/Manifest
new file mode 100644
index 0000000..2d003d8
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/Manifest
@@ -0,0 +1,58 @@
+# Manifest - checksums of the src directory
+# Copyright 2004 Free Software Foundation, Inc.
+#
+# This file is part of Libgcrypt.
+#
+# Libgcrypt is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser general Public License as
+# published by the Free Software Foundation; either version 2.1 of
+# the License, or (at your option) any later version.
+#
+# Libgcrypt is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+
+# Checksums for all source files in this directory. Format is
+# filename, blanks, base-64 part of an OpenPGP detached signature
+# without the header lines. Blank lines and lines beginning with a
+# hash mark are ignored. A tool to process this file is available by
+# cvs -d :pserver:anoncvs@cvs.gnupg.org:/cvs/wk co misc-scripts/manifest-tool
+#
+# The special entry "$names$" holds a signature over all sorted
+# filenames excluding itself.
+
+gcrypt.h iQCVAwUAQH5RsTEAnp832S/7AQK7xgP+Kc3NY9lipZkaAMrnHDkQVLdHYwTbZWuGOYdTLp8Xy7Auh9wtWV9hrWVUqs+kxDzT/2iF6XkO3WT3rf/PmQ/Q0TIGfOyjE3c/qvB/jVippaxoGda3tnGpODytdI3XPhfPS0Ss8nDzfCStPBGAEq0OVU7imnExrFzhRXt+Gljr0o0==Yagz
+gcrypt-module.h iQCVAwUAQH5UXzEAnp832S/7AQJMQgQAzumz9aaZelhw+FxTCeVadphBxt1bbNQvMrnddYYblyJv+AcxZ9ZxGz2oPeusN58Qg54DQcaW3lYhTgnWfXultsi+Ruxlz7400OUrzSXOl3At7KssdODAoscFzZIgh94G9lzQxEBr9lTXI9R3LsPFJP6muNG4frcNBAA42yckK7w==BBp5
+
+ath.c iQCVAwUAQH5E+DEAnp832S/7AQKFpgP+KSZHtVcnh9FFggIyHKbALUljW2FXauasZvFyN8Sk/mIMgKxyXFOG1THBAUzWLaKWIEWU+WkYU7uThqBtpnEImM5AenWzbQuJjftPC3gVHO8yjjmBWD4zmJj28htoKDoa/xDsoqumrHxae3FYcaCWtYGVjM/Pbl+OMRMOFAhp0ho==lQZ3
+ath.h iQCVAwUAQH5FODEAnp832S/7AQKiuQQAg4K+KOAn1LWBZN32MAhms4FeZKoce0fAuZW7BpyY4cCxIVgxqrtUC90CDykw8XegFfOyyYrgd0NmaMVdY7HZDncNOvIPxpgFQPCZrycsMOoAtoVwjK704RDeNo3zmeyxTKeDH+3M1J7JmLiafaEdSbOC8flX/W0icaV0Ol4dmBc==Ll6w
+
+cipher.h iQCVAwUAQH5FUzEAnp832S/7AQJKLgP9GSSk9f7EINIRqSQH1XKX+dYzt3phDHdqFTUGIfYNh7YzGdy0drvgFhG4k15nqDouKRuFVM/hKY3ZVY7JccmKXKGAH6+ZYShoG6LMFfIGgDX8zne0dNxc72PLfns3fVxNn/RlHmHBkrQ+ppjR9HnSthFmOqzbQaW1BKmc3Z2x5GU==lIeW
+g10lib.h iQCVAwUAQH5FejEAnp832S/7AQJ75wP/ZjOybwRix5eoXdfVeXPjoPygejzpYJJdMUGN3Y5UtkfBu9mPREsKfvZ6tH+Evjx+3xfeAb4bU/k2mRMp0tiWnk2koToS08vI9uxnioKQr9oulZH6r28S+NLSgMQuEGN1JNUky6RQ9TTNRndeTjKKSrEjZ7V6bv+rb8A1bYCKChs==P5mk
+mpi.h iQCVAwUAQH5FwzEAnp832S/7AQJJ4wP9E3jVkcO9M0YtSBHIbjG3hDWKWXzi86AlUh51qiE8/2XP0FfjA4TosyvmicZs7j48HitAByr9tHOSxnbeo7NBf17ICwAo6Eqty+wKDg+eyLeEGUy7VpVK3RJRQAA4H+kl3S2l3YMTKf3WJlbc7qkWSXZspdy5c9sAxeodCKrAubU==oALf
+
+global.c iQCVAwUAQH5HFzEAnp832S/7AQJc+QQAvi53ZkMCzLnVULHvhI6W+EX537zi9n8cplYguvIJqUhAZrP68yGAIyqyCONbZVDyB7wqeXdUMLzMk7W8fg+xuk5JSDpppAQf2m/bdQyze6XVqJso682eYBM8+b9z/IVEvLaFwhZcOKO1bcXudBlBCcJgVDpupfTtAWgPnewil9Q==Xwy1
+misc.c iQCVAwUAQH5IIjEAnp832S/7AQKNJAQAkEpyY3fCG7tvADJFAW9xA7DEQwLCa8YmiUhHvrEsWOI4YgvS7LUbWWc7VqK+ryORvXLKRAVieznbnHAuy0TKtqdnmA/kUmiurS0ah5SWqR/iuAeJtt0RGsmZaZ6oa2m4PZ2Y2GCHSTZqcclvwsetS9eq5AipxHxYFUltu5wGZNI==twM2
+missing-string.c iQCVAwUAQH5JfjEAnp832S/7AQI3ZQQAg55eEJbGQQHyBEJGxvt/FXpQiXcoDit3ZHzvdaQn/NUgdLjCHiWVzhyCXACGivLWMNModDaSaZk073NXxVkWfPcX9vkF//Wugwzidd5P3Bfu5k35o+Xxz82fsk5KuFGGq1mBUZ07xUYQ8KkKkhADUkr0QiQAuypp079Yq0uUC7Q==zvKn
+module.c iQCVAwUAQH5JvjEAnp832S/7AQKlMgQAjZYTXMpWb5kHxCMXzRi069Ku/4/xnWsD+S0dje1LiKzCnRpwTTxARzc/y10Y8OcygkMuR4unEaWedO+9syjjty3fBCcue/j7YlLitq5EC9UE4o23poWvWCuX9Tadm2DK5qf4p7smMJ22O22cLTYTVCyAoYTQ2xC8ajzBsBRkX80==yRRD
+secmem.c iQCVAwUAQH5LLDEAnp832S/7AQKtFwQAwY2wBr6WJC1cwqp/1DQoKzHx9C3plONxbZMazwR7VMI83NUbBAbv1mcxpeZWXmb2dRrnsR1VBbNPDSbJLN5T6czLQ2nIb6mnq9u8Ip4SAa+GCWfDV4AUtAJ4hN/yvWo8iEKu+KD5iJ6xJh31NdXjt5yk6vnk46SA6R4FkHdIEXc==UKVr
+secmem.h iQCVAwUAQH5LTDEAnp832S/7AQIsJwQAkZUu4hvmh9NXCLNm98+tGZFzWYvZO/NffC2wdPE8Q/OTa/m3g+oBbEhaV1ze3oY4t1F/p7ZHFx5CsIp4zVjyPkxlni8AAVMUOQr/LopyxouHn2OjKO+dVqecWQf01+nPWjklbL2FZ3mQ99k2qeWZlVSkz0nm8u39F3v7z3OTCss==AJqE
+sexp.c iQCVAwUAQH5LojEAnp832S/7AQKCTQQArlrj1KGwR2x93fcyN3M0iXuGkBq5R9KNu+1Bq04G4SLlpZ1RRY0OjV3L9To1BHTd01lXlO8MNz7NpRxWlG1Sw5FohbBlhWZQRcW8GdAawJPcfIY2Y8Ek6Yx8quZKbk9uD3bcBmStmg0P+TIA0nr20bmtfB3uX2KQVHQqWZQT5qU==P8FE
+stdmem.c iQCVAwUAQH5LzjEAnp832S/7AQLOUAP9FU16itXBBrkfRDGmhUjAOeEEKdd+brQ3XdT8xoLvP/IH/6U1Kq3ampP2/xcL4kwVdz2rw6NRzP7jlL/yM3tW722lSS/JPJkH+2+qUkcb0fYNoql/WYPMYp1/Mzu6ttXnjag1cQGlKIyYAD+G6h3FtpLwQy0hEJopnF9+Ovd8U7A==CkiZ
+stdmem.h iQCVAwUAQH5L8jEAnp832S/7AQIH0wP+Lyqh0tj++s2L79Tmf/gqgCK+HLMxTddcewF3XbsYf9T5FmLez1gz6Ggti4Ss9VjozOA3ti3trCiA/YNRmV9AYw4zLUPm+MsjJuveL/AgB9HdoD2v+RfJm0WwgSKiysp+8iyjg3Plopmhba4cGuOP5MJ3CWTqYwPmJVscUKC6g38==02MN
+
+types.h iQCVAwUAQH5MKTEAnp832S/7AQLqTAP6A3mUMD5MMkBkebq4bRY6Bq0KsgdKfZ8TLhc2o87gFay8YD0Uom3YJNG2LF/rAIct2ih4jYJaIb5dRfJ0KJoPi2ETd462J8OFCL4fjq9TaSjB2pXcB+kWoxzPasGNg2Ukk0dQ6lvF1tSYrtt32PVI7q/UaPsjTylgRmzLfX/VxrU==OMu3
+
+
+# Configuration
+Makefile.am iQCVAwUAQH5WVjEAnp832S/7AQLmsQP/bbI8/UWAC5yITVhGcCOCbN/FaMqXVKjxESzo6GTs02jxK1y3RuuaoNU1ssQZGAxpFiMJW8u933V3yTHFMxWpwHemDnEyv/a8YACxJBQ0tQgpgHS716BjMbHOfcuOis2WlCOOm0ErjhAYNa4NQ1q3jwkOvTDLFpdnqaWI2wWn08U==Yjun
+libgcrypt.m4 iQCVAwUAQH5MbTEAnp832S/7AQJ1uAQA1C6xI7qXiKVtUeXawhPytAldosrzcXmqz34xi7JklQqw83d68WtWHFMBEUa7MKfi4WCbuQb7FjGUvMRw5z/T9ez7CoDekHc63+cIIZLQ23weUK8GaA1uQLoD0scmT41J5RkBlJbH7ck1zRd3d04o75rWNEUNit6KBvrQ4Pd8oQ8==uMgB
+libgcrypt-config.in iQCVAwUAQH5UbzEAnp832S/7AQJISgP+Nbd2AQnDM/k8sQLbvz8YZjwX3LigZM+AkF1VAwyAm6YOU3nrXnz5t+cXkQD2dkz4L2F0AAsIkFiJsrgmZgCp2h1L6LeFnH+hoId9RhbYw4NkDaHb+MC9JcalpcfFvvxq6vM/W37bSFimM78P+5RLKypXCytVQNAAaIRgZjVfXY8==IGDS
+libgcrypt.vers iQCVAwUAQH5MjTEAnp832S/7AQKCdQQAotG6Z3zdcePI0V33YY2sh91uYkLBNhQw+PzyE3BRRAVhMGLOBD1nSWJHJvE3eyCVOqFY0ZmvpVex51Fa0D/TwsJOO4RVxf1L9bbAncu9OuEXaGXKytLZp54TliDTAWGDq0lvtx1TvDDgtM8TbbaXvMbjfQ4wXBxdLvaenFCTlR4==kgHq
+
+$names$ iQCVAwUAQH5UhDEAnp832S/7AQK/jwP9H7A3mI99M1NGuhD+16C+2gJIITB8GJeYeUd3vm8kWQ5n76WyMCdeA62qn0JUddIBjAbagtfvTL5aesnD9MlhEGaNlHauU7SINTIJ8njKf87EAAfDZrhS/tGDziC2nakMPweRxXQCLDWHkBPjYfrspSLLohjdegqBvTNyVM76+KE==3p9Z
diff --git a/pwmanager/libcrypt/crypt/ath.c b/pwmanager/libcrypt/crypt/ath.c
new file mode 100644
index 0000000..6788bba
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/ath.c
@@ -0,0 +1,287 @@
+/* ath.c - Thread-safeness library.
+ Copyright (C) 2002, 2003, 2004 g10 Code GmbH
+
+ This file is part of Libgcrypt.
+
+ Libgcrypt is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ Libgcrypt is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with Libgcrypt; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <unistd.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#else
+# include <sys/time.h>
+#endif
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+#include "ath.h"
+
+
+/* The interface table. */
+static struct ath_ops ops;
+
+/* True if we should use the external callbacks. */
+static int ops_set;
+
+
+/* For the dummy interface. */
+#define MUTEX_UNLOCKED ((ath_mutex_t) 0)
+#define MUTEX_LOCKED ((ath_mutex_t) 1)
+#define MUTEX_DESTROYED ((ath_mutex_t) 2)
+
+
+
+/* The lock we take while checking for lazy lock initialization. */
+static ath_mutex_t check_init_lock = ATH_MUTEX_INITIALIZER;
+
+int
+ath_init (void)
+{
+ int err = 0;
+
+ if (ops_set)
+ {
+ if (ops.init)
+ err = (*ops.init) ();
+ if (err)
+ return err;
+ err = (*ops.mutex_init) (&check_init_lock);
+ }
+ return err;
+}
+
+
+/* Initialize the locking library. Returns 0 if the operation was
+ successful, EINVAL if the operation table was invalid and EBUSY if
+ we already were initialized. */
+gpg_err_code_t
+ath_install (struct ath_ops *ath_ops, int check_only)
+{
+ if (check_only)
+ {
+ enum ath_thread_option option = ATH_THREAD_OPTION_DEFAULT;
+
+ /* Check if the requested thread option is compatible to the
+ thread option we are already committed to. */
+ if (ath_ops)
+ option = ath_ops->option;
+
+ if (!ops_set && option)
+ return GPG_ERR_NOT_SUPPORTED;
+
+ if (ops.option == ATH_THREAD_OPTION_USER
+ || option == ATH_THREAD_OPTION_USER
+ || ops.option != option)
+ return GPG_ERR_NOT_SUPPORTED;
+
+ return 0;
+ }
+
+ if (ath_ops)
+ {
+ /* It is convenient to not require DESTROY. */
+ if (!ath_ops->mutex_init || !ath_ops->mutex_lock
+ || !ath_ops->mutex_unlock)
+ return GPG_ERR_INV_ARG;
+
+ ops = *ath_ops;
+ ops_set = 1;
+ }
+ else
+ ops_set = 0;
+
+ return 0;
+}
+
+
+static int
+mutex_init (ath_mutex_t *lock, int just_check)
+{
+ int err = 0;
+
+ if (just_check)
+ (*ops.mutex_lock) (&check_init_lock);
+ if (*lock == ATH_MUTEX_INITIALIZER || !just_check)
+ err = (*ops.mutex_init) (lock);
+ if (just_check)
+ (*ops.mutex_unlock) (&check_init_lock);
+ return err;
+}
+
+
+int
+ath_mutex_init (ath_mutex_t *lock)
+{
+ if (ops_set)
+ return mutex_init (lock, 0);
+
+#ifndef NDEBUG
+ *lock = MUTEX_UNLOCKED;
+#endif
+ return 0;
+}
+
+
+int
+ath_mutex_destroy (ath_mutex_t *lock)
+{
+ if (ops_set)
+ {
+ int err = mutex_init (lock, 1);
+
+ if (err)
+ return err;
+
+ if (ops.mutex_destroy)
+ return (*ops.mutex_destroy) (lock);
+ else
+ return 0;
+ }
+
+#ifndef NDEBUG
+ assert (*lock == MUTEX_UNLOCKED);
+
+ *lock = MUTEX_DESTROYED;
+#endif
+ return 0;
+}
+
+
+int
+ath_mutex_lock (ath_mutex_t *lock)
+{
+ if (ops_set)
+ {
+ int ret = mutex_init (lock, 1);
+ if (ret)
+ return ret;
+ return (*ops.mutex_lock) (lock);
+ }
+
+#ifndef NDEBUG
+ assert (*lock == MUTEX_UNLOCKED);
+
+ *lock = MUTEX_LOCKED;
+#endif
+ return 0;
+}
+
+
+int
+ath_mutex_unlock (ath_mutex_t *lock)
+{
+ if (ops_set)
+ {
+ int ret = mutex_init (lock, 1);
+ if (ret)
+ return ret;
+ return (*ops.mutex_unlock) (lock);
+ }
+
+#ifndef NDEBUG
+ assert (*lock == MUTEX_LOCKED);
+
+ *lock = MUTEX_UNLOCKED;
+#endif
+ return 0;
+}
+
+
+ssize_t
+ath_read (int fd, void *buf, size_t nbytes)
+{
+ if (ops_set && ops.read)
+ return (*ops.read) (fd, buf, nbytes);
+ else
+ return read (fd, buf, nbytes);
+}
+
+
+ssize_t
+ath_write (int fd, const void *buf, size_t nbytes)
+{
+ if (ops_set && ops.write)
+ return (*ops.write) (fd, buf, nbytes);
+ else
+ return write (fd, buf, nbytes);
+}
+
+
+ssize_t
+ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout)
+{
+ if (ops_set && ops.select)
+ return (*ops.select) (nfd, rset, wset, eset, timeout);
+ else
+ return select (nfd, rset, wset, eset, timeout);
+}
+
+
+ssize_t
+ath_waitpid (pid_t pid, int *status, int options)
+{
+ if (ops_set && ops.waitpid)
+ return (*ops.waitpid) (pid, status, options);
+ else
+ return waitpid (pid, status, options);
+}
+
+
+int
+ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr)
+{
+ if (ops_set && ops.accept)
+ return (*ops.accept) (s, addr, length_ptr);
+ else
+ return accept (s, addr, length_ptr);
+}
+
+
+int
+ath_connect (int s, struct sockaddr *addr, socklen_t length)
+{
+ if (ops_set && ops.connect)
+ return (*ops.connect) (s, addr, length);
+ else
+ return connect (s, addr, length);
+}
+
+
+int
+ath_sendmsg (int s, const struct msghdr *msg, int flags)
+{
+ if (ops_set && ops.sendmsg)
+ return (*ops.sendmsg) (s, msg, flags);
+ else
+ return sendmsg (s, msg, flags);
+}
+
+
+int
+ath_recvmsg (int s, struct msghdr *msg, int flags)
+{
+ if (ops_set && ops.recvmsg)
+ return (*ops.recvmsg) (s, msg, flags);
+ else
+ return recvmsg (s, msg, flags);
+}
diff --git a/pwmanager/libcrypt/crypt/ath.h b/pwmanager/libcrypt/crypt/ath.h
new file mode 100644
index 0000000..d492c2a
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/ath.h
@@ -0,0 +1,116 @@
+/* ath.h - Thread-safeness library.
+ Copyright (C) 2002, 2003, 2004 g10 Code GmbH
+
+ This file is part of Libgcrypt.
+
+ Libgcrypt is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ Libgcrypt is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with Libgcrypt; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#ifndef ATH_H
+#define ATH_H
+
+#ifdef _WIN32
+#warning We need to replace these hacks by cleaner code.
+typedef int ssize_t;
+typedef int pid_t;
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+#include <gpg-error.h>
+
+#include <config.h>
+
+
+/* Define _ATH_EXT_SYM_PREFIX if you want to give all external symbols
+ a prefix. */
+#define _ATH_EXT_SYM_PREFIX _gcry_
+
+#ifdef _ATH_EXT_SYM_PREFIX
+#define _ATH_PREFIX1(x,y) x ## y
+#define _ATH_PREFIX2(x,y) _ATH_PREFIX1(x,y)
+#define _ATH_PREFIX(x) _ATH_PREFIX2(_ATH_EXT_SYM_PREFIX,x)
+#define ath_install _ATH_PREFIX(ath_install)
+#define ath_init _ATH_PREFIX(ath_init)
+#define ath_mutex_init _ATH_PREFIX(ath_mutex_init)
+#define ath_mutex_destroy _ATH_PREFIX(ath_mutex_destroy)
+#define ath_mutex_lock _ATH_PREFIX(ath_mutex_lock)
+#define ath_mutex_unlock _ATH_PREFIX(ath_mutex_unlock)
+#define ath_read _ATH_PREFIX(ath_read)
+#define ath_write _ATH_PREFIX(ath_write)
+#define ath_select _ATH_PREFIX(ath_select)
+#define ath_waitpid _ATH_PREFIX(ath_waitpid)
+#define ath_connect _ATH_PREFIX(ath_connect)
+#define ath_accept _ATH_PREFIX(ath_accept)
+#define ath_sendmsg _ATH_PREFIX(ath_sendmsg)
+#define ath_recvmsg _ATH_PREFIX(ath_recvmsg)
+#endif
+
+
+enum ath_thread_option
+ {
+ ATH_THREAD_OPTION_DEFAULT = 0,
+ ATH_THREAD_OPTION_USER = 1,
+ ATH_THREAD_OPTION_PTH = 2,
+ ATH_THREAD_OPTION_PTHREAD = 3
+ };
+
+struct ath_ops
+{
+ enum ath_thread_option option;
+ int (*init) (void);
+ int (*mutex_init) (void **priv);
+ int (*mutex_destroy) (void *priv);
+ int (*mutex_lock) (void *priv);
+ int (*mutex_unlock) (void *priv);
+ ssize_t (*read) (int fd, void *buf, size_t nbytes);
+ ssize_t (*write) (int fd, const void *buf, size_t nbytes);
+ ssize_t (*select) (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout);
+ ssize_t (*waitpid) (pid_t pid, int *status, int options);
+ int (*accept) (int s, struct sockaddr *addr, socklen_t *length_ptr);
+ int (*connect) (int s, struct sockaddr *addr, socklen_t length);
+ int (*sendmsg) (int s, const struct msghdr *msg, int flags);
+ int (*recvmsg) (int s, struct msghdr *msg, int flags);
+};
+
+gpg_err_code_t ath_install (struct ath_ops *ath_ops, int check_only);
+int ath_init (void);
+
+
+/* Functions for mutual exclusion. */
+typedef void *ath_mutex_t;
+#define ATH_MUTEX_INITIALIZER 0
+
+int ath_mutex_init (ath_mutex_t *mutex);
+int ath_mutex_destroy (ath_mutex_t *mutex);
+int ath_mutex_lock (ath_mutex_t *mutex);
+int ath_mutex_unlock (ath_mutex_t *mutex);
+
+
+/* Replacement for the POSIX functions, which can be used to allow
+ other (user-level) threads to run. */
+ssize_t ath_read (int fd, void *buf, size_t nbytes);
+ssize_t ath_write (int fd, const void *buf, size_t nbytes);
+ssize_t ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout);
+ssize_t ath_waitpid (pid_t pid, int *status, int options);
+int ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr);
+int ath_connect (int s, struct sockaddr *addr, socklen_t length);
+int ath_sendmsg (int s, const struct msghdr *msg, int flags);
+int ath_recvmsg (int s, struct msghdr *msg, int flags);
+
+#endif /* ATH_H */
diff --git a/pwmanager/libcrypt/crypt/cipher.h b/pwmanager/libcrypt/crypt/cipher.h
new file mode 100644
index 0000000..a5f194e
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/cipher.h
@@ -0,0 +1,80 @@
+/* cipher.h
+ * Copyright (C) 1998, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifndef G10_CIPHER_H
+#define G10_CIPHER_H
+
+#include <gcrypt.h>
+
+#define DBG_CIPHER _gcry_get_debug_flag( 1 )
+
+#include "../cipher/random.h"
+
+#define PUBKEY_FLAG_NO_BLINDING (1 << 0)
+
+/*-- rmd160.c --*/
+void _gcry_rmd160_hash_buffer (char *outbuf, const char *buffer, size_t length);
+/*-- sha1.c --*/
+void _gcry_sha1_hash_buffer (char *outbuf, const char *buffer, size_t length);
+
+/*-- dsa.c --*/
+void _gcry_register_pk_dsa_progress (gcry_handler_progress_t cbc, void *cb_data);
+/*-- elgamal.c --*/
+void _gcry_register_pk_elg_progress (gcry_handler_progress_t cb, void *cb_data);
+/*-- primegen.c --*/
+void _gcry_register_primegen_progress (gcry_handler_progress_t cb, void *cb_data);
+
+/*-- pubkey.c --*/
+const char * _gcry_pk_aliased_algo_name (int algorithm);
+
+/* Declarations for the cipher specifications. */
+extern gcry_cipher_spec_t _gcry_cipher_spec_blowfish;
+extern gcry_cipher_spec_t _gcry_cipher_spec_des;
+extern gcry_cipher_spec_t _gcry_cipher_spec_tripledes;
+extern gcry_cipher_spec_t _gcry_cipher_spec_arcfour;
+extern gcry_cipher_spec_t _gcry_cipher_spec_cast5;
+extern gcry_cipher_spec_t _gcry_cipher_spec_aes;
+extern gcry_cipher_spec_t _gcry_cipher_spec_aes192;
+extern gcry_cipher_spec_t _gcry_cipher_spec_aes256;
+extern gcry_cipher_spec_t _gcry_cipher_spec_twofish;
+extern gcry_cipher_spec_t _gcry_cipher_spec_twofish128;
+extern gcry_cipher_spec_t _gcry_cipher_spec_serpent128;
+extern gcry_cipher_spec_t _gcry_cipher_spec_serpent192;
+extern gcry_cipher_spec_t _gcry_cipher_spec_serpent256;
+extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40;
+
+/* Declarations for the digest specifications. */
+extern gcry_md_spec_t _gcry_digest_spec_crc32;
+extern gcry_md_spec_t _gcry_digest_spec_crc32_rfc1510;
+extern gcry_md_spec_t _gcry_digest_spec_crc24_rfc2440;
+extern gcry_md_spec_t _gcry_digest_spec_md4;
+extern gcry_md_spec_t _gcry_digest_spec_md5;
+extern gcry_md_spec_t _gcry_digest_spec_rmd160;
+extern gcry_md_spec_t _gcry_digest_spec_sha1;
+extern gcry_md_spec_t _gcry_digest_spec_sha256;
+extern gcry_md_spec_t _gcry_digest_spec_sha512;
+extern gcry_md_spec_t _gcry_digest_spec_sha384;
+extern gcry_md_spec_t _gcry_digest_spec_tiger;
+
+/* Declarations for the pubkey cipher specifications. */
+extern gcry_pk_spec_t _gcry_pubkey_spec_rsa;
+extern gcry_pk_spec_t _gcry_pubkey_spec_elg;
+extern gcry_pk_spec_t _gcry_pubkey_spec_dsa;
+
+#endif /*G10_CIPHER_H*/
diff --git a/pwmanager/libcrypt/crypt/g10lib.h b/pwmanager/libcrypt/crypt/g10lib.h
new file mode 100644
index 0000000..0aef376
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/g10lib.h
@@ -0,0 +1,250 @@
+/* g10lib.h - internal defintions for libgcrypt
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This header is to be used inside of libgcrypt in place of gcrypt.h.
+ * This way we can better distinguish between internal and external
+ * usage of gcrypt.h
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef G10LIB_H
+#define G10LIB_H 1
+
+#ifdef _GCRYPT_H
+#error gcrypt.h already included
+#endif
+
+#ifndef _GCRYPT_IN_LIBGCRYPT
+#error something is wrong with config.h
+#endif
+
+#include <gcrypt.h>
+#include "types.h"
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
+#define JNLIB_GCC_M_FUNCTION 1
+#define JNLIB_GCC_A_NR __attribute__ ((noreturn))
+#define JNLIB_GCC_A_PRINTF( f, a ) __attribute__ ((format (printf,f,a)))
+#define JNLIB_GCC_A_NR_PRINTF( f, a ) \
+ __attribute__ ((noreturn, format (printf,f,a)))
+#define GCC_ATTR_NORETURN __attribute__ ((__noreturn__))
+#else
+#define JNLIB_GCC_A_NR
+#define JNLIB_GCC_A_PRINTF( f, a )
+#define JNLIB_GCC_A_NR_PRINTF( f, a )
+#define GCC_ATTR_NORETURN
+#endif
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96 )
+#define GCC_ATTR_PURE __attribute__ ((__pure__))
+#else
+#define GCC_ATTR_PURE
+#endif
+
+/* (The malloc attribute might be defined prior to 3.2 - I am just not sure) */
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2 )
+#define GCC_ATTR_MALLOC __attribute__ ((__malloc__))
+#else
+#define GCC_ATTR_MALLOC
+#endif
+
+#ifdef G10_I18N_H
+#error i18n should not be included here
+#endif
+
+#define _(a) _gcry_gettext(a)
+#define N_(a) (a)
+
+void _gcry_check_heap( const void *a );
+
+int _gcry_get_debug_flag( unsigned int mask );
+
+
+/*-- gcrypt/misc.c --*/
+
+#ifdef JNLIB_GCC_M_FUNCTION
+void _gcry_bug (const char *file, int line,
+ const char *func) GCC_ATTR_NORETURN;
+#else
+void _gcry_bug (const char *file, int line);
+#endif
+
+const char *_gcry_gettext (const char *key);
+void _gcry_fatal_error(int rc, const char *text ) JNLIB_GCC_A_NR;
+void _gcry_log( int level, const char *fmt, ... ) JNLIB_GCC_A_PRINTF(2,3);
+void _gcry_log_bug( const char *fmt, ... ) JNLIB_GCC_A_NR_PRINTF(1,2);
+void _gcry_log_fatal( const char *fmt, ... ) JNLIB_GCC_A_NR_PRINTF(1,2);
+void _gcry_log_error( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
+void _gcry_log_info( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
+void _gcry_log_debug( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
+void _gcry_log_printf ( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
+
+void _gcry_set_log_verbosity( int level );
+int _gcry_log_verbosity( int level );
+
+#ifdef JNLIB_GCC_M_FUNCTION
+#define BUG() _gcry_bug( __FILE__ , __LINE__, __FUNCTION__ )
+#else
+#define BUG() _gcry_bug( __FILE__ , __LINE__ )
+#endif
+
+#define log_hexdump _gcry_log_hexdump
+#define log_bug _gcry_log_bug
+#define log_fatal _gcry_log_fatal
+#define log_error _gcry_log_error
+#define log_info _gcry_log_info
+#define log_debug _gcry_log_debug
+#define log_printf _gcry_log_printf
+
+
+
+
+/*-- cipher/pubkey.c --*/
+
+#ifndef mpi_powm
+#define mpi_powm(w,b,e,m) gcry_mpi_powm( (w), (b), (e), (m) )
+#endif
+
+/*-- primegen.c --*/
+gcry_mpi_t _gcry_generate_secret_prime (unsigned int nbits,
+ int (*extra_check)(void*, gcry_mpi_t),
+ void *extra_check_arg);
+gcry_mpi_t _gcry_generate_public_prime (unsigned int nbits,
+ int (*extra_check)(void*, gcry_mpi_t),
+ void *extra_check_arg);
+gcry_mpi_t _gcry_generate_elg_prime( int mode, unsigned pbits, unsigned qbits,
+ gcry_mpi_t g, gcry_mpi_t **factors );
+
+
+/* replacements of missing functions (missing-string.c)*/
+#ifndef HAVE_STPCPY
+char *stpcpy (char *a, const char *b);
+#endif
+#ifndef HAVE_STRCASECMP
+int strcasecmp (const char *a, const char *b) GCC_ATTR_PURE;
+#endif
+
+/* macros used to rename missing functions */
+#ifndef HAVE_STRTOUL
+#define strtoul(a,b,c) ((unsigned long)strtol((a),(b),(c)))
+#endif
+#ifndef HAVE_MEMMOVE
+#define memmove(d, s, n) bcopy((s), (d), (n))
+#endif
+#ifndef HAVE_STRICMP
+#define stricmp(a,b) strcasecmp( (a), (b) )
+#endif
+#ifndef HAVE_ATEXIT
+#define atexit(a) (on_exit((a),0))
+#endif
+#ifndef HAVE_RAISE
+#define raise(a) kill(getpid(), (a))
+#endif
+
+
+/* some handy macros */
+#ifndef STR
+#define STR(v) #v
+#endif
+#define STR2(v) STR(v)
+#define DIM(v) (sizeof(v)/sizeof((v)[0]))
+#define DIMof(type,member) DIM(((type *)0)->member)
+
+/* Stack burning. */
+
+void _gcry_burn_stack (int bytes);
+
+
+/* To avoid that a compiler optimizes certain memset calls away, these
+ macros may be used instead. */
+#define wipememory2(_ptr,_set,_len) do { \
+ volatile char *_vptr=(volatile char *)(_ptr); \
+ size_t _vlen=(_len); \
+ while(_vlen) { *_vptr=(_set); _vptr++; _vlen--; } \
+ } while(0)
+#define wipememory(_ptr,_len) wipememory2(_ptr,0,_len)
+
+
+
+/* Digit predicates. */
+
+#define digitp(p) (*(p) >= '0' && *(p) <= '9')
+#define octdigitp(p) (*(p) >= '0' && *(p) <= '7')
+#define alphap(a) ( (*(a) >= 'A' && *(a) <= 'Z') \
+ || (*(a) >= 'a' && *(a) <= 'z'))
+#define hexdigitp(a) (digitp (a) \
+ || (*(a) >= 'A' && *(a) <= 'F') \
+ || (*(a) >= 'a' && *(a) <= 'f'))
+
+/* Management for ciphers/digests/pubkey-ciphers. */
+
+/* Structure for each registered `module'. */
+struct gcry_module
+{
+ struct gcry_module *next; /* List pointers. */
+ struct gcry_module **prevp;
+ void *spec; /* The acctual specs. */
+ int flags; /* Associated flags. */
+ int counter; /* Use counter. */
+ unsigned int mod_id; /* ID of this module. */
+};
+
+/* Flags for the `flags' member of gcry_module_t. */
+#define FLAG_MODULE_DISABLED 1 << 0
+
+gcry_err_code_t _gcry_module_add (gcry_module_t *entries,
+ unsigned int id,
+ void *spec,
+ gcry_module_t *module);
+
+typedef int (*gcry_module_lookup_t) (void *spec, void *data);
+
+/* Lookup a module specification by it's ID. After a successfull
+ lookup, the module has it's resource counter incremented. */
+gcry_module_t _gcry_module_lookup_id (gcry_module_t entries,
+ unsigned int id);
+
+/* Internal function. Lookup a module specification. */
+gcry_module_t _gcry_module_lookup (gcry_module_t entries, void *data,
+ gcry_module_lookup_t func);
+
+/* Release a module. In case the use-counter reaches zero, destroy
+ the module. */
+void _gcry_module_release (gcry_module_t entry);
+
+/* Add a reference to a module. */
+void _gcry_module_use (gcry_module_t module);
+
+/* Return a list of module IDs. */
+gcry_err_code_t _gcry_module_list (gcry_module_t modules,
+ int *list, int *list_length);
+
+gcry_err_code_t _gcry_cipher_init (void);
+gcry_err_code_t _gcry_md_init (void);
+gcry_err_code_t _gcry_pk_init (void);
+
+gcry_err_code_t _gcry_pk_module_lookup (int id, gcry_module_t *module);
+void _gcry_pk_module_release (gcry_module_t module);
+
+/* Memory management. */
+
+gcry_err_code_t _gcry_malloc (size_t n, unsigned int flags, void **mem);
+
+#define GCRY_ALLOC_FLAG_SECURE (1 << 0)
+
+#endif /* G10LIB_H */
diff --git a/pwmanager/libcrypt/crypt/gcrypt-module.h b/pwmanager/libcrypt/crypt/gcrypt-module.h
new file mode 100644
index 0000000..1099c92
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/gcrypt-module.h
@@ -0,0 +1,225 @@
+/* gcrypt-module.h - GNU cryptographic library interface
+ * Copyright (C) 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+/* This file contains the necessary declarations/definitions for
+ working with Libgcrypt modules. */
+
+#ifndef _GCRYPT_MODULE_H
+#define _GCRYPT_MODULE_H
+
+#ifdef __cplusplus
+extern "C" {
+#if 0 /* keep Emacsens's auto-indent happy */
+}
+#endif
+#endif
+
+/* This type represents a `module'. */
+typedef struct gcry_module *gcry_module_t;
+
+/* Check that the library fulfills the version requirement. */
+
+/* Type for the cipher_setkey function. */
+typedef gcry_err_code_t (*gcry_cipher_setkey_t) (void *c,
+ const unsigned char *key,
+ unsigned keylen);
+
+/* Type for the cipher_encrypt function. */
+typedef void (*gcry_cipher_encrypt_t) (void *c,
+ unsigned char *outbuf,
+ const unsigned char *inbuf);
+
+/* Type for the cipher_decrypt function. */
+typedef void (*gcry_cipher_decrypt_t) (void *c,
+ unsigned char *outbuf,
+ const unsigned char *inbuf);
+
+/* Type for the cipher_stencrypt function. */
+typedef void (*gcry_cipher_stencrypt_t) (void *c,
+ unsigned char *outbuf,
+ const unsigned char *inbuf,
+ unsigned int n);
+
+/* Type for the cipher_stdecrypt function. */
+typedef void (*gcry_cipher_stdecrypt_t) (void *c,
+ unsigned char *outbuf,
+ const unsigned char *inbuf,
+ unsigned int n);
+
+typedef struct gcry_cipher_oid_spec
+{
+ const char *oid;
+ int mode;
+} gcry_cipher_oid_spec_t;
+
+/* Module specification structure for ciphers. */
+typedef struct gcry_cipher_spec
+{
+ const char *name;
+ const char **aliases;
+ gcry_cipher_oid_spec_t *oids;
+ size_t blocksize;
+ size_t keylen;
+ size_t contextsize;
+ gcry_cipher_setkey_t setkey;
+ gcry_cipher_encrypt_t encrypt;
+ gcry_cipher_decrypt_t decrypt;
+ gcry_cipher_stencrypt_t stencrypt;
+ gcry_cipher_stdecrypt_t stdecrypt;
+} gcry_cipher_spec_t;
+
+/* Register a new cipher module whose specification can be found in
+ CIPHER. On success, a new algorithm ID is stored in ALGORITHM_ID
+ and a pointer representhing this module is stored in MODULE. */
+gcry_error_t gcry_cipher_register (gcry_cipher_spec_t *cipher,
+ unsigned int *algorithm_id,
+ gcry_module_t *module);
+
+/* Unregister the cipher identified by MODULE, which must have been
+ registered with gcry_cipher_register. */
+void gcry_cipher_unregister (gcry_module_t module);
+
+/* ********************** */
+
+/* Type for the pk_generate function. */
+typedef gcry_err_code_t (*gcry_pk_generate_t) (int algo,
+ unsigned int nbits,
+ unsigned long use_e,
+ gcry_mpi_t *skey,
+ gcry_mpi_t **retfactors);
+
+/* Type for the pk_check_secret_key function. */
+typedef gcry_err_code_t (*gcry_pk_check_secret_key_t) (int algo,
+ gcry_mpi_t *skey);
+
+/* Type for the pk_encrypt function. */
+typedef gcry_err_code_t (*gcry_pk_encrypt_t) (int algo,
+ gcry_mpi_t *resarr,
+ gcry_mpi_t data,
+ gcry_mpi_t *pkey,
+ int flags);
+
+/* Type for the pk_decrypt function. */
+typedef gcry_err_code_t (*gcry_pk_decrypt_t) (int algo,
+ gcry_mpi_t *result,
+ gcry_mpi_t *data,
+ gcry_mpi_t *skey,
+ int flags);
+
+/* Type for the pk_sign function. */
+typedef gcry_err_code_t (*gcry_pk_sign_t) (int algo,
+ gcry_mpi_t *resarr,
+ gcry_mpi_t data,
+ gcry_mpi_t *skey);
+
+/* Type for the pk_verify function. */
+typedef gcry_err_code_t (*gcry_pk_verify_t) (int algo,
+ gcry_mpi_t hash,
+ gcry_mpi_t *data,
+ gcry_mpi_t *pkey,
+ int (*cmp) (void *, gcry_mpi_t),
+ void *opaquev);
+
+/* Type for the pk_get_nbits function. */
+typedef unsigned (*gcry_pk_get_nbits_t) (int algo, gcry_mpi_t *pkey);
+
+/* Module specification structure for message digests. */
+typedef struct gcry_pk_spec
+{
+ const char *name;
+ char **aliases;
+ const char *elements_pkey;
+ const char *elements_skey;
+ const char *elements_enc;
+ const char *elements_sig;
+ const char *elements_grip;
+ int use;
+ gcry_pk_generate_t generate;
+ gcry_pk_check_secret_key_t check_secret_key;
+ gcry_pk_encrypt_t encrypt;
+ gcry_pk_decrypt_t decrypt;
+ gcry_pk_sign_t sign;
+ gcry_pk_verify_t verify;
+ gcry_pk_get_nbits_t get_nbits;
+} gcry_pk_spec_t;
+
+/* Register a new pubkey module whose specification can be found in
+ PUBKEY. On success, a new algorithm ID is stored in ALGORITHM_ID
+ and a pointer representhing this module is stored in MODULE. */
+gcry_error_t gcry_pk_register (gcry_pk_spec_t *pubkey,
+ unsigned int *algorithm_id,
+ gcry_module_t *module);
+
+/* Unregister the pubkey identified by ID, which must have been
+ registered with gcry_pk_register. */
+void gcry_pk_unregister (gcry_module_t module);
+
+/* ********************** */
+
+/* Type for the md_init function. */
+typedef void (*gcry_md_init_t) (void *c);
+
+/* Type for the md_write function. */
+typedef void (*gcry_md_write_t) (void *c, unsigned char *buf, size_t nbytes);
+
+/* Type for the md_final function. */
+typedef void (*gcry_md_final_t) (void *c);
+
+/* Type for the md_read function. */
+typedef unsigned char *(*gcry_md_read_t) (void *c);
+
+typedef struct gcry_md_oid_spec
+{
+ const char *oidstring;
+} gcry_md_oid_spec_t;
+
+/* Module specification structure for message digests. */
+typedef struct gcry_md_spec
+{
+ const char *name;
+ unsigned char *asnoid;
+ int asnlen;
+ gcry_md_oid_spec_t *oids;
+ int mdlen;
+ gcry_md_init_t init;
+ gcry_md_write_t write;
+ gcry_md_final_t final;
+ gcry_md_read_t read;
+ size_t contextsize; /* allocate this amount of context */
+} gcry_md_spec_t;
+
+/* Register a new digest module whose specification can be found in
+ DIGEST. On success, a new algorithm ID is stored in ALGORITHM_ID
+ and a pointer representhing this module is stored in MODULE. */
+gcry_error_t gcry_md_register (gcry_md_spec_t *digest,
+ unsigned int *algorithm_id,
+ gcry_module_t *module);
+
+/* Unregister the digest identified by ID, which must have been
+ registered with gcry_digest_register. */
+void gcry_md_unregister (gcry_module_t module);
+
+#if 0 /* keep Emacsens's auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/pwmanager/libcrypt/crypt/gcrypt.h b/pwmanager/libcrypt/crypt/gcrypt.h
new file mode 100644
index 0000000..49ac53f
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/gcrypt.h
@@ -0,0 +1,1497 @@
+/* gcrypt.h - GNU cryptographic library interface
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ * 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef _GCRYPT_H
+#define _GCRYPT_H
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <gpg-error.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+/* This is required for error code compatibility. */
+#define _GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_GCRYPT
+
+#ifdef __cplusplus
+extern "C" {
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+/* The version of this header should match the one of the library. It
+ should not be used by a program because gcry_check_version() should
+ return the same version. The purpose of this macro is to let
+ autoconf (using the AM_PATH_GCRYPT macro) check that this header
+ matches the installed library. Note: Do not edit the next line as
+ configure may fix the string here. */
+#define GCRYPT_VERSION "1.2.0"
+
+/* Internal: We can't use the convenience macros for the multi
+ precision integer functions when building this library. */
+#ifdef _GCRYPT_IN_LIBGCRYPT
+#ifndef GCRYPT_NO_MPI_MACROS
+#define GCRYPT_NO_MPI_MACROS 1
+#endif
+#endif
+
+/* We want to use gcc attributes when possible. Warning: Don't use
+ these macros in your programs: As indicated by the leading
+ underscore they are subject to change without notice. */
+#ifdef __GNUC__
+
+#define _GCRY_GCC_VERSION (__GNUC__ * 10000 \
+ + __GNUC_MINOR__ * 100 \
+ + __GNUC_PATCHLEVEL__)
+
+#if _GCRY_GCC_VERSION >= 30100
+#define _GCRY_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
+#endif
+
+#if _GCRY_GCC_VERSION >= 29600
+#define _GCRY_GCC_ATTR_PURE __attribute__ ((__pure__))
+#endif
+
+#if _GCRY_GCC_VERSION >= 300200
+#define _GCRY_GCC_ATTR_MALLOC __attribute__ ((__malloc__))
+#endif
+
+#endif /*__GNUC__*/
+
+#ifndef _GCRY_GCC_ATTR_DEPRECATED
+#define _GCRY_GCC_ATTR_DEPRECATED
+#endif
+#ifndef _GCRY_GCC_ATTR_PURE
+#define _GCRY_GCC_ATTR_PURE
+#endif
+#ifndef _GCRY_GCC_ATTR_MALLOC
+#define _GCRY_GCC_ATTR_MALLOC
+#endif
+
+/* Wrappers for the libgpg-error library. */
+
+typedef gpg_error_t gcry_error_t;
+typedef gpg_err_code_t gcry_err_code_t;
+typedef gpg_err_source_t gcry_err_source_t;
+
+static GPG_ERR_INLINE gcry_error_t
+gcry_err_make (gcry_err_source_t source, gcry_err_code_t code)
+{
+ return gpg_err_make (source, code);
+}
+
+/* The user can define GPG_ERR_SOURCE_DEFAULT before including this
+ file to specify a default source for gpg_error. */
+#ifndef GCRY_ERR_SOURCE_DEFAULT
+#define GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1
+#endif
+
+static GPG_ERR_INLINE gcry_error_t
+gcry_error (gcry_err_code_t code)
+{
+ return gcry_err_make (GCRY_ERR_SOURCE_DEFAULT, code);
+}
+
+static GPG_ERR_INLINE gcry_err_code_t
+gcry_err_code (gcry_error_t err)
+{
+ return gpg_err_code (err);
+}
+
+
+static GPG_ERR_INLINE gcry_err_source_t
+gcry_err_source (gcry_error_t err)
+{
+ return gpg_err_source (err);
+}
+
+/* Return a pointer to a string containing a description of the error
+ code in the error value ERR. */
+const char *gcry_strerror (gcry_error_t err);
+
+/* Return a pointer to a string containing a description of the error
+ source in the error value ERR. */
+const char *gcry_strsource (gcry_error_t err);
+
+/* Retrieve the error code for the system error ERR. This returns
+ GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
+ this). */
+gcry_err_code_t gcry_err_code_from_errno (int err);
+
+/* Retrieve the system error for the error code CODE. This returns 0
+ if CODE is not a system error code. */
+int gcry_err_code_to_errno (gcry_err_code_t code);
+
+/* Return an error value with the error source SOURCE and the system
+ error ERR. */
+gcry_error_t gcry_err_make_from_errno (gcry_err_source_t source, int err);
+
+/* Return an error value with the system error ERR. */
+gcry_err_code_t gcry_error_from_errno (int err);
+
+
+enum gcry_thread_option
+ {
+ GCRY_THREAD_OPTION_DEFAULT = 0,
+ GCRY_THREAD_OPTION_USER = 1,
+ GCRY_THREAD_OPTION_PTH = 2,
+ GCRY_THREAD_OPTION_PTHREAD = 3
+ };
+
+/* Wrapper for struct ath_ops. */
+struct gcry_thread_cbs
+{
+ enum gcry_thread_option option;
+ int (*init) (void);
+ int (*mutex_init) (void **priv);
+ int (*mutex_destroy) (void **priv);
+ int (*mutex_lock) (void **priv);
+ int (*mutex_unlock) (void **priv);
+ ssize_t (*read) (int fd, void *buf, size_t nbytes);
+ ssize_t (*write) (int fd, const void *buf, size_t nbytes);
+ ssize_t (*select) (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout);
+ ssize_t (*waitpid) (pid_t pid, int *status, int options);
+ int (*accept) (int s, struct sockaddr *addr, socklen_t *length_ptr);
+ int (*connect) (int s, struct sockaddr *addr, socklen_t length);
+ int (*sendmsg) (int s, const struct msghdr *msg, int flags);
+ int (*recvmsg) (int s, struct msghdr *msg, int flags);
+};
+
+#define GCRY_THREAD_OPTION_PTH_IMPL \
+static int gcry_pth_init (void) \
+{ return (pth_init () == FALSE) ? errno : 0; } \
+static int gcry_pth_mutex_init (void **priv) \
+{ \
+ int err = 0; \
+ pth_mutex_t *lock = malloc (sizeof (pth_mutex_t)); \
+ \
+ if (!lock) \
+ err = ENOMEM; \
+ if (!err) \
+ { \
+ err = pth_mutex_init (lock); \
+ if (err == FALSE) \
+ err = errno; \
+ else \
+ err = 0; \
+ if (err) \
+ free (lock); \
+ else \
+ *priv = lock; \
+ } \
+ return err; \
+} \
+static int gcry_pth_mutex_destroy (void **lock) \
+ { /* GNU Pth has no destructor function. */ free (*lock); return 0; } \
+static int gcry_pth_mutex_lock (void **lock) \
+ { return ((pth_mutex_acquire (*lock, 0, NULL)) == FALSE) \
+ ? errno : 0; } \
+static int gcry_pth_mutex_unlock (void **lock) \
+ { return ((pth_mutex_release (*lock)) == FALSE) \
+ ? errno : 0; } \
+static ssize_t gcry_pth_read (int fd, void *buf, size_t nbytes) \
+ { return pth_read (fd, buf, nbytes); } \
+static ssize_t gcry_pth_write (int fd, const void *buf, size_t nbytes) \
+ { return pth_write (fd, buf, nbytes); } \
+static ssize_t gcry_pth_select (int nfd, fd_set *rset, fd_set *wset, \
+ fd_set *eset, struct timeval *timeout) \
+ { return pth_select (nfd, rset, wset, eset, timeout); } \
+static ssize_t gcry_pth_waitpid (pid_t pid, int *status, int options) \
+ { return pth_waitpid (pid, status, options); } \
+static int gcry_pth_accept (int s, struct sockaddr *addr, \
+ socklen_t *length_ptr) \
+ { return pth_accept (s, addr, length_ptr); } \
+static int gcry_pth_connect (int s, struct sockaddr *addr, socklen_t length) \
+ { return pth_connect (s, addr, length); } \
+ \
+/* FIXME: GNU Pth is missing pth_sendmsg and pth_recvmsg. */ \
+static struct gcry_thread_cbs gcry_threads_pth = { GCRY_THREAD_OPTION_PTH, \
+ gcry_pth_init, gcry_pth_mutex_init, gcry_pth_mutex_destroy, \
+ gcry_pth_mutex_lock, gcry_pth_mutex_unlock, gcry_pth_read, gcry_pth_write, \
+ gcry_pth_select, gcry_pth_waitpid, gcry_pth_accept, gcry_pth_connect }
+
+#define GCRY_THREAD_OPTION_PTHREAD_IMPL \
+static int gcry_pthread_mutex_init (void **priv) \
+{ \
+ int err = 0; \
+ pthread_mutex_t *lock = malloc (sizeof (pthread_mutex_t)); \
+ \
+ if (!lock) \
+ err = ENOMEM; \
+ if (!err) \
+ { \
+ err = pthread_mutex_init (lock, NULL); \
+ if (err) \
+ free (lock); \
+ else \
+ *priv = lock; \
+ } \
+ return err; \
+} \
+static int gcry_pthread_mutex_destroy (void **lock) \
+ { int err = pthread_mutex_destroy (*lock); free (*lock); return err; } \
+static int gcry_pthread_mutex_lock (void **lock) \
+ { return pthread_mutex_lock (*lock); } \
+static int gcry_pthread_mutex_unlock (void **lock) \
+ { return pthread_mutex_unlock (*lock); } \
+ \
+static struct gcry_thread_cbs gcry_threads_pthread = \
+{ GCRY_THREAD_OPTION_PTHREAD, NULL, \
+ gcry_pthread_mutex_init, gcry_pthread_mutex_destroy, \
+ gcry_pthread_mutex_lock, gcry_pthread_mutex_unlock }
+
+
+/* The data object used to hold a multi precision integer. */
+struct gcry_mpi;
+typedef struct gcry_mpi *gcry_mpi_t;
+
+typedef struct gcry_mpi *GCRY_MPI _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_mpi *GcryMPI _GCRY_GCC_ATTR_DEPRECATED;
+
+
+
+/* Check that the library fulfills the version requirement. */
+const char *gcry_check_version (const char *req_version);
+
+/* Codes for function dispatchers. */
+
+/* Codes used with the gcry_control function. */
+enum gcry_ctl_cmds
+ {
+ GCRYCTL_SET_KEY = 1,
+ GCRYCTL_SET_IV = 2,
+ GCRYCTL_CFB_SYNC = 3,
+ GCRYCTL_RESET = 4, /* e.g. for MDs */
+ GCRYCTL_FINALIZE = 5,
+ GCRYCTL_GET_KEYLEN = 6,
+ GCRYCTL_GET_BLKLEN = 7,
+ GCRYCTL_TEST_ALGO = 8,
+ GCRYCTL_IS_SECURE = 9,
+ GCRYCTL_GET_ASNOID = 10,
+ GCRYCTL_ENABLE_ALGO = 11,
+ GCRYCTL_DISABLE_ALGO = 12,
+ GCRYCTL_DUMP_RANDOM_STATS = 13,
+ GCRYCTL_DUMP_SECMEM_STATS = 14,
+ GCRYCTL_GET_ALGO_NPKEY = 15,
+ GCRYCTL_GET_ALGO_NSKEY = 16,
+ GCRYCTL_GET_ALGO_NSIGN = 17,
+ GCRYCTL_GET_ALGO_NENCR = 18,
+ GCRYCTL_SET_VERBOSITY = 19,
+ GCRYCTL_SET_DEBUG_FLAGS = 20,
+ GCRYCTL_CLEAR_DEBUG_FLAGS = 21,
+ GCRYCTL_USE_SECURE_RNDPOOL= 22,
+ GCRYCTL_DUMP_MEMORY_STATS = 23,
+ GCRYCTL_INIT_SECMEM = 24,
+ GCRYCTL_TERM_SECMEM = 25,
+ GCRYCTL_DISABLE_SECMEM_WARN = 27,
+ GCRYCTL_SUSPEND_SECMEM_WARN = 28,
+ GCRYCTL_RESUME_SECMEM_WARN = 29,
+ GCRYCTL_DROP_PRIVS = 30,
+ GCRYCTL_ENABLE_M_GUARD = 31,
+ GCRYCTL_START_DUMP = 32,
+ GCRYCTL_STOP_DUMP = 33,
+ GCRYCTL_GET_ALGO_USAGE = 34,
+ GCRYCTL_IS_ALGO_ENABLED = 35,
+ GCRYCTL_DISABLE_INTERNAL_LOCKING = 36,
+ GCRYCTL_DISABLE_SECMEM = 37,
+ GCRYCTL_INITIALIZATION_FINISHED = 38,
+ GCRYCTL_INITIALIZATION_FINISHED_P = 39,
+ GCRYCTL_ANY_INITIALIZATION_P = 40,
+ GCRYCTL_SET_CBC_CTS = 41,
+ GCRYCTL_SET_CBC_MAC = 42,
+ GCRYCTL_SET_CTR = 43,
+ GCRYCTL_ENABLE_QUICK_RANDOM = 44,
+ GCRYCTL_SET_RANDOM_SEED_FILE = 45,
+ GCRYCTL_UPDATE_RANDOM_SEED_FILE = 46,
+ GCRYCTL_SET_THREAD_CBS = 47
+ };
+
+/* Perform various operations defined by CMD. */
+gcry_error_t gcry_control (enum gcry_ctl_cmds CMD, ...);
+
+
+/* S-expression management. */
+
+/* The object to represent an S-expression as used with the public key
+ functions. */
+struct gcry_sexp;
+typedef struct gcry_sexp *gcry_sexp_t;
+
+typedef struct gcry_sexp *GCRY_SEXP _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_sexp *GcrySexp _GCRY_GCC_ATTR_DEPRECATED;
+
+/* The possible values for the S-expression format. */
+enum gcry_sexp_format
+ {
+ GCRYSEXP_FMT_DEFAULT = 0,
+ GCRYSEXP_FMT_CANON = 1,
+ GCRYSEXP_FMT_BASE64 = 2,
+ GCRYSEXP_FMT_ADVANCED = 3
+ };
+
+/* Create an new S-expression object from BUFFER of size LENGTH and
+ return it in RETSEXP. With AUTODETECT set to 0 the data in BUFFER
+ is expected to be in canonized format. */
+gcry_error_t gcry_sexp_new (gcry_sexp_t *retsexp,
+ const void *buffer, size_t length,
+ int autodetect);
+
+ /* Same as gcry_sexp_new but allows to pass a FREEFNC which has the
+ effect to transfer ownership of BUFFER to the created object. */
+gcry_error_t gcry_sexp_create (gcry_sexp_t *retsexp,
+ void *buffer, size_t length,
+ int autodetect, void (*freefnc) (void *));
+
+/* Scan BUFFER and return a new S-expression object in RETSEXP. This
+ function expects a printf like string in BUFFER. */
+gcry_error_t gcry_sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *buffer, size_t length);
+
+/* Same as gcry_sexp_sscan but expects a string in FORMAT and can thus
+ only be used for certain encodings. */
+gcry_error_t gcry_sexp_build (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *format, ...);
+
+/* Like gcry_sexp_build, but uses an array instead of variable
+ function arguments. */
+gcry_error_t gcry_sexp_build_array (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *format, void **arg_list);
+
+/* Release the S-expression object SEXP */
+void gcry_sexp_release (gcry_sexp_t sexp);
+
+/* Calculate the length of an canonized S-expresion in BUFFER and
+ check for a valid encoding. */
+size_t gcry_sexp_canon_len (const unsigned char *buffer, size_t length,
+ size_t *erroff, gcry_error_t *errcode);
+
+/* Copies the S-expression object SEXP into BUFFER using the format
+ specified in MODE. */
+size_t gcry_sexp_sprint (gcry_sexp_t sexp, int mode, char *buffer,
+ size_t maxlength);
+
+/* Dumps the S-expression object A in a aformat suitable for debugging
+ to Libgcrypt's logging stream. */
+void gcry_sexp_dump (const gcry_sexp_t a);
+
+gcry_sexp_t gcry_sexp_cons (const gcry_sexp_t a, const gcry_sexp_t b);
+gcry_sexp_t gcry_sexp_alist (const gcry_sexp_t *array);
+gcry_sexp_t gcry_sexp_vlist (const gcry_sexp_t a, ...);
+gcry_sexp_t gcry_sexp_append (const gcry_sexp_t a, const gcry_sexp_t n);
+gcry_sexp_t gcry_sexp_prepend (const gcry_sexp_t a, const gcry_sexp_t n);
+
+/* Scan the S-expression for a sublist with a type (the car of the
+ list) matching the string TOKEN. If TOKLEN is not 0, the token is
+ assumed to be raw memory of this length. The function returns a
+ newly allocated S-expression consisting of the found sublist or
+ `NULL' when not found. */
+gcry_sexp_t gcry_sexp_find_token (gcry_sexp_t list,
+ const char *tok, size_t toklen);
+/* Return the length of the LIST. For a valid S-expression this
+ should be at least 1. */
+int gcry_sexp_length (const gcry_sexp_t list);
+
+/* Create and return a new S-expression from the element with index
+ NUMBER in LIST. Note that the first element has the index 0. If
+ there is no such element, `NULL' is returned. */
+gcry_sexp_t gcry_sexp_nth (const gcry_sexp_t list, int number);
+
+/* Create and return a new S-expression from the first element in
+ LIST; this called the "type" and should always exist and be a
+ string. `NULL' is returned in case of a problem. */
+gcry_sexp_t gcry_sexp_car (const gcry_sexp_t list);
+
+/* Create and return a new list form all elements except for the first
+ one. Note, that this function may return an invalid S-expression
+ because it is not guaranteed, that the type exists and is a string.
+ However, for parsing a complex S-expression it might be useful for
+ intermediate lists. Returns `NULL' on error. */
+gcry_sexp_t gcry_sexp_cdr (const gcry_sexp_t list);
+
+gcry_sexp_t gcry_sexp_cadr (const gcry_sexp_t list);
+
+
+/* This function is used to get data from a LIST. A pointer to the
+ actual data with index NUMBER is returned and the length of this
+ data will be stored to DATALEN. If there is no data at the given
+ index or the index represents another list, `NULL' is returned.
+ *Note:* The returned pointer is valid as long as LIST is not
+ modified or released. */
+const char *gcry_sexp_nth_data (const gcry_sexp_t list, int number,
+ size_t *datalen);
+
+/* This function is used to get and convert data from a LIST. This
+ data is assumed to be an MPI stored in the format described by
+ MPIFMT and returned as a standard Libgcrypt MPI. The caller must
+ release this returned value using `gcry_mpi_release'. If there is
+ no data at the given index, the index represents a list or the
+ value can't be converted to an MPI, `NULL' is returned. */
+gcry_mpi_t gcry_sexp_nth_mpi (gcry_sexp_t list, int number, int mpifmt);
+
+
+
+/*******************************************
+ * *
+ * multi precision integer functions *
+ * *
+ *******************************************/
+
+/* Different formats of external big integer representation. */
+enum gcry_mpi_format
+ {
+ GCRYMPI_FMT_NONE= 0,
+ GCRYMPI_FMT_STD = 1, /* twos complement stored without length */
+ GCRYMPI_FMT_PGP = 2, /* As used by OpenPGP (only defined as unsigned)*/
+ GCRYMPI_FMT_SSH = 3, /* As used by SSH (same as 1 but with length)*/
+ GCRYMPI_FMT_HEX = 4, /* hex format */
+ GCRYMPI_FMT_USG = 5 /* like STD but this is an unsigned one */
+ };
+
+/* Flags used for creating big integers. */
+enum gcry_mpi_flag
+ {
+ GCRYMPI_FLAG_SECURE = 1, /* Allocate the number in "secure" memory. */
+ GCRYMPI_FLAG_OPAQUE = 2 /* The number is not a real one but just a
+ way to store some bytes. This is
+ useful for encrypted big integers. */
+ };
+
+
+/* Allocate a new big integer object, initialize it with 0 and
+ initially allocate memory for a number of at least NBITS. */
+gcry_mpi_t gcry_mpi_new (unsigned int nbits);
+
+/* Same as gcry_mpi_new() but allocate in "secure" memory. */
+gcry_mpi_t gcry_mpi_snew (unsigned int nbits);
+
+/* Release the number A and free all associated resources. */
+void gcry_mpi_release (gcry_mpi_t a);
+
+/* Create a new number with the same value as A. */
+gcry_mpi_t gcry_mpi_copy (const gcry_mpi_t a);
+
+/* Store the big integer value U in W. */
+gcry_mpi_t gcry_mpi_set (gcry_mpi_t w, const gcry_mpi_t u);
+
+/* Store the unsigned integer value U in W. */
+gcry_mpi_t gcry_mpi_set_ui (gcry_mpi_t w, unsigned long u);
+
+/* Swap the values of A and B. */
+void gcry_mpi_swap (gcry_mpi_t a, gcry_mpi_t b);
+
+/* Compare the big integer number U and V returning 0 for equality, a
+ positive value for U > V and a negative for U < V. */
+int gcry_mpi_cmp (const gcry_mpi_t u, const gcry_mpi_t v);
+
+/* Compare the big integer number U with the unsigned integer V
+ returning 0 for equality, a positive value for U > V and a negative
+ for U < V. */
+int gcry_mpi_cmp_ui (const gcry_mpi_t u, unsigned long v);
+
+/* Convert the external representation of an integer stored in BUFFER
+ with a length of BUFLEN into a newly create MPI returned in
+ RET_MPI. If NSCANNED is not NULL, it will receive the number of
+ bytes actually scanned after a successful operation. */
+gcry_error_t gcry_mpi_scan (gcry_mpi_t *ret_mpi, enum gcry_mpi_format format,
+ const unsigned char *buffer, size_t buflen,
+ size_t *nscanned);
+
+/* Convert the big integer A into the external representation
+ described by FORMAT and store it in the provided BUFFER which has
+ been allocated by the user with a size of BUFLEN bytes. NWRITTEN
+ receives the actual length of the external representation unless it
+ has been passed as NULL. */
+gcry_error_t gcry_mpi_print (enum gcry_mpi_format format,
+ unsigned char *buffer, size_t buflen,
+ size_t *nwritten,
+ const gcry_mpi_t a);
+
+/* Convert the big integer A int the external representation described
+ by FORMAT and store it in a newly allocated buffer which address
+ will be put into BUFFER. NWRITTEN receives the actual lengths of the
+ external representation. */
+gcry_error_t gcry_mpi_aprint (enum gcry_mpi_format format,
+ unsigned char **buffer, size_t *nwritten,
+ const gcry_mpi_t a);
+
+/* Dump the value of A in a format suitable for debugging to
+ Libgcrypt's logging stream. Note that one leading space but no
+ trailing space or linefeed will be printed. It is okay to pass
+ NULL for A. */
+void gcry_mpi_dump (const gcry_mpi_t a);
+
+
+/* W = U + V. */
+void gcry_mpi_add (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U + V. V is an unsigned integer. */
+void gcry_mpi_add_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v);
+
+/* W = U + V mod M. */
+void gcry_mpi_addm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U - V. */
+void gcry_mpi_sub (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U - V. V is an unsigned integer. */
+void gcry_mpi_sub_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v );
+
+/* W = U - V mod M */
+void gcry_mpi_subm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U * V. */
+void gcry_mpi_mul (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U * V. V is an unsigned integer. */
+void gcry_mpi_mul_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v );
+
+/* W = U * V mod M. */
+void gcry_mpi_mulm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U * (2 ^ CNT). */
+void gcry_mpi_mul_2exp (gcry_mpi_t w, gcry_mpi_t u, unsigned long cnt);
+
+/* Q = DIVIDEND / DIVISOR, R = DIVIDEND % DIVISOR,
+ Q or R may be passed as NULL. ROUND should be negative or 0. */
+void gcry_mpi_div (gcry_mpi_t q, gcry_mpi_t r,
+ gcry_mpi_t dividend, gcry_mpi_t divisor, int round);
+
+/* R = DIVIDEND % DIVISOR */
+void gcry_mpi_mod (gcry_mpi_t r, gcry_mpi_t dividend, gcry_mpi_t divisor);
+
+/* W = B ^ E mod M. */
+void gcry_mpi_powm (gcry_mpi_t w,
+ const gcry_mpi_t b, const gcry_mpi_t e,
+ const gcry_mpi_t m);
+
+/* Set G to the greatest common divisor of A and B.
+ Return true if the G is 1. */
+int gcry_mpi_gcd (gcry_mpi_t g, gcry_mpi_t a, gcry_mpi_t b);
+
+/* Set X to the multiplicative inverse of A mod M.
+ Return true if the value exists. */
+int gcry_mpi_invm (gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t m);
+
+
+/* Return the number of bits required to represent A. */
+unsigned int gcry_mpi_get_nbits (gcry_mpi_t a);
+
+/* Return true when bit number N (counting from 0) is set in A. */
+int gcry_mpi_test_bit (gcry_mpi_t a, unsigned int n);
+
+/* Set bit number N in A. */
+void gcry_mpi_set_bit (gcry_mpi_t a, unsigned int n);
+
+/* Clear bit number N in A. */
+void gcry_mpi_clear_bit (gcry_mpi_t a, unsigned int n);
+
+/* Set bit number N in A and clear all bits greater than N. */
+void gcry_mpi_set_highbit (gcry_mpi_t a, unsigned int n);
+
+/* Clear bit number N in A and all bits greater than N. */
+void gcry_mpi_clear_highbit (gcry_mpi_t a, unsigned int n);
+
+/* Shift the value of A by N bits to the right and store the result in X. */
+void gcry_mpi_rshift (gcry_mpi_t x, gcry_mpi_t a, unsigned int n);
+
+/* Store NBITS of the value P points to in A and mark A as an opaque
+ value. WARNING: Never use an opaque MPI for anything thing else then
+ gcry_mpi_release, gcry_mpi_get_opaque. */
+gcry_mpi_t gcry_mpi_set_opaque (gcry_mpi_t a, void *p, unsigned int nbits);
+
+/* Return a pointer to an opaque value stored in A and return its size
+ in NBITS. Note that the returned pointer is still owned by A and
+ that the function should never be used for an non-opaque MPI. */
+void *gcry_mpi_get_opaque (gcry_mpi_t a, unsigned int *nbits);
+
+/* Set the FLAG for the big integer A. Currently only the flag
+ GCRYMPI_FLAG_SECURE is allowed to convert A into an big intger
+ stored in "secure" memory. */
+void gcry_mpi_set_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Clear FLAG for the big integer A. Note that this function is
+ currently useless as no flags are allowed. */
+void gcry_mpi_clear_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Return true when the FLAG is set for A. */
+int gcry_mpi_get_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Unless the GCRYPT_NO_MPI_MACROS is used, provide a couple of
+ convenience macors for the big integer functions. */
+#ifndef GCRYPT_NO_MPI_MACROS
+#define mpi_new(n) gcry_mpi_new( (n) )
+#define mpi_secure_new( n ) gcry_mpi_snew( (n) )
+#define mpi_release(a) \
+ do \
+ { \
+ gcry_mpi_release ((a)); \
+ (a) = NULL; \
+ } \
+ while (0)
+
+#define mpi_copy( a ) gcry_mpi_copy( (a) )
+#define mpi_set( w, u) gcry_mpi_set( (w), (u) )
+#define mpi_set_ui( w, u) gcry_mpi_set_ui( (w), (u) )
+#define mpi_cmp( u, v ) gcry_mpi_cmp( (u), (v) )
+#define mpi_cmp_ui( u, v ) gcry_mpi_cmp_ui( (u), (v) )
+
+#define mpi_add_ui(w,u,v) gcry_mpi_add_ui((w),(u),(v))
+#define mpi_add(w,u,v) gcry_mpi_add ((w),(u),(v))
+#define mpi_addm(w,u,v,m) gcry_mpi_addm ((w),(u),(v),(m))
+#define mpi_sub_ui(w,u,v) gcry_mpi_sub_ui ((w),(u),(v))
+#define mpi_sub(w,u,v) gcry_mpi_sub ((w),(u),(v))
+#define mpi_subm(w,u,v,m) gcry_mpi_subm ((w),(u),(v),(m))
+#define mpi_mul_ui(w,u,v) gcry_mpi_mul_ui ((w),(u),(v))
+#define mpi_mul_2exp(w,u,v) gcry_mpi_mul_2exp ((w),(u),(v))
+#define mpi_mul(w,u,v) gcry_mpi_mul ((w),(u),(v))
+#define mpi_mulm(w,u,v,m) gcry_mpi_mulm ((w),(u),(v),(m))
+#define mpi_powm(w,b,e,m) gcry_mpi_powm ( (w), (b), (e), (m) )
+#define mpi_tdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), 0)
+#define mpi_fdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), -1)
+#define mpi_mod(r,a,m) gcry_mpi_mod ((r), (a), (m))
+#define mpi_gcd(g,a,b) gcry_mpi_gcd ( (g), (a), (b) )
+#define mpi_invm(g,a,b) gcry_mpi_invm ( (g), (a), (b) )
+
+#define mpi_get_nbits(a) gcry_mpi_get_nbits ((a))
+#define mpi_test_bit(a,b) gcry_mpi_test_bit ((a),(b))
+#define mpi_set_bit(a,b) gcry_mpi_set_bit ((a),(b))
+#define mpi_set_highbit(a,b) gcry_mpi_set_highbit ((a),(b))
+#define mpi_clear_bit(a,b) gcry_mpi_clear_bit ((a),(b))
+#define mpi_clear_highbit(a,b) gcry_mpi_clear_highbit ((a),(b))
+#define mpi_rshift(a,b,c) gcry_mpi_rshift ((a),(b),(c))
+
+#define mpi_set_opaque(a,b,c) gcry_mpi_set_opaque( (a), (b), (c) )
+#define mpi_get_opaque(a,b) gcry_mpi_get_opaque( (a), (b) )
+#endif /* GCRYPT_NO_MPI_MACROS */
+
+
+
+/************************************
+ * *
+ * symmetric cipher functions *
+ * *
+ ************************************/
+
+/* The data object used to hold a handle to an encryption object. */
+struct gcry_cipher_handle;
+typedef struct gcry_cipher_handle *gcry_cipher_hd_t;
+
+typedef struct gcry_cipher_handle *GCRY_CIPHER_HD _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_cipher_handle *GcryCipherHd _GCRY_GCC_ATTR_DEPRECATED;
+
+/* All symmetric encryption algorithms are identified by their IDs.
+ More IDs may be registered at runtime. */
+enum gcry_cipher_algos
+ {
+ GCRY_CIPHER_NONE = 0,
+ GCRY_CIPHER_IDEA = 1,
+ GCRY_CIPHER_3DES = 2,
+ GCRY_CIPHER_CAST5 = 3,
+ GCRY_CIPHER_BLOWFISH = 4,
+ GCRY_CIPHER_SAFER_SK128 = 5,
+ GCRY_CIPHER_DES_SK = 6,
+ GCRY_CIPHER_AES = 7,
+ GCRY_CIPHER_AES192 = 8,
+ GCRY_CIPHER_AES256 = 9,
+ GCRY_CIPHER_TWOFISH = 10,
+
+ /* Other cipher numbers are above 300 for OpenPGP reasons. */
+ GCRY_CIPHER_ARCFOUR = 301, /* Fully compatible with RSA's RC4 (tm). */
+ GCRY_CIPHER_DES = 302, /* Yes, this is single key 56 bit DES. */
+ GCRY_CIPHER_TWOFISH128 = 303,
+ GCRY_CIPHER_SERPENT128 = 304,
+ GCRY_CIPHER_SERPENT192 = 305,
+ GCRY_CIPHER_SERPENT256 = 306,
+ GCRY_CIPHER_RFC2268_40 = 307, /* Ron's Cipher 2 (40 bit). */
+ GCRY_CIPHER_RFC2268_128 = 308, /* Ron's Cipher 2 (128 bit). */
+ };
+
+/* The Rijndael algorithm is basically AES, so provide some macros. */
+#define GCRY_CIPHER_AES128 GCRY_CIPHER_AES
+#define GCRY_CIPHER_RIJNDAEL GCRY_CIPHER_AES
+#define GCRY_CIPHER_RIJNDAEL128 GCRY_CIPHER_AES128
+#define GCRY_CIPHER_RIJNDAEL192 GCRY_CIPHER_AES192
+#define GCRY_CIPHER_RIJNDAEL256 GCRY_CIPHER_AES256
+
+/* The supported encryption modes. Note that not all of them are
+ supported for each algorithm. */
+enum gcry_cipher_modes
+ {
+ GCRY_CIPHER_MODE_NONE = 0, /* Not yet specified. */
+ GCRY_CIPHER_MODE_ECB = 1, /* Electronic codebook. */
+ GCRY_CIPHER_MODE_CFB = 2, /* Cipher feedback. */
+ GCRY_CIPHER_MODE_CBC = 3, /* Cipher block chaining. */
+ GCRY_CIPHER_MODE_STREAM = 4, /* Used with stream ciphers. */
+ GCRY_CIPHER_MODE_OFB = 5, /* Outer feedback. */
+ GCRY_CIPHER_MODE_CTR = 6 /* Counter. */
+ };
+
+/* Flags used with the open function. */
+enum gcry_cipher_flags
+ {
+ GCRY_CIPHER_SECURE = 1, /* Allocate in secure memory. */
+ GCRY_CIPHER_ENABLE_SYNC = 2, /* Enable CFB sync mode. */
+ GCRY_CIPHER_CBC_CTS = 4, /* Enable CBC cipher text stealing (CTS). */
+ GCRY_CIPHER_CBC_MAC = 8 /* Enable CBC message auth. code (MAC). */
+ };
+
+
+/* Create a handle for algorithm ALGO to be used in MODE. FLAGS may
+ be given as an bitwise OR of the gcry_cipher_flags values. */
+gcry_error_t gcry_cipher_open (gcry_cipher_hd_t *handle,
+ int algo, int mode, unsigned int flags);
+
+/* Close the cioher handle H and release all resource. */
+void gcry_cipher_close (gcry_cipher_hd_t h);
+
+/* Perform various operations on the cipher object H. */
+gcry_error_t gcry_cipher_ctl (gcry_cipher_hd_t h, int cmd, void *buffer,
+ size_t buflen);
+
+/* Retrieve various information about the cipher object H. */
+gcry_error_t gcry_cipher_info (gcry_cipher_hd_t h, int what, void *buffer,
+ size_t *nbytes);
+
+/* Retrieve various information about the cipher algorithm ALGO. */
+gcry_error_t gcry_cipher_algo_info (int algo, int what, void *buffer,
+ size_t *nbytes);
+
+/* Map the cipher algorithm id ALGO to a string representation of that
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_cipher_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm name NAME to an cipher algorithm ID. Return 0 if
+ the algorithm name is not known. */
+int gcry_cipher_map_name (const char *name) _GCRY_GCC_ATTR_PURE;
+
+/* Given an ASN.1 object identifier in standard IETF dotted decimal
+ format in STRING, return the encryption mode associated with that
+ OID or 0 if not known or applicable. */
+int gcry_cipher_mode_from_oid (const char *string) _GCRY_GCC_ATTR_PURE;
+
+/* Encrypt the plaintext of size INLEN in IN using the cipher handle H
+ into the buffer OUT which has an allocated length of OUTSIZE. For
+ most algorithms it is possible to pass NULL for in and 0 for INLEN
+ and do a in-place decryption of the data provided in OUT. */
+gcry_error_t gcry_cipher_encrypt (gcry_cipher_hd_t h,
+ unsigned char *out, size_t outsize,
+ const unsigned char *in, size_t inlen);
+
+/* The counterpart to gcry_cipher_encrypt. */
+gcry_error_t gcry_cipher_decrypt (gcry_cipher_hd_t h,
+ unsigned char *out, size_t outsize,
+ const unsigned char *in, size_t inlen);
+
+/* Set key K of length L for the cipher handle H. (We have to cast
+ away a const char* here - this catch-all ctl function was probably
+ not the best choice) */
+#define gcry_cipher_setkey(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_KEY, \
+ (char*)(k), (l) )
+
+/* Set initialization vector K of length L for the cipher handle H. */
+#define gcry_cipher_setiv(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_IV, \
+ (char*)(k), (l) )
+
+/* Reset the handle to the state after open. */
+#define gcry_cipher_reset(h) gcry_cipher_ctl ((h), GCRYCTL_RESET, NULL, 0)
+
+/* Perform the the OpenPGP sync operation if this is enabled for the
+ cipher handle H. */
+#define gcry_cipher_sync(h) gcry_cipher_ctl( (h), GCRYCTL_CFB_SYNC, \
+ NULL, 0 )
+
+/* Enable or disable CTS in future calls to gcry_encrypt(). CBC mode only. */
+#define gcry_cipher_cts(h,on) gcry_cipher_ctl( (h), GCRYCTL_SET_CBC_CTS, \
+ NULL, on )
+
+/* Set counter for CTR mode. (K,L) must denote a buffer of block size
+ length, or (NULL,0) to set the CTR to the all-zero block. */
+#define gcry_cipher_setctr(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_CTR, \
+ (char*)(k), (l) )
+
+/* Retrieved the key length used with algorithm A. */
+size_t gcry_cipher_get_algo_keylen (int algo);
+
+/* Retrieve the block length used with algorithm A. */
+size_t gcry_cipher_get_algo_blklen (int algo);
+
+/* Return 0 if the algorithm A is available for use. */
+#define gcry_cipher_test_algo(a) \
+ gcry_cipher_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Get a list consisting of the IDs of the loaded cipher modules. If
+ LIST is zero, write the number of loaded cipher modules to
+ LIST_LENGTH and return. If LIST is non-zero, the first
+ *LIST_LENGTH algorithm IDs are stored in LIST, which must be of
+ according size. In case there are less cipher modules than
+ *LIST_LENGTH, *LIST_LENGTH is updated to the correct number. */
+gcry_error_t gcry_cipher_list (int *list, int *list_length);
+
+
+/************************************
+ * *
+ * asymmetric cipher functions *
+ * *
+ ************************************/
+
+/* The algorithms and their IDs we support. */
+enum gcry_pk_algos
+ {
+ GCRY_PK_RSA = 1,
+ GCRY_PK_RSA_E = 2, /* deprecated */
+ GCRY_PK_RSA_S = 3, /* deprecated */
+ GCRY_PK_ELG_E = 16, /* use only for OpenPGP */
+ GCRY_PK_DSA = 17,
+ GCRY_PK_ELG = 20
+ };
+
+/* Flags describing usage capabilities of a PK algorithm. */
+#define GCRY_PK_USAGE_SIGN 1
+#define GCRY_PK_USAGE_ENCR 2
+
+/* Encrypt the DATA using the public key PKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_encrypt (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t pkey);
+
+/* Decrypt the DATA using the private key SKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_decrypt (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t skey);
+
+/* Sign the DATA using the private key SKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_sign (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t skey);
+
+/* Check the signature SIGVAL on DATA using the public key PKEY. */
+gcry_error_t gcry_pk_verify (gcry_sexp_t sigval,
+ gcry_sexp_t data, gcry_sexp_t pkey);
+
+/* Check that private KEY is sane. */
+gcry_error_t gcry_pk_testkey (gcry_sexp_t key);
+
+/* Generate a new key pair according to the parameters given in
+ S_PARMS. The new key pair is returned in as an S-expression in
+ R_KEY. */
+gcry_error_t gcry_pk_genkey (gcry_sexp_t *r_key, gcry_sexp_t s_parms);
+
+/* Catch all function for miscellaneous operations. */
+gcry_error_t gcry_pk_ctl (int cmd, void *buffer, size_t buflen);
+
+/* Retrieve information about the public key algorithm ALGO. */
+gcry_error_t gcry_pk_algo_info (int algo, int what,
+ void *buffer, size_t *nbytes);
+
+/* Map the public key algorithm id ALGO to a string representation of the
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_pk_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm NAME to a public key algorithm Id. Return 0 if
+ the algorithm name is not known. */
+int gcry_pk_map_name (const char* name) _GCRY_GCC_ATTR_PURE;
+
+/* Return what is commonly referred as the key length for the given
+ public or private KEY. */
+unsigned int gcry_pk_get_nbits (gcry_sexp_t key) _GCRY_GCC_ATTR_PURE;
+
+/* Please note that keygrip is still experimental and should not be
+ used without contacting the author. */
+unsigned char *gcry_pk_get_keygrip (gcry_sexp_t key, unsigned char *array);
+
+/* Return 0 if the public key algorithm A is available for use. */
+#define gcry_pk_test_algo(a) \
+ gcry_pk_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Get a list consisting of the IDs of the loaded pubkey modules. If
+ LIST is zero, write the number of loaded pubkey modules to
+ LIST_LENGTH and return. If LIST is non-zero, the first
+ *LIST_LENGTH algorithm IDs are stored in LIST, which must be of
+ according size. In case there are less pubkey modules than
+ *LIST_LENGTH, *LIST_LENGTH is updated to the correct number. */
+gcry_error_t gcry_pk_list (int *list, int *list_length);
+
+/* Alternative interface for asymetric cryptography. */
+
+/* The algorithm IDs. */
+typedef enum gcry_ac_id
+ {
+ GCRY_AC_RSA = 1,
+ GCRY_AC_DSA = 17,
+ GCRY_AC_ELG = 20,
+ GCRY_AC_ELG_E = 16,
+ }
+gcry_ac_id_t;
+
+/* Key types. */
+typedef enum gcry_ac_key_type
+ {
+ GCRY_AC_KEY_SECRET,
+ GCRY_AC_KEY_PUBLIC,
+ }
+gcry_ac_key_type_t;
+
+/* AC data. */
+#define GCRY_AC_FLAG_DEALLOC (1 << 0)
+#define GCRY_AC_FLAG_COPY (1 << 1)
+#define GCRY_AC_FLAG_NO_BLINDING (1 << 2)
+
+/* This type represents a `data set'. */
+typedef struct gcry_ac_data *gcry_ac_data_t;
+
+/* This type represents a single `key', either a secret one or a
+ public one. */
+typedef struct gcry_ac_key *gcry_ac_key_t;
+
+/* This type represents a `key pair' containing a secret and a public
+ key. */
+typedef struct gcry_ac_key_pair *gcry_ac_key_pair_t;
+
+/* This type represents a `handle' that is needed by functions
+ performing cryptographic operations. */
+typedef struct gcry_ac_handle *gcry_ac_handle_t;
+
+/* The caller of gcry_ac_key_pair_generate can provide one of these
+ structures in order to influence the key generation process in an
+ algorithm-specific way. */
+typedef struct gcry_ac_key_spec_rsa
+{
+ gcry_mpi_t e; /* E to use. */
+} gcry_ac_key_spec_rsa_t;
+
+/* Returns a new, empty data set in DATA. */
+gcry_error_t gcry_ac_data_new (gcry_ac_data_t *data);
+
+/* Destroy the data set DATA. */
+void gcry_ac_data_destroy (gcry_ac_data_t data);
+
+/* Create a copy of the data set DATA and store it in DATA_CP. */
+gcry_error_t gcry_ac_data_copy (gcry_ac_data_t *data_cp,
+ gcry_ac_data_t data);
+
+/* Return the number of named MPI values inside of the data set
+ DATA. */
+unsigned int gcry_ac_data_length (gcry_ac_data_t data);
+
+/* Destroy any values contained in the data set DATA. */
+void gcry_ac_data_clear (gcry_ac_data_t data);
+
+/* Add the value MPI to DATA with the label NAME. If FLAGS contains
+ GCRY_AC_FLAG_DATA_COPY, the data set will contain copies of NAME
+ and MPI. If FLAGS contains GCRY_AC_FLAG_DATA_DEALLOC or
+ GCRY_AC_FLAG_DATA_COPY, the values contained in the data set will
+ be deallocated when they are to be removed from the data set. */
+gcry_error_t gcry_ac_data_set (gcry_ac_data_t data, unsigned int flags,
+ const char *name, gcry_mpi_t mpi);
+
+/* Store the value labelled with NAME found in DATA in MPI. If FLAGS
+ contains GCRY_AC_FLAG_COPY, store a copy of the MPI value contained
+ in the data set. MPI may be NULL. */
+gcry_error_t gcry_ac_data_get_name (gcry_ac_data_t data, unsigned int flags,
+ const char *name, gcry_mpi_t *mpi);
+
+/* Stores in NAME and MPI the named MPI value contained in the data
+ set DATA with the index IDX. If FLAGS contains GCRY_AC_FLAG_COPY,
+ store copies of the values contained in the data set. NAME or MPI
+ may be NULL. */
+gcry_error_t gcry_ac_data_get_index (gcry_ac_data_t data, unsigned int flags,
+ unsigned int idx,
+ const char **name, gcry_mpi_t *mpi);
+
+/* Create a new ac handle. */
+gcry_error_t gcry_ac_open (gcry_ac_handle_t *handle,
+ gcry_ac_id_t algorithm, unsigned int flags);
+
+/* Destroy an ac handle. */
+void gcry_ac_close (gcry_ac_handle_t handle);
+
+/* Initialize a key from a given data set. */
+gcry_error_t gcry_ac_key_init (gcry_ac_key_t *key, gcry_ac_handle_t handle,
+ gcry_ac_key_type_t type, gcry_ac_data_t data);
+
+/* Generates a new key pair via the handle HANDLE of NBITS bits and
+ stores it in KEY_PAIR. In case non-standard settings are wanted, a
+ pointer to a structure of type gcry_ac_key_spec_<algorithm>_t,
+ matching the selected algorithm, can be given as KEY_SPEC.
+ MISC_DATA is not used yet. */
+gcry_error_t gcry_ac_key_pair_generate (gcry_ac_handle_t handle,
+ unsigned int nbits, void *spec,
+ gcry_ac_key_pair_t *key_pair,
+ gcry_mpi_t **misc_data);
+
+/* Returns the key of type WHICH out of the key pair KEY_PAIR. */
+gcry_ac_key_t gcry_ac_key_pair_extract (gcry_ac_key_pair_t key_pair,
+ gcry_ac_key_type_t which);
+
+/* Returns the data set contained in the key KEY. */
+gcry_ac_data_t gcry_ac_key_data_get (gcry_ac_key_t key);
+
+/* Verifies that the key KEY is sane via HANDLE. */
+gcry_error_t gcry_ac_key_test (gcry_ac_handle_t handle, gcry_ac_key_t key);
+
+/* Stores the number of bits of the key KEY in NBITS via HANDLE. */
+gcry_error_t gcry_ac_key_get_nbits (gcry_ac_handle_t handle,
+ gcry_ac_key_t key, unsigned int *nbits);
+
+/* Writes the 20 byte long key grip of the key KEY to KEY_GRIP via
+ HANDLE. */
+gcry_error_t gcry_ac_key_get_grip (gcry_ac_handle_t handle, gcry_ac_key_t key,
+ unsigned char *key_grip);
+
+/* Destroy a key. */
+void gcry_ac_key_destroy (gcry_ac_key_t key);
+
+/* Destroy a key pair. */
+void gcry_ac_key_pair_destroy (gcry_ac_key_pair_t key_pair);
+
+/* Encrypt the plain text MPI value DATA_PLAIN with the key KEY under
+ the control of the flags FLAGS and store the resulting data set
+ into DATA_ENCRYPTED. */
+gcry_error_t gcry_ac_data_encrypt (gcry_ac_handle_t handle,
+ unsigned int flags,
+ gcry_ac_key_t key,
+ gcry_mpi_t data_plain,
+ gcry_ac_data_t *data_encrypted);
+
+/* Decrypt the decrypted data contained in the data set DATA_ENCRYPTED
+ with the key KEY under the control of the flags FLAGS and store the
+ resulting plain text MPI value in DATA_PLAIN. */
+gcry_error_t gcry_ac_data_decrypt (gcry_ac_handle_t handle,
+ unsigned int flags,
+ gcry_ac_key_t key,
+ gcry_mpi_t *data_plain,
+ gcry_ac_data_t data_encrypted);
+
+/* Sign the data contained in DATA with the key KEY and store the
+ resulting signature in the data set DATA_SIGNATURE. */
+gcry_error_t gcry_ac_data_sign (gcry_ac_handle_t handle,
+ gcry_ac_key_t key,
+ gcry_mpi_t data,
+ gcry_ac_data_t *data_signature);
+
+/* Verify that the signature contained in the data set DATA_SIGNATURE
+ is indeed the result of signing the data contained in DATA with the
+ secret key belonging to the public key KEY. */
+gcry_error_t gcry_ac_data_verify (gcry_ac_handle_t handle,
+ gcry_ac_key_t key,
+ gcry_mpi_t data,
+ gcry_ac_data_t data_signature);
+
+/* Store the textual representation of the algorithm whose id is given
+ in ALGORITHM in NAME. */
+gcry_error_t gcry_ac_id_to_name (gcry_ac_id_t algorithm,
+ const char **name);
+
+/* Store the numeric ID of the algorithm whose textual representation
+ is contained in NAME in ALGORITHM. */
+gcry_error_t gcry_ac_name_to_id (const char *name,
+ gcry_ac_id_t *algorithm);
+
+
+
+/************************************
+ * *
+ * cryptograhic hash functions *
+ * *
+ ************************************/
+
+/* Algorithm IDs for the hash functions we know about. Not all of them
+ are implemnted. */
+enum gcry_md_algos
+ {
+ GCRY_MD_NONE = 0,
+ GCRY_MD_MD5 = 1,
+ GCRY_MD_SHA1 = 2,
+ GCRY_MD_RMD160 = 3,
+ GCRY_MD_MD2 = 5,
+ GCRY_MD_TIGER = 6, /* TIGER/192. */
+ GCRY_MD_HAVAL = 7, /* HAVAL, 5 pass, 160 bit. */
+ GCRY_MD_SHA256 = 8,
+ GCRY_MD_SHA384 = 9,
+ GCRY_MD_SHA512 = 10,
+ GCRY_MD_MD4 = 301,
+ GCRY_MD_CRC32 = 302,
+ GCRY_MD_CRC32_RFC1510 = 303,
+ GCRY_MD_CRC24_RFC2440 = 304
+ };
+
+/* Flags used with the open function. */
+enum gcry_md_flags
+ {
+ GCRY_MD_FLAG_SECURE = 1, /* Allocate all buffers in "secure"
+ memory. */
+ GCRY_MD_FLAG_HMAC = 2 /* Make an HMAC out of this
+ algorithm. */
+ };
+
+/* Forward declaration. */
+struct gcry_md_context;
+
+/* This object is used to hold a handle to a message digest object.
+ This structure is private - only to be used by the public gcry_md_*
+ macros. */
+typedef struct gcry_md_handle
+{
+ /* Actual context. */
+ struct gcry_md_context *ctx;
+
+ /* Buffer management. */
+ int bufpos;
+ int bufsize;
+ unsigned char buf[1];
+} *gcry_md_hd_t;
+
+/* Compatibility types, do not use them. */
+typedef struct gcry_md_handle *GCRY_MD_HD _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_md_handle *GcryMDHd _GCRY_GCC_ATTR_DEPRECATED;
+
+/* Create a message digest object for algorithm ALGO. FLAGS may be
+ given as an bitwise OR of the gcry_md_flags values. ALGO may be
+ given as 0 if the algorithms to be used are later set using
+ gcry_md_enable. */
+gcry_error_t gcry_md_open (gcry_md_hd_t *h, int algo, unsigned int flags);
+
+/* Release the message digest object HD. */
+void gcry_md_close (gcry_md_hd_t hd);
+
+/* Add the message digest algorithm ALGO to the digest object HD. */
+gcry_error_t gcry_md_enable (gcry_md_hd_t hd, int algo);
+
+/* Create a new digest object as an exact copy of the object HD. */
+gcry_error_t gcry_md_copy (gcry_md_hd_t *bhd, gcry_md_hd_t ahd);
+
+/* Reset the digest object HD to its initial state. */
+void gcry_md_reset (gcry_md_hd_t hd);
+
+/* Perform various operations on the digets object HD. */
+gcry_error_t gcry_md_ctl (gcry_md_hd_t hd, int cmd, unsigned char *buffer,
+ size_t buflen);
+
+/* Pass LENGTH bytes of data in BUFFER to the digest object HD so that
+ it can update the digest values. This is the actual hash
+ function. */
+void gcry_md_write (gcry_md_hd_t hd, const void *buffer, size_t length);
+
+/* Read out the final digest from HD return the digest value for
+ algorithm ALGO. */
+unsigned char *gcry_md_read (gcry_md_hd_t hd, int algo);
+
+/* Convenience function to calculate the hash from the data in BUFFER
+ of size LENGTH using the algorithm ALGO avoiding the creating of a
+ hash object. The hash is returned in the caller provided buffer
+ DIGEST which must be large enough to hold the digest of the given
+ algorithm. */
+void gcry_md_hash_buffer (int algo, void *digest,
+ const void *buffer, size_t length);
+
+/* Retrieve the algorithm used with HD. This does not work reliable
+ if more than one algorithm is enabled in HD. */
+int gcry_md_get_algo (gcry_md_hd_t hd);
+
+/* Retrieve the length in bytes of the digest yielded by algorithm
+ ALGO. */
+unsigned int gcry_md_get_algo_dlen (int algo);
+
+/* Return true if the the algorithm ALGO is enabled in the digest
+ object A. */
+int gcry_md_is_enabled (gcry_md_hd_t a, int algo);
+
+/* Return true if the digest object A is allocated in "secure" memory. */
+int gcry_md_is_secure (gcry_md_hd_t a);
+
+/* Retrieve various information about the object H. */
+gcry_error_t gcry_md_info (gcry_md_hd_t h, int what, void *buffer,
+ size_t *nbytes);
+
+/* Retrieve various information about the algorithm ALGO. */
+gcry_error_t gcry_md_algo_info (int algo, int what, void *buffer,
+ size_t *nbytes);
+
+/* Map the digest algorithm id ALGO to a string representation of the
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_md_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm NAME to a digest algorithm Id. Return 0 if
+ the algorithm name is not known. */
+int gcry_md_map_name (const char* name) _GCRY_GCC_ATTR_PURE;
+
+/* For use with the HMAC feature, the set MAC key to the KEY of
+ KEYLEN. */
+gcry_error_t gcry_md_setkey (gcry_md_hd_t hd, const void *key, size_t keylen);
+
+/* Update the hash(s) of H with the character C. This is a buffered
+ version of the gcry_md_write function. */
+#define gcry_md_putc(h,c) \
+ do { \
+ gcry_md_hd_t h__ = (h); \
+ if( (h__)->bufpos == (h__)->bufsize ) \
+ gcry_md_write( (h__), NULL, 0 ); \
+ (h__)->buf[(h__)->bufpos++] = (c) & 0xff; \
+ } while(0)
+
+/* Finalize the digest calculation. This is not really needed because
+ gcry_md_read() does this implicitly. */
+#define gcry_md_final(a) \
+ gcry_md_ctl ((a), GCRYCTL_FINALIZE, NULL, 0)
+
+/* Return 0 if the algorithm A is available for use. */
+#define gcry_md_test_algo(a) \
+ gcry_md_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Return an DER encoded ASN.1 OID for the algorithm A in buffer B. N
+ must point to size_t variable with the available size of buffer B.
+ After return it will receive the actual size of the returned
+ OID. */
+#define gcry_md_get_asnoid(a,b,n) \
+ gcry_md_algo_info((a), GCRYCTL_GET_ASNOID, (b), (n))
+
+/* Enable debugging for digets object A; i.e. create files named
+ dbgmd-<n>.<string> while hashing. B is a string used as the suffix
+ for the filename. */
+#define gcry_md_start_debug(a,b) \
+ gcry_md_ctl( (a), GCRYCTL_START_DUMP, (b), 0 )
+
+/* Disable the debugging of A. */
+#define gcry_md_stop_debug(a,b) \
+ gcry_md_ctl( (a), GCRYCTL_STOP_DUMP, (b), 0 )
+
+/* Get a list consisting of the IDs of the loaded message digest
+ modules. If LIST is zero, write the number of loaded message
+ digest modules to LIST_LENGTH and return. If LIST is non-zero, the
+ first *LIST_LENGTH algorithm IDs are stored in LIST, which must be
+ of according size. In case there are less message digest modules
+ than *LIST_LENGTH, *LIST_LENGTH is updated to the correct
+ number. */
+gcry_error_t gcry_md_list (int *list, int *list_length);
+
+
+/************************************
+ * *
+ * random generating functions *
+ * *
+ ************************************/
+
+/* The possible values for the random quality. The rule of thumb is
+ to use STRONG for session keys and VERY_STRONG for key material.
+ WEAK is currently an alias for STRONG and should not be used
+ anymore - use gcry_create_nonce instead. */
+typedef enum gcry_random_level
+ {
+ GCRY_WEAK_RANDOM = 0,
+ GCRY_STRONG_RANDOM = 1,
+ GCRY_VERY_STRONG_RANDOM = 2
+ }
+gcry_random_level_t;
+
+/* Fill BUFFER with LENGTH bytes of random, using random numbers of
+ quality LEVEL. */
+void gcry_randomize (unsigned char *buffer, size_t length,
+ enum gcry_random_level level);
+
+/* Add the external random from BUFFER with LENGTH bytes into the
+ pool. QUALITY should either be -1 for unknown or in the range of 0
+ to 100 */
+gcry_error_t gcry_random_add_bytes (const void *buffer, size_t length,
+ int quality);
+
+/* Return NBYTES of allocated random using a random numbers of quality
+ LEVEL. */
+void *gcry_random_bytes (size_t nbytes, enum gcry_random_level level)
+ _GCRY_GCC_ATTR_MALLOC;
+
+/* Return NBYTES of allocated random using a random numbers of quality
+ LEVEL. The random numbers are created returned in "secure"
+ memory. */
+void *gcry_random_bytes_secure (size_t nbytes, enum gcry_random_level level)
+ _GCRY_GCC_ATTR_MALLOC;
+
+
+/* Set the big integer W to a random value of NBITS using a random
+ generator with quality LEVEL. */
+void gcry_mpi_randomize (gcry_mpi_t w,
+ unsigned int nbits, enum gcry_random_level level);
+
+
+/* Create an unpredicable nonce of LENGTH bytes in BUFFER. */
+void gcry_create_nonce (unsigned char *buffer, size_t length);
+
+
+
+/* Prime interface. */
+
+/* Mode values passed to a gcry_prime_check_func_t. */
+#define GCRY_PRIME_CHECK_AT_FINISH 0
+#define GCRY_PRIME_CHECK_AT_GOT_PRIME 1
+#define GCRY_PRIME_CHECK_AT_MAYBE_PRIME 2
+
+/* The function should return 1 if the operation shall continue, 0 to
+ reject the prime candidate. */
+typedef int (*gcry_prime_check_func_t) (void *arg, int mode,
+ gcry_mpi_t candidate);
+
+/* Flags for gcry_prime_generate(): */
+
+/* Allocate prime numbers and factors in secure memory. */
+#define GCRY_PRIME_FLAG_SECRET (1 << 0)
+
+/* Make sure that at least one prime factor is of size
+ `FACTOR_BITS'. */
+#define GCRY_PRIME_FLAG_SPECIAL_FACTOR (1 << 1)
+
+/* Generate a new prime number of PRIME_BITS bits and store it in
+ PRIME. If FACTOR_BITS is non-zero, one of the prime factors of
+ (prime - 1) / 2 must be FACTOR_BITS bits long. If FACTORS is
+ non-zero, allocate a new, NULL-terminated array holding the prime
+ factors and store it in FACTORS. FLAGS might be used to influence
+ the prime number generation process. */
+gcry_error_t gcry_prime_generate (gcry_mpi_t *prime,
+ unsigned int prime_bits,
+ unsigned int factor_bits,
+ gcry_mpi_t **factors,
+ gcry_prime_check_func_t cb_func,
+ void *cb_arg,
+ gcry_random_level_t random_level,
+ unsigned int flags);
+
+/* Find a generator for PRIME where the factorization of (prime-1) is
+ in the NULL terminated array FACTORS. Return the generator as a
+ newly allocated MPI in R_G. If START_G is not NULL, use this as
+ teh start for the search. */
+gcry_error_t gcry_prime_group_generator (gcry_mpi_t *r_g,
+ gcry_mpi_t prime, gcry_mpi_t *factors,
+ gcry_mpi_t start_g);
+
+
+/* Convenience function to release the FACTORS array. */
+void gcry_prime_release_factors (gcry_mpi_t *factors);
+
+
+/* Check wether the number X is prime. */
+gcry_error_t gcry_prime_check (gcry_mpi_t x, unsigned int flags);
+
+
+
+/************************************
+ * *
+ * miscellaneous stuff *
+ * *
+ ************************************/
+
+/* Log levels used by the internal logging facility. */
+enum gcry_log_levels
+ {
+ GCRY_LOG_CONT = 0, /* continue the last log line */
+ GCRY_LOG_INFO = 10,
+ GCRY_LOG_WARN = 20,
+ GCRY_LOG_ERROR = 30,
+ GCRY_LOG_FATAL = 40,
+ GCRY_LOG_BUG = 50,
+ GCRY_LOG_DEBUG = 100
+ };
+
+/* Type for progress handlers. */
+typedef void (*gcry_handler_progress_t) (void *, const char *, int, int, int);
+
+/* Type for memory allocation handlers. */
+typedef void *(*gcry_handler_alloc_t) (size_t n);
+
+/* Type for secure memory check handlers. */
+typedef int (*gcry_handler_secure_check_t) (const void *);
+
+/* Type for memory reallocation handlers. */
+typedef void *(*gcry_handler_realloc_t) (void *p, size_t n);
+
+/* Type for memory free handlers. */
+typedef void (*gcry_handler_free_t) (void *);
+
+/* Type for out-of-memory handlers. */
+typedef int (*gcry_handler_no_mem_t) (void *, size_t, unsigned int);
+
+/* Type for fatal error handlers. */
+typedef void (*gcry_handler_error_t) (void *, int, const char *);
+
+/* Type for logging handlers. */
+typedef void (*gcry_handler_log_t) (void *, int, const char *, va_list);
+
+/* Certain operations can provide progress information. This function
+ is used to register a handler for retrieving these information. */
+void gcry_set_progress_handler (gcry_handler_progress_t cb, void *cb_data);
+
+
+/* Register a custom memory allocation functions. */
+void gcry_set_allocation_handler (
+ gcry_handler_alloc_t func_alloc,
+ gcry_handler_alloc_t func_alloc_secure,
+ gcry_handler_secure_check_t func_secure_check,
+ gcry_handler_realloc_t func_realloc,
+ gcry_handler_free_t func_free);
+
+/* Register a function used instead of the internal out of memory
+ handler. */
+void gcry_set_outofcore_handler (gcry_handler_no_mem_t h, void *opaque);
+
+/* Register a function used instead of the internal fatal error
+ handler. */
+void gcry_set_fatalerror_handler (gcry_handler_error_t fnc, void *opaque);
+
+/* Register a function used instead of the internal logging
+ facility. */
+void gcry_set_log_handler (gcry_handler_log_t f, void *opaque);
+
+/* Reserved for future use. */
+void gcry_set_gettext_handler (const char *(*f)(const char*));
+
+/* Libgcrypt uses its own memory allocation. It is important to use
+ gcry_free () to release memory allocated by libgcrypt. */
+void *gcry_malloc (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_calloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_malloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_calloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_realloc (void *a, size_t n);
+char *gcry_strdup (const char *string) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xmalloc (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xcalloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xmalloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xcalloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xrealloc (void *a, size_t n);
+char *gcry_xstrdup (const char * a) _GCRY_GCC_ATTR_MALLOC;
+void gcry_free (void *a);
+
+/* Return true if A is allocated in "secure" memory. */
+int gcry_is_secure (const void *a) _GCRY_GCC_ATTR_PURE;
+
+/* Include support for Libgcrypt modules. */
+#include <gcrypt-module.h>
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif /* _GCRYPT_H */
diff --git a/pwmanager/libcrypt/crypt/global.c b/pwmanager/libcrypt/crypt/global.c
new file mode 100644
index 0000000..9e7165b
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/global.c
@@ -0,0 +1,672 @@
+/* global.c - global control functions
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+ * 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <assert.h>
+#include <limits.h>
+#include <errno.h>
+
+#include "g10lib.h"
+#include "cipher.h"
+#include "stdmem.h" /* our own memory allocator */
+#include "secmem.h" /* our own secmem allocator */
+#include "ath.h"
+
+/****************
+ * flag bits: 0 : general cipher debug
+ * 1 : general MPI debug
+ */
+static unsigned int debug_flags;
+
+static gcry_handler_alloc_t alloc_func;
+static gcry_handler_alloc_t alloc_secure_func;
+static gcry_handler_secure_check_t is_secure_func;
+static gcry_handler_realloc_t realloc_func;
+static gcry_handler_free_t free_func;
+static gcry_handler_no_mem_t outofcore_handler;
+
+static void *outofcore_handler_value = NULL;
+static int no_secure_memory = 0;
+static int any_init_done;
+
+/* This is our handmade constructor. It gets called by any function
+ likely to be called at startup. The suggested way for an
+ application to make sure that this has been called is by using
+ gcry_check_version. */
+static void
+global_init (void)
+{
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+
+ if (any_init_done)
+ return;
+ any_init_done = 1;
+
+ err = ath_init ();
+ if (! err)
+ _gcry_cipher_init ();
+ if (! err)
+ _gcry_md_init ();
+ if (! err)
+ _gcry_pk_init ();
+
+ if (err)
+ /* FIXME? */
+ BUG ();
+}
+
+
+static const char*
+parse_version_number( const char *s, int *number )
+{
+ int val = 0;
+
+ if( *s == '0' && isdigit(s[1]) )
+ return NULL; /* leading zeros are not allowed */
+ for ( ; isdigit(*s); s++ ) {
+ val *= 10;
+ val += *s - '0';
+ }
+ *number = val;
+ return val < 0? NULL : s;
+}
+
+
+static const char *
+parse_version_string( const char *s, int *major, int *minor, int *micro )
+{
+ s = parse_version_number( s, major );
+ if( !s || *s != '.' )
+ return NULL;
+ s++;
+ s = parse_version_number( s, minor );
+ if( !s || *s != '.' )
+ return NULL;
+ s++;
+ s = parse_version_number( s, micro );
+ if( !s )
+ return NULL;
+ return s; /* patchlevel */
+}
+
+/****************
+ * Check that the the version of the library is at minimum the requested one
+ * and return the version string; return NULL if the condition is not
+ * satisfied. If a NULL is passed to this function, no check is done,
+ * but the version string is simply returned.
+ */
+const char *
+gcry_check_version( const char *req_version )
+{
+ const char *ver = VERSION;
+ int my_major, my_minor, my_micro;
+ int rq_major, rq_minor, rq_micro;
+ const char *my_plvl, *rq_plvl;
+
+ global_init ();
+ if ( !req_version )
+ return ver;
+
+ my_plvl = parse_version_string( ver, &my_major, &my_minor, &my_micro );
+ if ( !my_plvl )
+ return NULL; /* very strange our own version is bogus */
+ rq_plvl = parse_version_string( req_version, &rq_major, &rq_minor,
+ &rq_micro );
+ if ( !rq_plvl )
+ return NULL; /* req version string is invalid */
+
+ if ( my_major > rq_major
+ || (my_major == rq_major && my_minor > rq_minor)
+ || (my_major == rq_major && my_minor == rq_minor
+ && my_micro > rq_micro)
+ || (my_major == rq_major && my_minor == rq_minor
+ && my_micro == rq_micro
+ && strcmp( my_plvl, rq_plvl ) >= 0) ) {
+ return ver;
+ }
+ return NULL;
+}
+
+gcry_error_t
+gcry_control (enum gcry_ctl_cmds cmd, ...)
+{
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+ static int init_finished = 0;
+ va_list arg_ptr;
+
+ va_start (arg_ptr, cmd);
+ switch (cmd)
+ {
+ case GCRYCTL_ENABLE_M_GUARD:
+ _gcry_private_enable_m_guard ();
+ break;
+
+ case GCRYCTL_ENABLE_QUICK_RANDOM:
+ _gcry_quick_random_gen (1);
+ break;
+
+ case GCRYCTL_DUMP_RANDOM_STATS:
+ _gcry_random_dump_stats ();
+ break;
+
+ case GCRYCTL_DUMP_MEMORY_STATS:
+ /*m_print_stats("[fixme: prefix]");*/
+ break;
+
+ case GCRYCTL_DUMP_SECMEM_STATS:
+ _gcry_secmem_dump_stats ();
+ break;
+
+ case GCRYCTL_DROP_PRIVS:
+ global_init ();
+ _gcry_secmem_init (0);
+ break;
+
+ case GCRYCTL_DISABLE_SECMEM:
+ global_init ();
+ no_secure_memory = 1;
+ break;
+
+ case GCRYCTL_INIT_SECMEM:
+ global_init ();
+ _gcry_secmem_init (va_arg (arg_ptr, unsigned int));
+ break;
+
+ case GCRYCTL_TERM_SECMEM:
+ global_init ();
+ _gcry_secmem_term ();
+ break;
+
+ case GCRYCTL_DISABLE_SECMEM_WARN:
+ _gcry_secmem_set_flags ((_gcry_secmem_get_flags ()
+ | GCRY_SECMEM_FLAG_NO_WARNING));
+ break;
+
+ case GCRYCTL_SUSPEND_SECMEM_WARN:
+ _gcry_secmem_set_flags ((_gcry_secmem_get_flags ()
+ | GCRY_SECMEM_FLAG_SUSPEND_WARNING));
+ break;
+
+ case GCRYCTL_RESUME_SECMEM_WARN:
+ _gcry_secmem_set_flags ((_gcry_secmem_get_flags ()
+ & ~GCRY_SECMEM_FLAG_SUSPEND_WARNING));
+ break;
+
+ case GCRYCTL_USE_SECURE_RNDPOOL:
+ global_init ();
+ _gcry_secure_random_alloc (); /* put random number into secure memory */
+ break;
+
+ case GCRYCTL_SET_RANDOM_SEED_FILE:
+ _gcry_set_random_seed_file (va_arg (arg_ptr, const char *));
+ break;
+
+ case GCRYCTL_UPDATE_RANDOM_SEED_FILE:
+ _gcry_update_random_seed_file ();
+ break;
+
+ case GCRYCTL_SET_VERBOSITY:
+ _gcry_set_log_verbosity (va_arg (arg_ptr, int));
+ break;
+
+ case GCRYCTL_SET_DEBUG_FLAGS:
+ debug_flags |= va_arg (arg_ptr, unsigned int);
+ break;
+
+ case GCRYCTL_CLEAR_DEBUG_FLAGS:
+ debug_flags &= ~va_arg (arg_ptr, unsigned int);
+ break;
+
+ case GCRYCTL_DISABLE_INTERNAL_LOCKING:
+ global_init ();
+ break;
+
+ case GCRYCTL_ANY_INITIALIZATION_P:
+ if (any_init_done)
+ err = GPG_ERR_GENERAL;
+ break;
+
+ case GCRYCTL_INITIALIZATION_FINISHED_P:
+ if (init_finished)
+ err = GPG_ERR_GENERAL;
+ break;
+
+ case GCRYCTL_INITIALIZATION_FINISHED:
+ /* This is a hook which should be used by an application after
+ all initialization has been done and right before any threads
+ are started. It is not really needed but the only way to be
+ really sure that all initialization for thread-safety has
+ been done. */
+ if (! init_finished)
+ {
+ global_init ();
+ _gcry_random_initialize ();
+ init_finished = 1;
+ }
+ break;
+
+ case GCRYCTL_SET_THREAD_CBS:
+ err = ath_install (va_arg (arg_ptr, void *), any_init_done);
+ break;
+
+ default:
+ err = GPG_ERR_INV_OP;
+ }
+
+ va_end(arg_ptr);
+ return gcry_error (err);
+}
+
+/* Return a pointer to a string containing a description of the error
+ code in the error value ERR. */
+const char *
+gcry_strerror (gcry_error_t err)
+{
+ return gpg_strerror (err);
+}
+
+/* Return a pointer to a string containing a description of the error
+ source in the error value ERR. */
+const char *
+gcry_strsource (gcry_error_t err)
+{
+ return gpg_strsource (err);
+}
+
+/* Retrieve the error code for the system error ERR. This returns
+ GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
+ this). */
+gcry_err_code_t
+gcry_err_code_from_errno (int err)
+{
+ return gpg_err_code_from_errno (err);
+}
+
+
+/* Retrieve the system error for the error code CODE. This returns 0
+ if CODE is not a system error code. */
+int
+gcry_err_code_to_errno (gcry_err_code_t code)
+{
+ return gpg_err_code_from_errno (code);
+}
+
+
+/* Return an error value with the error source SOURCE and the system
+ error ERR. */
+gcry_error_t
+gcry_err_make_from_errno (gpg_err_source_t source, int err)
+{
+ return gpg_err_make_from_errno (source, err);
+}
+
+
+/* Return an error value with the system error ERR. */
+gcry_err_code_t
+gcry_error_from_errno (int err)
+{
+ return gcry_error (gpg_err_code_from_errno (err));
+}
+
+/****************
+ * NOTE: All 5 functions should be set. */
+void
+gcry_set_allocation_handler (gcry_handler_alloc_t new_alloc_func,
+ gcry_handler_alloc_t new_alloc_secure_func,
+ gcry_handler_secure_check_t new_is_secure_func,
+ gcry_handler_realloc_t new_realloc_func,
+ gcry_handler_free_t new_free_func)
+{
+ global_init ();
+
+ alloc_func = new_alloc_func;
+ alloc_secure_func = new_alloc_secure_func;
+ is_secure_func = new_is_secure_func;
+ realloc_func = new_realloc_func;
+ free_func = new_free_func;
+}
+
+
+
+/****************
+ * Set an optional handler which is called in case the xmalloc functions
+ * ran out of memory. This handler may do one of these things:
+ * o free some memory and return true, so that the xmalloc function
+ * tries again.
+ * o Do whatever it like and return false, so that the xmalloc functions
+ * use the default fatal error handler.
+ * o Terminate the program and don't return.
+ *
+ * The handler function is called with 3 arguments: The opaque value set with
+ * this function, the requested memory size, and a flag with these bits
+ * currently defined:
+ * bit 0 set = secure memory has been requested.
+ */
+void
+gcry_set_outofcore_handler( int (*f)( void*, size_t, unsigned int ),
+ void *value )
+{
+ global_init ();
+
+ outofcore_handler = f;
+ outofcore_handler_value = value;
+}
+
+gcry_err_code_t
+_gcry_malloc (size_t n, unsigned int flags, void **mem)
+{
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+ void *m = NULL;
+
+ if ((flags & GCRY_ALLOC_FLAG_SECURE) && !no_secure_memory)
+ {
+ if (alloc_secure_func)
+ m = (*alloc_secure_func) (n);
+ else
+ m = _gcry_private_malloc_secure (n);
+ }
+ else
+ {
+ if (alloc_func)
+ m = (*alloc_func) (n);
+ else
+ m = _gcry_private_malloc (n);
+ }
+
+ if (! m)
+ err = gpg_err_code_from_errno (ENOMEM);
+ else
+ *mem = m;
+
+ return err;
+}
+
+void *
+gcry_malloc (size_t n)
+{
+ void *mem = NULL;
+
+ _gcry_malloc (n, 0, &mem);
+
+ return mem;
+}
+
+void *
+gcry_malloc_secure (size_t n)
+{
+ void *mem = NULL;
+
+ _gcry_malloc (n, GCRY_ALLOC_FLAG_SECURE, &mem);
+
+ return mem;
+}
+
+int
+gcry_is_secure (const void *a)
+{
+ if (no_secure_memory)
+ return 0;
+ if (is_secure_func)
+ return is_secure_func (a) ;
+ return _gcry_private_is_secure (a);
+}
+
+void
+_gcry_check_heap( const void *a )
+{
+ /* FIXME: implement this*/
+#if 0
+ if( some_handler )
+ some_handler(a)
+ else
+ _gcry_private_check_heap(a)
+#endif
+}
+
+void *
+gcry_realloc (void *a, size_t n)
+{
+ if (realloc_func)
+ return realloc_func (a, n);
+ return _gcry_private_realloc (a, n);
+}
+
+void
+gcry_free( void *p )
+{
+ if( !p )
+ return;
+
+ if (free_func)
+ free_func (p);
+ else
+ _gcry_private_free (p);
+}
+
+void *
+gcry_calloc (size_t n, size_t m)
+{
+ size_t bytes;
+ void *p;
+
+ bytes = n * m; /* size_t is unsigned so the behavior on overflow is
+ defined. */
+ if (m && bytes / m != n)
+ {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ p = gcry_malloc (bytes);
+ if (p)
+ memset (p, 0, bytes);
+ return p;
+}
+
+void *
+gcry_calloc_secure (size_t n, size_t m)
+{
+ size_t bytes;
+ void *p;
+
+ bytes = n * m; /* size_t is unsigned so the behavior on overflow is
+ defined. */
+ if (m && bytes / m != n)
+ {
+ errno = ENOMEM;
+ return NULL;
+ }
+
+ p = gcry_malloc_secure (bytes);
+ if (p)
+ memset (p, 0, bytes);
+ return p;
+}
+
+
+/* Create and return a copy of the null-terminated string STRING. If
+ it is contained in secure memory, the copy will be contained in
+ secure memory as well. In an out-of-memory condition, NULL is
+ returned. */
+char *
+gcry_strdup (const char *string)
+{
+ char *string_cp = NULL;
+ size_t string_n = 0;
+
+ string_n = strlen (string);
+
+ if (gcry_is_secure (string))
+ string_cp = gcry_malloc_secure (string_n + 1);
+ else
+ string_cp = gcry_malloc (string_n + 1);
+
+ if (string_cp)
+ strcpy (string_cp, string);
+
+ return string_cp;
+}
+
+
+void *
+gcry_xmalloc( size_t n )
+{
+ void *p;
+
+ while ( !(p = gcry_malloc( n )) ) {
+ if( !outofcore_handler
+ || !outofcore_handler( outofcore_handler_value, n, 0 ) ) {
+ _gcry_fatal_error(gpg_err_code_from_errno (errno), NULL );
+ }
+ }
+ return p;
+}
+
+void *
+gcry_xrealloc( void *a, size_t n )
+{
+ void *p;
+
+ while ( !(p = gcry_realloc( a, n )) ) {
+ if( !outofcore_handler
+ || !outofcore_handler( outofcore_handler_value, n, 2 ) ) {
+ _gcry_fatal_error(gpg_err_code_from_errno (errno), NULL );
+ }
+ }
+ return p;
+}
+
+void *
+gcry_xmalloc_secure( size_t n )
+{
+ void *p;
+
+ while ( !(p = gcry_malloc_secure( n )) ) {
+ if( !outofcore_handler
+ || !outofcore_handler( outofcore_handler_value, n, 1 ) ) {
+ _gcry_fatal_error(gpg_err_code_from_errno (errno),
+ _("out of core in secure memory"));
+ }
+ }
+ return p;
+}
+
+void *
+gcry_xcalloc( size_t n, size_t m )
+{
+ void *p = gcry_xmalloc( n*m );
+ memset( p, 0, n*m );
+ return p;
+}
+
+void *
+gcry_xcalloc_secure( size_t n, size_t m )
+{
+ void *p = gcry_xmalloc_secure( n* m );
+ memset( p, 0, n*m );
+ return p;
+}
+
+char *
+gcry_xstrdup (const char *string)
+{
+ char *p;
+
+ while ( !(p = gcry_strdup (string)) )
+ {
+ size_t n = strlen (string);
+ int is_sec = !!gcry_is_secure (string);
+
+ if (!outofcore_handler
+ || !outofcore_handler (outofcore_handler_value, n, is_sec) )
+ {
+ _gcry_fatal_error (gpg_err_code_from_errno (errno),
+ is_sec? _("out of core in secure memory"):NULL);
+ }
+ }
+
+ strcpy( p, string );
+ return p;
+}
+
+
+int
+_gcry_get_debug_flag( unsigned int mask )
+{
+ return debug_flags & mask;
+}
+
+
+
+/* It is often useful to get some feedback of long running operations.
+ This function may be used to register a handler for this.
+ The callback function CB is used as:
+
+ void cb (void *opaque, const char *what, int printchar,
+ int current, int total);
+
+ Where WHAT is a string identifying the the type of the progress
+ output, PRINTCHAR the character usually printed, CURRENT the amount
+ of progress currently done and TOTAL the expected amount of
+ progress. A value of 0 for TOTAL indicates that there is no
+ estimation available.
+
+ Defined values for WHAT:
+
+ "need_entropy" X 0 number-of-bytes-required
+ When running low on entropy
+ "primegen" '\n' 0 0
+ Prime generated
+ '!'
+ Need to refresh the prime pool
+ '<','>'
+ Number of bits adjusted
+ '^'
+ Looking for a generator
+ '.'
+ Fermat tests on 10 candidates failed
+ ':'
+ Restart with a new random value
+ '+'
+ Rabin Miller test passed
+ "pk_elg" '+','-','.','\n' 0 0
+ Only used in debugging mode.
+ "pk_dsa"
+ Only used in debugging mode.
+*/
+void
+gcry_set_progress_handler (void (*cb)(void *,const char*,int, int, int),
+ void *cb_data)
+{
+#if USE_DSA
+ _gcry_register_pk_dsa_progress (cb, cb_data);
+#endif
+#if USE_ELGAMAL
+ _gcry_register_pk_elg_progress (cb, cb_data);
+#endif
+ _gcry_register_primegen_progress (cb, cb_data);
+ _gcry_register_random_progress (cb, cb_data);
+}
diff --git a/pwmanager/libcrypt/crypt/misc.c b/pwmanager/libcrypt/crypt/misc.c
new file mode 100644
index 0000000..6b630e6
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/misc.c
@@ -0,0 +1,241 @@
+/* misc.c
+ * Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include "g10lib.h"
+
+static int verbosity_level = 0;
+
+static void (*fatal_error_handler)(void*,int, const char*) = NULL;
+static void *fatal_error_handler_value = 0;
+static void (*log_handler)(void*,int, const char*, va_list) = NULL;
+static void *log_handler_value = 0;
+
+static const char *(*user_gettext_handler)( const char * ) = NULL;
+
+void
+gcry_set_gettext_handler( const char *(*f)(const char*) )
+{
+ user_gettext_handler = f;
+}
+
+
+const char *
+_gcry_gettext( const char *key )
+{
+ if( user_gettext_handler )
+ return user_gettext_handler( key );
+ /* FIXME: switch the domain to gnupg and restore later */
+ return key;
+}
+
+void
+gcry_set_fatalerror_handler( void (*fnc)(void*,int, const char*), void *value)
+{
+ fatal_error_handler_value = value;
+ fatal_error_handler = fnc;
+}
+
+static void
+write2stderr( const char *s )
+{
+ write( 2, s, strlen(s) );
+}
+
+/*
+ * This function is called for fatal errors. A caller might want to
+ * set his own handler because this function simply calls abort().
+ */
+void
+_gcry_fatal_error (int rc, const char *text)
+{
+ if ( !text ) /* get a default text */
+ text = gpg_strerror (rc);
+
+ if (fatal_error_handler)
+ fatal_error_handler (fatal_error_handler_value, rc, text);
+
+ write2stderr("\nFatal error: ");
+ write2stderr(text);
+ write2stderr("\n");
+ abort ();
+}
+
+void
+gcry_set_log_handler( void (*f)(void*,int, const char*, va_list ),
+ void *opaque )
+{
+ log_handler = f;
+ log_handler_value = opaque;
+}
+
+void
+_gcry_set_log_verbosity( int level )
+{
+ verbosity_level = level;
+}
+
+int
+_gcry_log_verbosity( int level )
+{
+ return verbosity_level >= level;
+}
+
+/****************
+ * This is our log function which prints all log messages to stderr or
+ * using the function defined with gcry_set_log_handler().
+ */
+static void
+_gcry_logv( int level, const char *fmt, va_list arg_ptr )
+{
+ if( log_handler )
+ log_handler( log_handler_value, level, fmt, arg_ptr );
+ else {
+ switch ( level ) {
+ case GCRY_LOG_CONT: break;
+ case GCRY_LOG_INFO: break;
+ case GCRY_LOG_WARN: break;
+ case GCRY_LOG_ERROR: break;
+ case GCRY_LOG_FATAL: fputs("Fatal: ",stderr ); break;
+ case GCRY_LOG_BUG: fputs("Ohhhh jeeee: ", stderr); break;
+ case GCRY_LOG_DEBUG: fputs("DBG: ", stderr ); break;
+ default: fprintf(stderr,"[Unknown log level %d]: ", level ); break;
+ }
+ vfprintf(stderr,fmt,arg_ptr) ;
+ }
+
+ if( level == GCRY_LOG_FATAL )
+ exit(2);
+ else if( level == GCRY_LOG_BUG )
+ abort();
+}
+
+void
+_gcry_log( int level, const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( level, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
+void
+_gcry_bug( const char *file, int line, const char *func )
+{
+ _gcry_log( GCRY_LOG_BUG,
+ ("... this is a bug (%s:%d:%s)\n"), file, line, func );
+ abort(); /* never called, but it makes the compiler happy */
+}
+#else
+void
+_gcry_bug( const char *file, int line )
+{
+ _gcry_log( GCRY_LOG_BUG,
+ _("you found a bug ... (%s:%d)\n"), file, line);
+ abort(); /* never called, but it makes the compiler happy */
+}
+#endif
+
+void
+_gcry_log_info( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( GCRY_LOG_INFO, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+void
+_gcry_log_error( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( GCRY_LOG_ERROR, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+
+void
+_gcry_log_fatal( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( GCRY_LOG_FATAL, fmt, arg_ptr );
+ va_end(arg_ptr);
+ abort(); /* never called, but it makes the compiler happy */
+}
+
+void
+_gcry_log_bug( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( GCRY_LOG_BUG, fmt, arg_ptr );
+ va_end(arg_ptr);
+ abort(); /* never called, but it makes the compiler happy */
+}
+
+void
+_gcry_log_debug( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv( GCRY_LOG_DEBUG, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+void
+_gcry_log_printf (const char *fmt, ...)
+{
+ va_list arg_ptr;
+
+ if (fmt)
+ {
+ va_start( arg_ptr, fmt ) ;
+ _gcry_logv (GCRY_LOG_CONT, fmt, arg_ptr);
+ va_end(arg_ptr);
+ }
+}
+
+void
+_gcry_burn_stack (int bytes)
+{
+ char buf[64];
+
+ wipememory (buf, sizeof buf);
+ bytes -= sizeof buf;
+ if (bytes > 0)
+ _gcry_burn_stack (bytes);
+}
diff --git a/pwmanager/libcrypt/crypt/missing-string.c b/pwmanager/libcrypt/crypt/missing-string.c
new file mode 100644
index 0000000..80ff052
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/missing-string.c
@@ -0,0 +1,151 @@
+/* missing-string.c - missing string utilities
+ * Copyright (C) 1994, 1998, 1999, 2000, 2001,
+ * 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "g10lib.h"
+
+
+#ifndef HAVE_STPCPY
+char *
+stpcpy(char *a,const char *b)
+{
+ while( *b )
+ *a++ = *b++;
+ *a = 0;
+
+ return (char*)a;
+}
+#endif
+
+
+#ifndef HAVE_STRCASECMP
+int
+strcasecmp( const char *a, const char *b )
+{
+ for( ; *a && *b; a++, b++ ) {
+ if( *a != *b && toupper(*a) != toupper(*b) )
+ break;
+ }
+ return *(const byte*)a - *(const byte*)b;
+}
+#endif
+
+
+#ifdef __MINGW32__
+/*
+ * Like vsprintf but provides a pointer to malloc'd storage, which
+ * must be freed by the caller (gcry_free). Taken from libiberty as
+ * found in gcc-2.95.2 and a little bit modernized.
+ * FIXME: Write a new CRT for W32.
+ */
+int
+vasprintf ( char **result, const char *format, va_list args)
+{
+ const char *p = format;
+ /* Add one to make sure that it is never zero, which might cause malloc
+ to return NULL. */
+ int total_width = strlen (format) + 1;
+ va_list ap;
+
+ /* this is not really portable but works under Windows */
+ memcpy ( &ap, &args, sizeof (va_list));
+
+ while (*p != '\0')
+ {
+ if (*p++ == '%')
+ {
+ while (strchr ("-+ #0", *p))
+ ++p;
+ if (*p == '*')
+ {
+ ++p;
+ total_width += abs (va_arg (ap, int));
+ }
+ else
+ {
+ char *endp;
+ total_width += strtoul (p, &endp, 10);
+ p = endp;
+ }
+ if (*p == '.')
+ {
+ ++p;
+ if (*p == '*')
+ {
+ ++p;
+ total_width += abs (va_arg (ap, int));
+ }
+ else
+ {
+ char *endp;
+ total_width += strtoul (p, &endp, 10);
+ p = endp;
+ }
+ }
+ while (strchr ("hlL", *p))
+ ++p;
+ /* Should be big enough for any format specifier except %s
+ and floats. */
+ total_width += 30;
+ switch (*p)
+ {
+ case 'd':
+ case 'i':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
+ case 'c':
+ (void) va_arg (ap, int);
+ break;
+ case 'f':
+ case 'e':
+ case 'E':
+ case 'g':
+ case 'G':
+ (void) va_arg (ap, double);
+ /* Since an ieee double can have an exponent of 307, we'll
+ make the buffer wide enough to cover the gross case. */
+ total_width += 307;
+
+ case 's':
+ total_width += strlen (va_arg (ap, char *));
+ break;
+ case 'p':
+ case 'n':
+ (void) va_arg (ap, char *);
+ break;
+ }
+ }
+ }
+ *result = gcry_malloc (total_width);
+ if (*result != NULL)
+ return vsprintf (*result, format, args);
+ else
+ return 0;
+}
+
+#endif /*__MINGW32__*/
+
diff --git a/pwmanager/libcrypt/crypt/module.c b/pwmanager/libcrypt/crypt/module.c
new file mode 100644
index 0000000..e98c36e
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/module.c
@@ -0,0 +1,200 @@
+/* module.c - Module management for libgcrypt.
+ * Copyright (C) 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <assert.h>
+#include <config.h>
+#include <errno.h>
+#include "g10lib.h"
+
+#define MODULE_ID_MIN 600
+
+/* Internal function. Generate a new, unique module ID for a module
+ that should be inserted into the module chain starting at
+ MODULES. */
+static gcry_err_code_t
+_gcry_module_id_new (gcry_module_t modules, unsigned int *id_new)
+{
+ /* FIXME, what should be the ID of the first module registered by
+ the user? */
+ unsigned int id_min = MODULE_ID_MIN, id_max = (unsigned int) -1, mod_id;
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+ gcry_module_t module;
+
+ /* Search for unused ID. */
+ for (mod_id = id_min; mod_id < id_max; mod_id++)
+ {
+ /* Search for a module with the current ID. */
+ for (module = modules; module; module = module->next)
+ if (mod_id == module->mod_id)
+ break;
+
+ if (! module)
+ /* None found -> the ID is available for use. */
+ break;
+ }
+
+ if (mod_id < id_max)
+ /* Done. */
+ *id_new = mod_id;
+ else
+ /* No free ID found. */
+ err = GPG_ERR_INTERNAL;
+
+ return err;
+}
+
+/* Add a module specification to the list ENTRIES. The new module has
+ it's use-counter set to one. */
+gcry_err_code_t
+_gcry_module_add (gcry_module_t *entries, unsigned int mod_id,
+ void *spec, gcry_module_t *module)
+{
+ gcry_err_code_t err = 0;
+ gcry_module_t entry;
+
+ if (! mod_id)
+ err = _gcry_module_id_new (*entries, &mod_id);
+
+ if (! err)
+ {
+ entry = gcry_malloc (sizeof (struct gcry_module));
+ if (! entry)
+ err = gpg_err_code_from_errno (errno);
+ }
+
+ if (! err)
+ {
+ /* Fill new module entry. */
+ entry->flags = 0;
+ entry->counter = 1;
+ entry->spec = spec;
+ entry->mod_id = mod_id;
+
+ /* Link it into the list. */
+ entry->next = *entries;
+ entry->prevp = entries;
+ if (*entries)
+ (*entries)->prevp = &entry->next;
+ *entries = entry;
+
+ /* And give it to the caller. */
+ if (module)
+ *module = entry;
+ }
+ return err;
+}
+
+/* Internal function. Unlink CIPHER_ENTRY from the list of registered
+ ciphers and destroy it. */
+static void
+_gcry_module_drop (gcry_module_t entry)
+{
+ *entry->prevp = entry->next;
+ if (entry->next)
+ entry->next->prevp = entry->prevp;
+
+ gcry_free (entry);
+}
+
+/* Lookup a module specification by it's ID. After a successfull
+ lookup, the module has it's resource counter incremented. */
+gcry_module_t
+_gcry_module_lookup_id (gcry_module_t entries, unsigned int mod_id)
+{
+ gcry_module_t entry;
+
+ for (entry = entries; entry; entry = entry->next)
+ if (entry->mod_id == mod_id)
+ {
+ entry->counter++;
+ break;
+ }
+
+ return entry;
+}
+
+/* Lookup a module specification. After a successfull lookup, the
+ module has it's resource counter incremented. FUNC is a function
+ provided by the caller, which is responsible for identifying the
+ wanted module. */
+gcry_module_t
+_gcry_module_lookup (gcry_module_t entries, void *data,
+ gcry_module_lookup_t func)
+{
+ gcry_module_t entry;
+
+ for (entry = entries; entry; entry = entry->next)
+ if ((*func) (entry->spec, data))
+ {
+ entry->counter++;
+ break;
+ }
+
+ return entry;
+}
+
+/* Release a module. In case the use-counter reaches zero, destroy
+ the module. Passing MODULE as NULL is a dummy operation (similar
+ to free()). */
+void
+_gcry_module_release (gcry_module_t module)
+{
+ if (module && ! --module->counter)
+ _gcry_module_drop (module);
+}
+
+/* Add a reference to a module. */
+void
+_gcry_module_use (gcry_module_t module)
+{
+ ++module->counter;
+}
+
+/* If LIST is zero, write the number of modules identified by MODULES
+ to LIST_LENGTH and return. If LIST is non-zero, the first
+ *LIST_LENGTH algorithm IDs are stored in LIST, which must be of
+ according size. In case there are less cipher modules than
+ *LIST_LENGTH, *LIST_LENGTH is updated to the correct number. */
+gcry_err_code_t
+_gcry_module_list (gcry_module_t modules,
+ int *list, int *list_length)
+{
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+ gcry_module_t module;
+ int length, i;
+
+ for (module = modules, length = 0; module; module = module->next, length++);
+
+ if (list)
+ {
+ if (length > *list_length)
+ length = *list_length;
+
+ for (module = modules, i = 0; i < length; module = module->next, i++)
+ list[i] = module->mod_id;
+
+ if (length < *list_length)
+ *list_length = length;
+ }
+ else
+ *list_length = length;
+
+ return err;
+}
diff --git a/pwmanager/libcrypt/crypt/mpi.h b/pwmanager/libcrypt/crypt/mpi.h
new file mode 100644
index 0000000..9e0037e
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/mpi.h
@@ -0,0 +1,199 @@
+/* mpi.h - Multi Precision Integers
+ * Copyright (C) 1994, 1996, 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+#ifndef G10_MPI_H
+#define G10_MPI_H
+
+#include <config.h>
+#include <stdio.h>
+#include "types.h"
+#include "memory.h"
+#include "../mpi/mpi-asm-defs.h"
+
+#include "g10lib.h"
+
+#ifndef _GCRYPT_IN_LIBGCRYPT
+#error this file should only be used inside libgcrypt
+#endif
+
+#ifndef BITS_PER_MPI_LIMB
+#if BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_INT
+ typedef unsigned int mpi_limb_t;
+ typedef signed int mpi_limb_signed_t;
+#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_LONG
+ typedef unsigned long int mpi_limb_t;
+ typedef signed long int mpi_limb_signed_t;
+#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_LONG_LONG
+ typedef unsigned long long int mpi_limb_t;
+ typedef signed long long int mpi_limb_signed_t;
+#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_SHORT
+ typedef unsigned short int mpi_limb_t;
+ typedef signed short int mpi_limb_signed_t;
+#else
+#error BYTES_PER_MPI_LIMB does not match any C type
+#endif
+#define BITS_PER_MPI_LIMB (8*BYTES_PER_MPI_LIMB)
+#endif /*BITS_PER_MPI_LIMB*/
+
+#define DBG_MPI _gcry_get_debug_flag( 2 );
+
+struct gcry_mpi {
+ int alloced; /* array size (# of allocated limbs) */
+ int nlimbs; /* number of valid limbs */
+ int sign; /* indicates a negative number and is used for opaque
+ * MPIs to store the length */
+ unsigned flags; /* bit 0: array must be allocated in secure memory space */
+ /* bit 2: the limb is a pointer to some m_alloced data */
+ mpi_limb_t *d; /* array with the limbs */
+};
+
+#define MPI_NULL NULL
+
+#define mpi_get_nlimbs(a) ((a)->nlimbs)
+#define mpi_is_neg(a) ((a)->sign)
+
+/*-- mpiutil.c --*/
+
+#ifdef M_DEBUG
+#define mpi_alloc(n) _gcry_mpi_debug_alloc((n), M_DBGINFO( __LINE__ ) )
+#define mpi_alloc_secure(n) _gcry_mpi_debug_alloc_secure((n), M_DBGINFO( __LINE__ ) )
+#define mpi_free(a) _gcry_mpi_debug_free((a), M_DBGINFO(__LINE__) )
+#define mpi_resize(a,b) _gcry_mpi_debug_resize((a),(b), M_DBGINFO(__LINE__) )
+#define mpi_copy(a) _gcry_mpi_debug_copy((a), M_DBGINFO(__LINE__) )
+ gcry_mpi_t _gcry_mpi_debug_alloc( unsigned nlimbs, const char *info );
+ gcry_mpi_t _gcry_mpi_debug_alloc_secure( unsigned nlimbs, const char *info );
+ void _gcry_mpi_debug_free( gcry_mpi_t a, const char *info );
+ void _gcry_mpi_debug_resize( gcry_mpi_t a, unsigned nlimbs, const char *info );
+ gcry_mpi_t _gcry_mpi_debug_copy( gcry_mpi_t a, const char *info );
+#else
+#define mpi_alloc(n) _gcry_mpi_alloc((n) )
+#define mpi_alloc_secure(n) _gcry_mpi_alloc_secure((n) )
+#define mpi_free(a) _gcry_mpi_free((a) )
+#define mpi_resize(a,b) _gcry_mpi_resize((a),(b))
+#define mpi_copy(a) _gcry_mpi_copy((a))
+ gcry_mpi_t _gcry_mpi_alloc( unsigned nlimbs );
+ gcry_mpi_t _gcry_mpi_alloc_secure( unsigned nlimbs );
+ void _gcry_mpi_free( gcry_mpi_t a );
+ void _gcry_mpi_resize( gcry_mpi_t a, unsigned nlimbs );
+ gcry_mpi_t _gcry_mpi_copy( gcry_mpi_t a );
+#endif
+#define mpi_is_opaque(a) ((a) && ((a)->flags&4))
+#define mpi_is_secure(a) ((a) && ((a)->flags&1))
+#define mpi_clear(a) _gcry_mpi_clear ((a))
+#define mpi_alloc_like(a) _gcry_mpi_alloc_like((a))
+#define mpi_set(a,b) _gcry_mpi_set ((a),(b))
+#define mpi_set_ui(a,b) _gcry_mpi_set_ui ((a),(b))
+#define mpi_alloc_set_ui(a) _gcry_mpi_alloc_set_ui ((a))
+#define mpi_m_check(a) _gcry_mpi_m_check ((a))
+#define mpi_swap(a,b) _gcry_mpi_swap ((a),(b))
+
+void _gcry_mpi_clear( gcry_mpi_t a );
+gcry_mpi_t _gcry_mpi_alloc_like( gcry_mpi_t a );
+void _gcry_mpi_set( gcry_mpi_t w, gcry_mpi_t u);
+void _gcry_mpi_set_ui( gcry_mpi_t w, ulong u);
+gcry_mpi_t _gcry_mpi_alloc_set_ui( unsigned long u);
+void _gcry_mpi_m_check( gcry_mpi_t a );
+void _gcry_mpi_swap( gcry_mpi_t a, gcry_mpi_t b);
+
+/*-- mpicoder.c --*/
+void _gcry_log_mpidump( const char *text, gcry_mpi_t a );
+u32 _gcry_mpi_get_keyid( gcry_mpi_t a, u32 *keyid );
+byte *_gcry_mpi_get_buffer( gcry_mpi_t a, unsigned *nbytes, int *sign );
+byte *_gcry_mpi_get_secure_buffer( gcry_mpi_t a, unsigned *nbytes, int *sign );
+void _gcry_mpi_set_buffer( gcry_mpi_t a, const byte *buffer, unsigned nbytes, int sign );
+
+#define log_mpidump _gcry_log_mpidump
+
+/*-- mpi-add.c --*/
+#define mpi_add_ui(w,u,v) gcry_mpi_add_ui((w),(u),(v))
+#define mpi_add(w,u,v) gcry_mpi_add ((w),(u),(v))
+#define mpi_addm(w,u,v,m) gcry_mpi_addm ((w),(u),(v),(m))
+#define mpi_sub_ui(w,u,v) gcry_mpi_sub_ui ((w),(u),(v))
+#define mpi_sub(w,u,v) gcry_mpi_sub ((w),(u),(v))
+#define mpi_subm(w,u,v,m) gcry_mpi_subm ((w),(u),(v),(m))
+
+
+/*-- mpi-mul.c --*/
+#define mpi_mul_ui(w,u,v) gcry_mpi_mul_ui ((w),(u),(v))
+#define mpi_mul_2exp(w,u,v) gcry_mpi_mul_2exp ((w),(u),(v))
+#define mpi_mul(w,u,v) gcry_mpi_mul ((w),(u),(v))
+#define mpi_mulm(w,u,v,m) gcry_mpi_mulm ((w),(u),(v),(m))
+
+
+/*-- mpi-div.c --*/
+#define mpi_fdiv_r_ui(a,b,c) _gcry_mpi_fdiv_r_ui((a),(b),(c))
+#define mpi_fdiv_r(a,b,c) _gcry_mpi_fdiv_r((a),(b),(c))
+#define mpi_fdiv_q(a,b,c) _gcry_mpi_fdiv_q((a),(b),(c))
+#define mpi_fdiv_qr(a,b,c,d) _gcry_mpi_fdiv_qr((a),(b),(c),(d))
+#define mpi_tdiv_r(a,b,c) _gcry_mpi_tdiv_r((a),(b),(c))
+#define mpi_tdiv_qr(a,b,c,d) _gcry_mpi_tdiv_qr((a),(b),(c),(d))
+#define mpi_tdiv_q_2exp(a,b,c) _gcry_mpi_tdiv_q_2exp((a),(b),(c))
+#define mpi_divisible_ui(a,b) _gcry_mpi_divisible_ui((a),(b))
+ulong _gcry_mpi_fdiv_r_ui( gcry_mpi_t rem, gcry_mpi_t dividend, ulong divisor );
+void _gcry_mpi_fdiv_r( gcry_mpi_t rem, gcry_mpi_t dividend, gcry_mpi_t divisor );
+void _gcry_mpi_fdiv_q( gcry_mpi_t quot, gcry_mpi_t dividend, gcry_mpi_t divisor );
+void _gcry_mpi_fdiv_qr( gcry_mpi_t quot, gcry_mpi_t rem, gcry_mpi_t dividend, gcry_mpi_t divisor );
+void _gcry_mpi_tdiv_r( gcry_mpi_t rem, gcry_mpi_t num, gcry_mpi_t den);
+void _gcry_mpi_tdiv_qr( gcry_mpi_t quot, gcry_mpi_t rem, gcry_mpi_t num, gcry_mpi_t den);
+void _gcry_mpi_tdiv_q_2exp( gcry_mpi_t w, gcry_mpi_t u, unsigned count );
+int _gcry_mpi_divisible_ui(gcry_mpi_t dividend, ulong divisor );
+
+/*-- mpi-gcd.c --*/
+
+/*-- mpi-mpow.c --*/
+#define mpi_mulpowm(a,b,c,d) _gcry_mpi_mulpowm ((a),(b),(c),(d))
+void _gcry_mpi_mulpowm( gcry_mpi_t res, gcry_mpi_t *basearray, gcry_mpi_t *exparray, gcry_mpi_t mod);
+
+/*-- mpi-cmp.c --*/
+#define mpi_cmp_ui(a,b) gcry_mpi_cmp_ui ((a),(b))
+#define mpi_cmp(a,b) gcry_mpi_cmp ((a),(b))
+int gcry_mpi_cmp_ui( gcry_mpi_t u, ulong v );
+int gcry_mpi_cmp( gcry_mpi_t u, gcry_mpi_t v );
+
+/*-- mpi-scan.c --*/
+#define mpi_trailing_zeros(a) _gcry_mpi_trailing_zeros ((a))
+int _gcry_mpi_getbyte( gcry_mpi_t a, unsigned idx );
+void _gcry_mpi_putbyte( gcry_mpi_t a, unsigned idx, int value );
+unsigned _gcry_mpi_trailing_zeros( gcry_mpi_t a );
+
+/*-- mpi-bit.c --*/
+#define mpi_normalize(a) _gcry_mpi_normalize ((a))
+#define mpi_get_nbits(a) gcry_mpi_get_nbits ((a))
+#define mpi_test_bit(a,b) gcry_mpi_test_bit ((a),(b))
+#define mpi_set_bit(a,b) gcry_mpi_set_bit ((a),(b))
+#define mpi_set_highbit(a,b) gcry_mpi_set_highbit ((a),(b))
+#define mpi_clear_bit(a,b) gcry_mpi_clear_bit ((a),(b))
+#define mpi_clear_highbit(a,b) gcry_mpi_clear_highbit ((a),(b))
+#define mpi_rshift(a,b,c) gcry_mpi_rshift ((a),(b),(c))
+
+void _gcry_mpi_normalize( gcry_mpi_t a );
+
+/*-- mpi-inv.c --*/
+#define mpi_invm(a,b,c) _gcry_mpi_invm ((a),(b),(c))
+void _gcry_mpi_invm( gcry_mpi_t x, gcry_mpi_t u, gcry_mpi_t v );
+
+
+#endif /*G10_MPI_H*/
diff --git a/pwmanager/libcrypt/crypt/secmem.c b/pwmanager/libcrypt/crypt/secmem.c
new file mode 100644
index 0000000..163bf20
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/secmem.c
@@ -0,0 +1,653 @@
+/* secmem.c - memory allocation from a secure heap
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002,
+ * 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <stddef.h>
+
+#if defined(HAVE_MLOCK) || defined(HAVE_MMAP)
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#ifdef USE_CAPABILITIES
+#include <sys/capability.h>
+#endif
+#endif
+
+#include "ath.h"
+#include "g10lib.h"
+#include "secmem.h"
+
+#if defined (MAP_ANON) && ! defined (MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
+#define DEFAULT_POOL_SIZE 16384
+#define DEFAULT_PAGE_SIZE 4096
+
+typedef struct memblock
+{
+ unsigned size; /* Size of the memory available to the
+ user. */
+ int flags; /* See below. */
+ PROPERLY_ALIGNED_TYPE aligned;
+} memblock_t;
+
+/* This flag specifies that the memory block is in use. */
+#define MB_FLAG_ACTIVE 1 << 0
+
+/* The pool of secure memory. */
+static void *pool;
+
+/* Size of POOL in bytes. */
+static size_t pool_size;
+
+/* True, if the memory pool is ready for use. May be checked in an
+ atexit function. */
+static volatile int pool_okay;
+
+/* True, if the memory pool is mmapped. */
+static volatile int pool_is_mmapped;
+
+/* FIXME? */
+static int disable_secmem;
+static int show_warning;
+static int no_warning;
+static int suspend_warning;
+
+/* Stats. */
+static unsigned int cur_alloced, cur_blocks;
+
+/* Lock protecting accesses to the memory pool. */
+static ath_mutex_t secmem_lock;
+
+/* Convenient macros. */
+#define SECMEM_LOCK ath_mutex_lock (&secmem_lock)
+#define SECMEM_UNLOCK ath_mutex_unlock (&secmem_lock)
+
+/* The size of the memblock structure; this does not include the
+ memory that is available to the user. */
+#define BLOCK_HEAD_SIZE \
+ offsetof (memblock_t, aligned)
+
+/* Convert an address into the according memory block structure. */
+#define ADDR_TO_BLOCK(addr) \
+ (memblock_t *) ((char *) addr - BLOCK_HEAD_SIZE)
+
+/* Check wether MB is a valid block. */
+#define BLOCK_VALID(mb) \
+ (((char *) mb - (char *) pool) < pool_size)
+
+/* Update the stats. */
+static void
+stats_update (size_t add, size_t sub)
+{
+ if (add)
+ {
+ cur_alloced += add;
+ cur_blocks++;
+ }
+ if (sub)
+ {
+ cur_alloced -= sub;
+ cur_blocks--;
+ }
+}
+
+/* Return the block following MB or NULL, if MB is the last block. */
+static memblock_t *
+mb_get_next (memblock_t *mb)
+{
+ memblock_t *mb_next;
+
+ mb_next = (memblock_t *) ((char *) mb + BLOCK_HEAD_SIZE + mb->size);
+
+ if (! BLOCK_VALID (mb_next))
+ mb_next = NULL;
+
+ return mb_next;
+}
+
+/* Return the block preceeding MB or NULL, if MB is the first
+ block. */
+static memblock_t *
+mb_get_prev (memblock_t *mb)
+{
+ memblock_t *mb_prev, *mb_next;
+
+ if (mb == pool)
+ mb_prev = NULL;
+ else
+ {
+ mb_prev = (memblock_t *) pool;
+ while (1)
+ {
+ mb_next = mb_get_next (mb_prev);
+ if (mb_next == mb)
+ break;
+ else
+ mb_prev = mb_next;
+ }
+ }
+
+ return mb_prev;
+}
+
+/* If the preceeding block of MB and/or the following block of MB
+ exist and are not active, merge them to form a bigger block. */
+static void
+mb_merge (memblock_t *mb)
+{
+ memblock_t *mb_prev, *mb_next;
+
+ mb_prev = mb_get_prev (mb);
+ mb_next = mb_get_next (mb);
+
+ if (mb_prev && (! (mb_prev->flags & MB_FLAG_ACTIVE)))
+ {
+ mb_prev->size += BLOCK_HEAD_SIZE + mb->size;
+ mb = mb_prev;
+ }
+ if (mb_next && (! (mb_next->flags & MB_FLAG_ACTIVE)))
+ mb->size += BLOCK_HEAD_SIZE + mb_next->size;
+}
+
+/* Return a new block, which can hold SIZE bytes. */
+static memblock_t *
+mb_get_new (memblock_t *block, size_t size)
+{
+ memblock_t *mb, *mb_split;
+
+ for (mb = block; BLOCK_VALID (mb); mb = mb_get_next (mb))
+ if (! (mb->flags & MB_FLAG_ACTIVE) && mb->size >= size)
+ {
+ /* Found a free block. */
+ mb->flags |= MB_FLAG_ACTIVE;
+
+ if (mb->size - size > BLOCK_HEAD_SIZE)
+ {
+ /* Split block. */
+
+ mb_split = (memblock_t *) (((char *) mb) + BLOCK_HEAD_SIZE + size);
+ mb_split->size = mb->size - size - BLOCK_HEAD_SIZE;
+ mb_split->flags = 0;
+
+ mb->size = size;
+
+ mb_merge (mb_split);
+
+ }
+
+ break;
+ }
+
+ if (! BLOCK_VALID (mb))
+ mb = NULL;
+
+ return mb;
+}
+
+/* Print a warning message. */
+static void
+print_warn (void)
+{
+ if (!no_warning)
+ log_info (_("Warning: using insecure memory!\n"));
+}
+
+/* Lock the memory pages into core and drop privileges. */
+static void
+lock_pool (void *p, size_t n)
+{
+#if defined(USE_CAPABILITIES) && defined(HAVE_MLOCK)
+ int err;
+
+ cap_set_proc (cap_from_text ("cap_ipc_lock+ep"));
+ err = mlock (p, n);
+ if (err && errno)
+ err = errno;
+ cap_set_proc (cap_from_text ("cap_ipc_lock+p"));
+
+ if (err)
+ {
+ if (errno != EPERM
+#ifdef EAGAIN /* OpenBSD returns this */
+ && errno != EAGAIN
+#endif
+#ifdef ENOSYS /* Some SCOs return this (function not implemented) */
+ && errno != ENOSYS
+#endif
+#ifdef ENOMEM /* Linux might return this. */
+ && errno != ENOMEM
+#endif
+ )
+ log_error ("can't lock memory: %s\n", strerror (err));
+ show_warning = 1;
+ }
+
+#elif defined(HAVE_MLOCK)
+ uid_t uid;
+ int err;
+
+ uid = getuid ();
+
+#ifdef HAVE_BROKEN_MLOCK
+ /* Under HP/UX mlock segfaults if called by non-root. Note, we have
+ noch checked whether mlock does really work under AIX where we
+ also detected a broken nlock. Note further, that using plock ()
+ is not a good idea under AIX. */
+ if (uid)
+ {
+ errno = EPERM;
+ err = errno;
+ }
+ else
+ {
+ err = mlock (p, n);
+ if (err && errno)
+ err = errno;
+ }
+#else /* !HAVE_BROKEN_MLOCK */
+ err = mlock (p, n);
+ if (err && errno)
+ err = errno;
+#endif /* !HAVE_BROKEN_MLOCK */
+
+ if (uid && ! geteuid ())
+ {
+ /* check that we really dropped the privs.
+ * Note: setuid(0) should always fail */
+ if (setuid (uid) || getuid () != geteuid () || !setuid (0))
+ log_fatal ("failed to reset uid: %s\n", strerror (errno));
+ }
+
+ if (err)
+ {
+ if (errno != EPERM
+#ifdef EAGAIN /* OpenBSD returns this. */
+ && errno != EAGAIN
+#endif
+#ifdef ENOSYS /* Some SCOs return this (function not implemented). */
+ && errno != ENOSYS
+#endif
+#ifdef ENOMEM /* Linux might return this. */
+ && errno != ENOMEM
+#endif
+ )
+ log_error ("can't lock memory: %s\n", strerror (err));
+ show_warning = 1;
+ }
+
+#elif defined ( __QNX__ )
+ /* QNX does not page at all, so the whole secure memory stuff does
+ * not make much sense. However it is still of use because it
+ * wipes out the memory on a free().
+ * Therefore it is sufficient to suppress the warning
+ */
+#elif defined (HAVE_DOSISH_SYSTEM) || defined (__CYGWIN__)
+ /* It does not make sense to print such a warning, given the fact that
+ * this whole Windows !@#$% and their user base are inherently insecure
+ */
+#elif defined (__riscos__)
+ /* no virtual memory on RISC OS, so no pages are swapped to disc,
+ * besides we don't have mmap, so we don't use it! ;-)
+ * But don't complain, as explained above.
+ */
+#else
+ log_info ("Please note that you don't have secure memory on this system\n");
+#endif
+}
+
+/* Initialize POOL. */
+static void
+init_pool (size_t n)
+{
+ size_t pgsize;
+ memblock_t *mb;
+
+ pool_size = n;
+
+ if (disable_secmem)
+ log_bug ("secure memory is disabled");
+
+#ifdef HAVE_GETPAGESIZE
+ pgsize = getpagesize ();
+#else
+ pgsize = DEFAULT_PAGE_SIZE;
+#endif
+
+#if HAVE_MMAP
+ pool_size = (pool_size + pgsize - 1) & ~(pgsize - 1);
+#ifdef MAP_ANONYMOUS
+ pool = mmap (0, pool_size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#else /* map /dev/zero instead */
+ {
+ int fd;
+
+ fd = open ("/dev/zero", O_RDWR);
+ if (fd == -1)
+ {
+ log_error ("can't open /dev/zero: %s\n", strerror (errno));
+ pool = (void *) -1;
+ }
+ else
+ {
+ pool = mmap (0, pool_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+ }
+ }
+#endif
+ if (pool == (void *) -1)
+ log_info ("can't mmap pool of %u bytes: %s - using malloc\n",
+ (unsigned) pool_size, strerror (errno));
+ else
+ {
+ pool_is_mmapped = 1;
+ pool_okay = 1;
+ }
+
+#endif
+ if (!pool_okay)
+ {
+ pool = malloc (pool_size);
+ if (!pool)
+ log_fatal ("can't allocate memory pool of %u bytes\n",
+ (unsigned) pool_size);
+ else
+ pool_okay = 1;
+ }
+
+ /* Initialize first memory block. */
+ mb = (memblock_t *) pool;
+ mb->size = pool_size;
+ mb->flags = 0;
+}
+
+void
+_gcry_secmem_set_flags (unsigned flags)
+{
+ int was_susp;
+
+ SECMEM_LOCK;
+
+ was_susp = suspend_warning;
+ no_warning = flags & GCRY_SECMEM_FLAG_NO_WARNING;
+ suspend_warning = flags & GCRY_SECMEM_FLAG_SUSPEND_WARNING;
+
+ /* and now issue the warning if it is not longer suspended */
+ if (was_susp && !suspend_warning && show_warning)
+ {
+ show_warning = 0;
+ print_warn ();
+ }
+
+ SECMEM_UNLOCK;
+}
+
+unsigned
+_gcry_secmem_get_flags (void)
+{
+ unsigned flags;
+
+ SECMEM_LOCK;
+
+ flags = no_warning ? GCRY_SECMEM_FLAG_NO_WARNING : 0;
+ flags |= suspend_warning ? GCRY_SECMEM_FLAG_SUSPEND_WARNING : 0;
+
+ SECMEM_UNLOCK;
+
+ return flags;
+}
+
+/* Initialize the secure memory system. If running with the necessary
+ privileges, the secure memory pool will be locked into the core in
+ order to prevent page-outs of the data. Furthermore allocated
+ secure memory will be wiped out when released. */
+void
+_gcry_secmem_init (size_t n)
+{
+ SECMEM_LOCK;
+
+ if (!n)
+ {
+#ifdef USE_CAPABILITIES
+ /* drop all capabilities */
+ cap_set_proc (cap_from_text ("all-eip"));
+
+#elif !defined(HAVE_DOSISH_SYSTEM)
+ uid_t uid;
+
+ disable_secmem = 1;
+ uid = getuid ();
+ if (uid != geteuid ())
+ {
+ if (setuid (uid) || getuid () != geteuid () || !setuid (0))
+ log_fatal ("failed to drop setuid\n");
+ }
+#endif
+ }
+ else
+ {
+ if (n < DEFAULT_POOL_SIZE)
+ n = DEFAULT_POOL_SIZE;
+ if (! pool_okay)
+ {
+ init_pool (n);
+ if (! geteuid ())
+ lock_pool (pool, n);
+ else if (!no_warning)
+ log_info ("Secure memory is not locked into core\n");
+ }
+ else
+ log_error ("Oops, secure memory pool already initialized\n");
+ }
+
+ SECMEM_UNLOCK;
+}
+
+
+static void *
+_gcry_secmem_malloc_internal (size_t size)
+{
+ memblock_t *mb;
+
+ if (!pool_okay)
+ {
+ log_info (_
+ ("operation is not possible without initialized secure memory\n"));
+ exit (2);
+ }
+ if (show_warning && !suspend_warning)
+ {
+ show_warning = 0;
+ print_warn ();
+ }
+
+ /* Blocks are always a multiple of 32. */
+ size = ((size + 31) / 32) * 32;
+
+ mb = mb_get_new ((memblock_t *) pool, size);
+ if (mb)
+ stats_update (size, 0);
+
+ return mb ? &mb->aligned.c : NULL;
+}
+
+void *
+_gcry_secmem_malloc (size_t size)
+{
+ void *p;
+
+ SECMEM_LOCK;
+ p = _gcry_secmem_malloc_internal (size);
+ SECMEM_UNLOCK;
+
+ return p;
+}
+
+static void
+_gcry_secmem_free_internal (void *a)
+{
+ memblock_t *mb;
+ int size;
+
+ if (!a)
+ return;
+
+ mb = ADDR_TO_BLOCK (a);
+ size = mb->size;
+
+ /* This does not make much sense: probably this memory is held in the
+ * cache. We do it anyway: */
+#define MB_WIPE_OUT(byte) \
+ memset ((memblock_t *) ((char *) mb + BLOCK_HEAD_SIZE), (byte), size);
+
+ MB_WIPE_OUT (0xff);
+ MB_WIPE_OUT (0xaa);
+ MB_WIPE_OUT (0x55);
+ MB_WIPE_OUT (0x00);
+
+ stats_update (0, size);
+
+ mb->flags &= ~MB_FLAG_ACTIVE;
+
+ /* Update stats. */
+
+ mb_merge (mb);
+}
+
+/* Wipe out and release memory. */
+void
+_gcry_secmem_free (void *a)
+{
+ SECMEM_LOCK;
+ _gcry_secmem_free_internal (a);
+ SECMEM_UNLOCK;
+}
+
+/* Realloc memory. */
+void *
+_gcry_secmem_realloc (void *p, size_t newsize)
+{
+ memblock_t *mb;
+ size_t size;
+ void *a;
+
+ SECMEM_LOCK;
+
+ mb = (memblock_t *) ((char *) p - ((size_t) &((memblock_t *) 0)->aligned.c));
+ size = mb->size;
+ if (newsize < size)
+ {
+ /* It is easier to not shrink the memory. */
+ a = p;
+ }
+ else
+ {
+ a = _gcry_secmem_malloc_internal (newsize);
+ if (a)
+ {
+ memcpy (a, p, size);
+ memset ((char *) a + size, 0, newsize - size);
+ _gcry_secmem_free_internal (p);
+ }
+ }
+
+ SECMEM_UNLOCK;
+
+ return a;
+}
+
+int
+_gcry_private_is_secure (const void *p)
+{
+ int ret = 0;
+
+ SECMEM_LOCK;
+
+ if (pool_okay && BLOCK_VALID (ADDR_TO_BLOCK (p)))
+ ret = 1;
+
+ SECMEM_UNLOCK;
+
+ return ret;
+}
+
+
+/****************
+ * Warning: This code might be called by an interrupt handler
+ * and frankly, there should really be such a handler,
+ * to make sure that the memory is wiped out.
+ * We hope that the OS wipes out mlocked memory after
+ * receiving a SIGKILL - it really should do so, otherwise
+ * there is no chance to get the secure memory cleaned.
+ */
+void
+_gcry_secmem_term ()
+{
+ if (!pool_okay)
+ return;
+
+ wipememory2 (pool, 0xff, pool_size);
+ wipememory2 (pool, 0xaa, pool_size);
+ wipememory2 (pool, 0x55, pool_size);
+ wipememory2 (pool, 0x00, pool_size);
+#if HAVE_MMAP
+ if (pool_is_mmapped)
+ munmap (pool, pool_size);
+#endif
+ pool = NULL;
+ pool_okay = 0;
+ pool_size = 0;
+}
+
+
+void
+_gcry_secmem_dump_stats ()
+{
+#if 1
+ SECMEM_LOCK;
+
+ if (pool_okay)
+ log_info ("secmem usage: %u/%lu bytes in %u blocks\n",
+ cur_alloced, (unsigned long)pool_size, cur_blocks);
+ SECMEM_UNLOCK;
+#else
+ memblock_t *mb;
+ int i;
+
+ SECMEM_LOCK;
+
+ for (i = 0, mb = (memblock_t *) pool;
+ BLOCK_VALID (mb);
+ mb = mb_get_next (mb), i++)
+ log_info ("SECMEM: [%s] block: %i; size: %i\n",
+ (mb->flags & MB_FLAG_ACTIVE) ? "used" : "free",
+ i,
+ mb->size);
+ SECMEM_UNLOCK;
+#endif
+}
diff --git a/pwmanager/libcrypt/crypt/secmem.h b/pwmanager/libcrypt/crypt/secmem.h
new file mode 100644
index 0000000..54e16ba
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/secmem.h
@@ -0,0 +1,38 @@
+/* secmem.h - internal definitions for secmem
+ * Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef G10_SECMEM_H
+#define G10_SECMEM_H 1
+
+void _gcry_secmem_init (size_t npool);
+void _gcry_secmem_term (void);
+void *_gcry_secmem_malloc (size_t size) GCC_ATTR_MALLOC;
+void *_gcry_secmem_realloc (void *a, size_t newsize);
+void _gcry_secmem_free (void *a);
+void _gcry_secmem_dump_stats (void);
+void _gcry_secmem_set_flags (unsigned flags);
+unsigned _gcry_secmem_get_flags(void) GCC_ATTR_PURE;
+int _gcry_private_is_secure (const void *p) GCC_ATTR_PURE;
+
+/* Flags for _gcry_secmem_{set,get}_flags. */
+#define GCRY_SECMEM_FLAG_NO_WARNING 1 << 0
+#define GCRY_SECMEM_FLAG_SUSPEND_WARNING 1 << 1
+
+#endif /* G10_SECMEM_H */
diff --git a/pwmanager/libcrypt/crypt/sexp.c b/pwmanager/libcrypt/crypt/sexp.c
new file mode 100644
index 0000000..c19dc33
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/sexp.c
@@ -0,0 +1,1804 @@
+/* sexp.c - S-Expression handling
+ * Copyright (C) 1999, 2000, 2001, 2002, 2003,
+ * 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <assert.h>
+
+#define GCRYPT_NO_MPI_MACROS 1
+#include "g10lib.h"
+#include "memory.h"
+
+typedef struct gcry_sexp *NODE;
+typedef unsigned short DATALEN;
+
+struct gcry_sexp
+{
+ byte d[1];
+};
+
+#define ST_STOP 0
+#define ST_DATA 1 /* datalen follows */
+#define ST_HINT 2 /* datalen follows */
+#define ST_OPEN 3
+#define ST_CLOSE 4
+
+/* the atoi macros assume that the buffer has only valid digits */
+#define atoi_1(p) (*(p) - '0' )
+#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \
+ *(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
+#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
+
+#define TOKEN_SPECIALS "-./_:*+="
+
+static gcry_error_t
+sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *buffer, size_t length, int argflag,
+ va_list arg_ptr, void **arg_list);
+
+#if 0
+static void
+dump_mpi( gcry_mpi_t a )
+{
+ char buffer[1000];
+ size_t n = 1000;
+
+ if( !a )
+ fputs("[no MPI]", stderr );
+ else if( gcry_mpi_print( GCRYMPI_FMT_HEX, buffer, &n, a ) )
+ fputs("[MPI too large to print]", stderr );
+ else
+ fputs( buffer, stderr );
+}
+#endif
+
+static void
+dump_string (const byte *p, size_t n, int delim )
+{
+ for (; n; n--, p++ )
+ {
+ if ((*p & 0x80) || iscntrl( *p ) || *p == delim )
+ {
+ if( *p == '\n' )
+ log_printf ("\\n");
+ else if( *p == '\r' )
+ log_printf ("\\r");
+ else if( *p == '\f' )
+ log_printf ("\\f");
+ else if( *p == '\v' )
+ log_printf ("\\v");
+ else if( *p == '\b' )
+ log_printf ("\\b");
+ else if( !*p )
+ log_printf ("\\0");
+ else
+ log_printf ("\\x%02x", *p );
+ }
+ else
+ log_printf ("%c", *p);
+ }
+}
+
+
+void
+gcry_sexp_dump (const gcry_sexp_t a)
+{
+ const byte *p;
+ int indent = 0;
+ int type;
+
+ if (!a)
+ {
+ log_printf ( "[nil]\n");
+ return;
+ }
+
+ p = a->d;
+ while ( (type = *p) != ST_STOP )
+ {
+ p++;
+ switch ( type )
+ {
+ case ST_OPEN:
+ log_printf ("%*s[open]\n", 2*indent, "");
+ indent++;
+ break;
+ case ST_CLOSE:
+ if( indent )
+ indent--;
+ log_printf ("%*s[close]\n", 2*indent, "");
+ break;
+ case ST_DATA: {
+ DATALEN n;
+ memcpy ( &n, p, sizeof n );
+ p += sizeof n;
+ log_printf ("%*s[data=\"", 2*indent, "" );
+ dump_string (p, n, '\"' );
+ log_printf ("\"]\n");
+ p += n;
+ }
+ break;
+ default:
+ log_printf ("%*s[unknown tag %d]\n", 2*indent, "", type);
+ break;
+ }
+ }
+}
+
+/****************
+ * Pass list through except when it is an empty list - in that case
+ * return NULL and release the passed list.
+ */
+static gcry_sexp_t
+normalize ( gcry_sexp_t list )
+{
+ char *p;
+ if ( !list )
+ return NULL;
+ p = list->d;
+ if ( *p == ST_STOP ) {
+ /* this is "" */
+ gcry_sexp_release ( list );
+ return NULL;
+ }
+ if( *p == ST_OPEN && p[1] == ST_CLOSE ) {
+ /* this is "()" */
+ gcry_sexp_release ( list );
+ return NULL;
+ }
+
+ return list;
+}
+
+/* Create a new S-expression object by reading LENGTH bytes from
+ BUFFER, assuming it is canonilized encoded or autodetected encoding
+ when AUTODETECT is set to 1. With FREEFNC not NULL, ownership of
+ the buffer is transferred to tyhe newle created object. FREEFNC
+ should be the freefnc used to release BUFFER; there is no guarantee
+ at which point this function is called; most likey you want to use
+ free() or gcry_free().
+
+ Passing LENGTH and AUTODETECT as 0 is allowed to indicate that
+ BUFFER points to a valid canonical encoded S-expression. A LENGTH
+ of 0 and AUTODETECT 1 indicates that buffer points to a
+ null-terminated string.
+
+ This function returns 0 and and the pointer to the new object in
+ RETSEXP or an error code in which case RETSEXP is set to NULL. */
+gcry_error_t
+gcry_sexp_create (gcry_sexp_t *retsexp, void *buffer, size_t length,
+ int autodetect, void (*freefnc)(void*) )
+{
+ gcry_error_t errcode;
+ gcry_sexp_t se;
+ volatile va_list dummy_arg_ptr;
+
+ if (!retsexp)
+ return gcry_error (GPG_ERR_INV_ARG);
+ *retsexp = NULL;
+ if (autodetect < 0 || autodetect > 1 || !buffer)
+ return gcry_error (GPG_ERR_INV_ARG);
+
+ if (!length && !autodetect)
+ { /* What a brave caller to assume that there is really a canonical
+ encoded S-expression in buffer */
+ length = gcry_sexp_canon_len (buffer, 0, NULL, &errcode);
+ if (!length)
+ return errcode;
+ }
+ else if (!length && autodetect)
+ { /* buffer is a string */
+ length = strlen ((char *)buffer);
+ }
+
+ errcode = sexp_sscan (&se, NULL, buffer, length, 0, dummy_arg_ptr, NULL);
+ if (errcode)
+ return errcode;
+
+ *retsexp = se;
+ if (freefnc)
+ {
+ /* For now we release the buffer immediately. As soon as we
+ have changed the internal represenation of S-expression to
+ the canoncial format - which has the advantage of faster
+ parsing - we will use this function as a closure in our
+ GCRYSEXP object and use the BUFFER directly */
+ freefnc (buffer);
+ }
+ return gcry_error (GPG_ERR_NO_ERROR);
+}
+
+/* Same as gcry_sexp_create but don't transfer ownership */
+gcry_error_t
+gcry_sexp_new (gcry_sexp_t *retsexp, const void *buffer, size_t length,
+ int autodetect)
+{
+ return gcry_sexp_create (retsexp, (void *)buffer, length, autodetect, NULL);
+}
+
+
+/****************
+ * Release resource of the given SEXP object.
+ */
+void
+gcry_sexp_release( gcry_sexp_t sexp )
+{
+ if (sexp)
+ {
+ if (gcry_is_secure (sexp))
+ {
+ /* Extra paranoid wiping. */
+ const byte *p = sexp->d;
+ int type;
+
+ while ( (type = *p) != ST_STOP )
+ {
+ p++;
+ switch ( type )
+ {
+ case ST_OPEN:
+ break;
+ case ST_CLOSE:
+ break;
+ case ST_DATA:
+ {
+ DATALEN n;
+ memcpy ( &n, p, sizeof n );
+ p += sizeof n;
+ p += n;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ wipememory (sexp->d, p - sexp->d);
+ }
+ gcry_free ( sexp );
+ }
+}
+
+
+/****************
+ * Make a pair from lists a and b, don't use a or b later on.
+ * Special behaviour: If one is a single element list we put the
+ * element straight into the new pair.
+ */
+gcry_sexp_t
+gcry_sexp_cons( const gcry_sexp_t a, const gcry_sexp_t b )
+{
+ /* NYI: Implementation should be quite easy with our new data
+ representation */
+ BUG ();
+ return NULL;
+}
+
+
+/****************
+ * Make a list from all items in the array the end of the array is marked
+ * with a NULL.
+ */
+gcry_sexp_t
+gcry_sexp_alist( const gcry_sexp_t *array )
+{
+ /* NYI: Implementation should be quite easy with our new data
+ representation. */
+ BUG ();
+ return NULL;
+}
+
+/****************
+ * Make a list from all items, the end of list is indicated by a NULL
+ */
+gcry_sexp_t
+gcry_sexp_vlist( const gcry_sexp_t a, ... )
+{
+ /* NYI: Implementation should be quite easy with our new data
+ representation. */
+ BUG ();
+ return NULL;
+}
+
+
+/****************
+ * Append n to the list a
+ * Returns: a new ist (which maybe a)
+ */
+gcry_sexp_t
+gcry_sexp_append( const gcry_sexp_t a, const gcry_sexp_t n )
+{
+ /* NYI: Implementation should be quite easy with our new data
+ representation. */
+ BUG ();
+ return NULL;
+}
+
+gcry_sexp_t
+gcry_sexp_prepend( const gcry_sexp_t a, const gcry_sexp_t n )
+{
+ /* NYI: Implementation should be quite easy with our new data
+ representation. */
+ BUG ();
+ return NULL;
+}
+
+
+
+/****************
+ * Locate token in a list. The token must be the car of a sublist.
+ * Returns: A new list with this sublist or NULL if not found.
+ */
+gcry_sexp_t
+gcry_sexp_find_token( const gcry_sexp_t list, const char *tok, size_t toklen )
+{
+ const byte *p;
+ DATALEN n;
+
+ if ( !list )
+ return NULL;
+
+ if( !toklen )
+ toklen = strlen(tok);
+ p = list->d;
+ while ( *p != ST_STOP ) {
+ if ( *p == ST_OPEN && p[1] == ST_DATA ) {
+ const byte *head = p;
+
+ p += 2;
+ memcpy ( &n, p, sizeof n ); p += sizeof n;
+ if ( n == toklen && !memcmp( p, tok, toklen ) ) { /* found it */
+ gcry_sexp_t newlist;
+ byte *d;
+ int level = 1;
+
+ /* look for the end of the list */
+ for ( p += n; level; p++ ) {
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--; /* compensate for later increment */
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ }
+ else if ( *p == ST_STOP ) {
+ BUG ();
+ }
+ } while ( level );
+ n = p - head;
+
+ newlist = gcry_xmalloc ( sizeof *newlist + n );
+ d = newlist->d;
+ memcpy ( d, head, n ); d += n;
+ *d++ = ST_STOP;
+ return normalize ( newlist );
+ }
+ p += n;
+ }
+ else if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n ); p += sizeof n;
+ p += n;
+ }
+ else
+ p++;
+ }
+ return NULL;
+}
+
+/****************
+ * Return the length of the given list
+ */
+int
+gcry_sexp_length( const gcry_sexp_t list )
+{
+ const byte *p;
+ DATALEN n;
+ int type;
+ int length = 0;
+ int level = 0;
+
+ if ( !list )
+ return 0;
+
+ p = list->d;
+ while ( (type=*p) != ST_STOP ) {
+ p++;
+ if ( type == ST_DATA ) {
+ memcpy ( &n, p, sizeof n );
+ p += sizeof n + n;
+ if ( level == 1 )
+ length++;
+ }
+ else if ( type == ST_OPEN ) {
+ if ( level == 1 )
+ length++;
+ level++;
+ }
+ else if ( type == ST_CLOSE ) {
+ level--;
+ }
+ }
+ return length;
+}
+
+
+
+/****************
+ * Extract the CAR of the given list
+ */
+gcry_sexp_t
+gcry_sexp_nth( const gcry_sexp_t list, int number )
+{
+ const byte *p;
+ DATALEN n;
+ gcry_sexp_t newlist;
+ byte *d;
+ int level = 0;
+
+ if ( !list || list->d[0] != ST_OPEN )
+ return NULL;
+ p = list->d;
+
+ while ( number > 0 ) {
+ p++;
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_STOP ) {
+ return NULL;
+ }
+ }
+ p++;
+
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, p, sizeof n ); p += sizeof n;
+ newlist = gcry_xmalloc ( sizeof *newlist + n + 1 );
+ d = newlist->d;
+ memcpy ( d, p, n ); d += n;
+ *d++ = ST_STOP;
+ }
+ else if ( *p == ST_OPEN ) {
+ const byte *head = p;
+
+ level = 1;
+ do {
+ p++;
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ }
+ else if ( *p == ST_STOP ) {
+ BUG ();
+ }
+ } while ( level );
+ n = p + 1 - head;
+
+ newlist = gcry_xmalloc ( sizeof *newlist + n );
+ d = newlist->d;
+ memcpy ( d, head, n ); d += n;
+ *d++ = ST_STOP;
+ }
+ else
+ newlist = NULL;
+
+ return normalize (newlist);
+}
+
+gcry_sexp_t
+gcry_sexp_car( const gcry_sexp_t list )
+{
+ return gcry_sexp_nth ( list, 0 );
+}
+
+/****************
+ * Get data from the car. The returned value is valid as long as the list
+ * is not modified.
+ */
+const char *
+gcry_sexp_nth_data( const gcry_sexp_t list, int number, size_t *datalen )
+{
+ const byte *p;
+ DATALEN n;
+ int level = 0;
+
+ *datalen = 0;
+ if ( !list ) {
+ return NULL;
+ }
+ p = list->d;
+ if ( *p == ST_OPEN )
+ p++; /* yep, a list */
+ else if (number )
+ return NULL; /* not a list but an n > 0 element requested */
+
+ /* skip n elements */
+ while ( number > 0 ) {
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_STOP ) {
+ return NULL;
+ }
+ p++;
+ }
+
+
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ *datalen = n;
+ return p + sizeof n;
+ }
+
+ return NULL;
+}
+
+/****************
+ * Get a MPI from the car
+ */
+gcry_mpi_t
+gcry_sexp_nth_mpi( gcry_sexp_t list, int number, int mpifmt )
+{
+ const byte *p;
+ DATALEN n;
+ int level = 0;
+
+ if ( !list )
+ return NULL;
+ if ( !mpifmt )
+ mpifmt = GCRYMPI_FMT_STD;
+
+ p = list->d;
+ if ( *p == ST_OPEN )
+ p++; /* yep, a list */
+ else if (number )
+ return NULL; /* not a list but an n > 0 element requested */
+
+ /* skip n elements */
+ while ( number > 0 ) {
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ if ( !level )
+ number--;
+ }
+ else if ( *p == ST_STOP ) {
+ return NULL;
+ }
+ p++;
+ }
+
+ if ( *p == ST_DATA ) {
+ gcry_mpi_t a;
+ size_t nbytes;
+
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n;
+ nbytes = n;
+ if( !gcry_mpi_scan( &a, mpifmt, p, n, &nbytes ) )
+ return a;
+ }
+
+ return NULL;
+}
+
+
+/****************
+ * Get the CDR
+ */
+gcry_sexp_t
+gcry_sexp_cdr( const gcry_sexp_t list )
+{
+ const byte *p;
+ const byte *head;
+ DATALEN n;
+ gcry_sexp_t newlist;
+ byte *d;
+ int level = 0;
+ int skip = 1;
+
+ if ( !list || list->d[0] != ST_OPEN )
+ return NULL;
+ p = list->d;
+
+ while ( skip > 0 ) {
+ p++;
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ if ( !level )
+ skip--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ if ( !level )
+ skip--;
+ }
+ else if ( *p == ST_STOP ) {
+ return NULL;
+ }
+ }
+ p++;
+
+ head = p;
+ level = 0;
+ do {
+ if ( *p == ST_DATA ) {
+ memcpy ( &n, ++p, sizeof n );
+ p += sizeof n + n;
+ p--;
+ }
+ else if ( *p == ST_OPEN ) {
+ level++;
+ }
+ else if ( *p == ST_CLOSE ) {
+ level--;
+ }
+ else if ( *p == ST_STOP ) {
+ return NULL;
+ }
+ p++;
+ } while ( level );
+ n = p - head;
+
+ newlist = gcry_xmalloc ( sizeof *newlist + n + 2 );
+ d = newlist->d;
+ *d++ = ST_OPEN;
+ memcpy ( d, head, n ); d += n;
+ *d++ = ST_CLOSE;
+ *d++ = ST_STOP;
+
+ return normalize (newlist);
+}
+
+gcry_sexp_t
+gcry_sexp_cadr ( const gcry_sexp_t list )
+{
+ gcry_sexp_t a, b;
+
+ a = gcry_sexp_cdr ( list );
+ b = gcry_sexp_car ( a );
+ gcry_sexp_release ( a );
+ return b;
+}
+
+
+
+static int
+hextobyte( const byte *s )
+{
+ int c=0;
+
+ if( *s >= '0' && *s <= '9' )
+ c = 16 * (*s - '0');
+ else if( *s >= 'A' && *s <= 'F' )
+ c = 16 * (10 + *s - 'A');
+ else if( *s >= 'a' && *s <= 'f' ) {
+ c = 16 * (10 + *s - 'a');
+ }
+ s++;
+ if( *s >= '0' && *s <= '9' )
+ c += *s - '0';
+ else if( *s >= 'A' && *s <= 'F' )
+ c += 10 + *s - 'A';
+ else if( *s >= 'a' && *s <= 'f' ) {
+ c += 10 + *s - 'a';
+ }
+ return c;
+}
+
+struct make_space_ctx {
+ gcry_sexp_t sexp;
+ size_t allocated;
+ byte *pos;
+};
+
+static void
+make_space ( struct make_space_ctx *c, size_t n )
+{
+ size_t used = c->pos - c->sexp->d;
+
+ if ( used + n + sizeof(DATALEN) + 1 >= c->allocated ) {
+ gcry_sexp_t newsexp;
+ byte *newhead;
+
+ c->allocated += 2*(n+sizeof(DATALEN)+1);
+ newsexp = gcry_xrealloc ( c->sexp, sizeof *newsexp + c->allocated - 1 );
+ newhead = newsexp->d;
+ c->pos = newhead + used;
+ c->sexp = newsexp;
+ }
+}
+
+
+/* Unquote STRING of LENGTH and store it into BUF. The surrounding
+ quotes are must already be removed from STRING. We assume that the
+ quoted string is syntacillay correct. */
+static size_t
+unquote_string (const unsigned char *string, size_t length, unsigned char *buf)
+{
+ int esc = 0;
+ const unsigned char *s = string;
+ unsigned char *d = buf;
+ size_t n = length;
+
+ for (; n; n--, s++)
+ {
+ if (esc)
+ {
+ switch (*s)
+ {
+ case 'b': *d++ = '\b'; break;
+ case 't': *d++ = '\t'; break;
+ case 'v': *d++ = '\v'; break;
+ case 'n': *d++ = '\n'; break;
+ case 'f': *d++ = '\f'; break;
+ case 'r': *d++ = '\r'; break;
+ case '"': *d++ = '\"'; break;
+ case '\'': *d++ = '\''; break;
+ case '\\': *d++ = '\\'; break;
+
+ case '\r': /* ignore CR[,LF] */
+ if (n>1 && s[1] == '\n')
+ {
+ s++; n--;
+ }
+ esc = 0;
+ break;
+
+ case '\n': /* ignore LF[,CR] */
+ if (n>1 && s[1] == '\r')
+ {
+ s++; n--;
+ }
+ break;
+
+ case 'x': /* hex value */
+ if (n>2 && hexdigitp (s+1) && hexdigitp (s+2))
+ {
+ s++; n--;
+ *d++ = xtoi_2 (s);
+ s++; n--;
+ }
+ break;
+
+ default:
+ if (n>2 && octdigitp (s) && octdigitp (s+1) && octdigitp (s+2))
+ {
+ *d++ = (atoi_1 (s)*64) + (atoi_1 (s+1)*8) + atoi_1 (s+2);
+ s += 2;
+ n -= 2;
+ }
+ break;
+ }
+ esc = 0;
+ }
+ else if( *s == '\\' )
+ esc = 1;
+ else
+ *d++ = *s;
+ }
+
+ return d - buf;
+}
+
+/****************
+ * Scan the provided buffer and return the S expression in our internal
+ * format. Returns a newly allocated expression. If erroff is not NULL and
+ * a parsing error has occured, the offset into buffer will be returned.
+ * If ARGFLAG is true, the function supports some printf like
+ * expressions.
+ * These are:
+ * %m - MPI
+ * %s - string (no autoswitch to secure allocation)
+ * %d - integer stored as string (no autoswitch to secure allocation)
+ * %b - memory buffer; this takes _two_ arguments: an integer with the
+ * length of the buffer and a pointer to the buffer.
+ * all other format elements are currently not defined and return an error.
+ * this includes the "%%" sequence becauce the percent sign is not an
+ * allowed character.
+ * FIXME: We should find a way to store the secure-MPIs not in the string
+ * but as reference to somewhere - this can help us to save huge amounts
+ * of secure memory. The problem is, that if only one element is secure, all
+ * other elements are automagicaly copied to secure memory too, so the most
+ * common operation gcry_sexp_cdr_mpi() will always return a secure MPI
+ * regardless whether it is needed or not.
+ */
+static gcry_error_t
+sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *buffer, size_t length, int argflag,
+ va_list arg_ptr, void **arg_list)
+{
+ gcry_err_code_t err = GPG_ERR_NO_ERROR;
+ static const char tokenchars[] =
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "0123456789-./_:*+=";
+ const char *p;
+ size_t n;
+ const char *digptr = NULL;
+ const char *quoted = NULL;
+ const char *tokenp = NULL;
+ const char *hexfmt = NULL;
+ const char *base64 = NULL;
+ const char *disphint = NULL;
+ const char *percent = NULL;
+ int hexcount = 0;
+ int quoted_esc = 0;
+ int datalen = 0;
+ size_t dummy_erroff;
+ struct make_space_ctx c;
+ int arg_counter = 0;
+ int level = 0;
+
+ /* FIXME: invent better error codes (?). */
+
+ if (! erroff)
+ erroff = &dummy_erroff;
+
+ /* Depending on wether ARG_LIST is non-zero or not, this macro gives
+ us the next argument, either from the variable argument list as
+ specified by ARG_PTR or from the argument array ARG_LIST. */
+#define ARG_NEXT(storage, type) \
+ do \
+ { \
+ if (! arg_list) \
+ storage = va_arg (arg_ptr, type); \
+ else \
+ storage = *((type *) (arg_list[arg_counter++])); \
+ } \
+ while (0)
+
+#define MAKE_SPACE(n) do { make_space ( &c, (n) ); } while (0)
+#define STORE_LEN(p,n) do { \
+ DATALEN ashort = (n); \
+ memcpy ( (p), &ashort, sizeof(ashort) ); \
+ (p) += sizeof (ashort); \
+ } while (0)
+
+ /* We assume that the internal representation takes less memory
+ * than the provided one. However, we add space for one extra datalen
+ * so that the code which does the ST_CLOSE can use MAKE_SPACE */
+ c.allocated = length + sizeof(DATALEN);
+ if (buffer && length && gcry_is_secure (buffer))
+ c.sexp = gcry_xmalloc_secure (sizeof *c.sexp + c.allocated - 1);
+ else
+ c.sexp = gcry_xmalloc (sizeof *c.sexp + c.allocated - 1);
+ c.pos = c.sexp->d;
+
+ for (p = buffer, n = length; n; p++, n--)
+ {
+ if (tokenp && (! hexfmt))
+ {
+ if (strchr (tokenchars, *p))
+ continue;
+ else
+ {
+ datalen = p - tokenp;
+ MAKE_SPACE (datalen);
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, datalen);
+ memcpy (c.pos, tokenp, datalen);
+ c.pos += datalen;
+ tokenp = NULL;
+ }
+ }
+
+ if (quoted)
+ {
+ if (quoted_esc)
+ {
+ switch (*p)
+ {
+ case 'b': case 't': case 'v': case 'n': case 'f':
+ case 'r': case '"': case '\'': case '\\':
+ quoted_esc = 0;
+ break;
+
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7':
+ if (! ((n > 2)
+ && (p[1] >= '0') && (p[1] <= '7')
+ && (p[2] >= '0') && (p[2] <= '7')))
+ {
+ *erroff = p - buffer;
+ /* Invalid octal value. */
+ err = GPG_ERR_SEXP_BAD_QUOTATION;
+ //return gcry_error (GPG_ERR_SEXP_BAD_QUOTATION);
+ }
+ p += 2;
+ n -= 2;
+ quoted_esc = 0;
+ break;
+
+ case 'x':
+ if (! ((n > 2) && isxdigit(p[1]) && isxdigit(p[2])))
+ {
+ *erroff = p - buffer;
+ /* Invalid hex value. */
+ err = GPG_ERR_SEXP_BAD_QUOTATION;
+ //return gcry_error (GPG_ERR_SEXP_BAD_QUOTATION);
+ }
+ p += 2;
+ n -= 2;
+ quoted_esc = 0;
+ break;
+
+ case '\r':
+ /* ignore CR[,LF] */
+ if (n && (p[1] == '\n'))
+ {
+ p++;
+ n--;
+ }
+ quoted_esc = 0;
+ break;
+
+ case '\n':
+ /* ignore LF[,CR] */
+ if (n && (p[1] == '\r'))
+ {
+ p++;
+ n--;
+ }
+ quoted_esc = 0;
+ break;
+
+ default:
+ *erroff = p - buffer;
+ /* Invalid quoted string escape. */
+ err = GPG_ERR_SEXP_BAD_QUOTATION;
+ }
+ }
+ else if (*p == '\\')
+ quoted_esc = 1;
+ else if (*p == '\"')
+ {
+ /* Keep it easy - we know that the unquoted string will
+ never be larger. */
+ char *save;
+ size_t len;
+
+ quoted++; /* Skip leading quote. */
+ MAKE_SPACE (p - quoted);
+ *c.pos++ = ST_DATA;
+ save = c.pos;
+ STORE_LEN (c.pos, 0); /* Will be fixed up later. */
+ len = unquote_string (quoted, p - quoted, c.pos);
+ c.pos += len;
+ STORE_LEN (save, len);
+ quoted = NULL;
+ }
+ }
+ else if (hexfmt)
+ {
+ if (isxdigit (*p))
+ hexcount++;
+ else if (*p == '#')
+ {
+ if ((hexcount & 1))
+ {
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_ODD_HEX_NUMBERS;
+ }
+
+ datalen = hexcount / 2;
+ MAKE_SPACE (datalen);
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, datalen);
+ for (hexfmt++; hexfmt < p; hexfmt++)
+ {
+ if (isspace (*hexfmt))
+ continue;
+ *c.pos++ = hextobyte (hexfmt);
+ hexfmt++;
+ }
+ hexfmt = NULL;
+ }
+ else if (! isspace (*p))
+ {
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_BAD_HEX_CHAR;
+ }
+ }
+ else if (base64)
+ {
+ if (*p == '|')
+ base64 = NULL;
+ }
+ else if (digptr)
+ {
+ if (isdigit (*p))
+ ;
+ else if (*p == ':')
+ {
+ datalen = atoi (digptr); /* FIXME: check for overflow. */
+ digptr = NULL;
+ if (datalen > n - 1)
+ {
+ *erroff = p - buffer;
+ /* Buffer too short. */
+ err = GPG_ERR_SEXP_STRING_TOO_LONG;
+ }
+ /* Make a new list entry. */
+ MAKE_SPACE (datalen);
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, datalen);
+ memcpy (c.pos, p + 1, datalen);
+ c.pos += datalen;
+ n -= datalen;
+ p += datalen;
+ }
+ else if (*p == '\"')
+ {
+ digptr = NULL; /* We ignore the optional length. */
+ quoted = p;
+ quoted_esc = 0;
+ }
+ else if (*p == '#')
+ {
+ digptr = NULL; /* We ignore the optional length. */
+ hexfmt = p;
+ hexcount = 0;
+ }
+ else if (*p == '|')
+ {
+ digptr = NULL; /* We ignore the optional length. */
+ base64 = p;
+ }
+ else
+ {
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_INV_LEN_SPEC;
+ }
+ }
+ else if (percent)
+ {
+ if (*p == 'm')
+ {
+ /* Insert an MPI. */
+ gcry_mpi_t m;
+ size_t nm = 0;
+
+ ARG_NEXT (m, gcry_mpi_t);
+
+ if (gcry_mpi_print (GCRYMPI_FMT_STD, NULL, 0, &nm, m))
+ BUG ();
+
+ MAKE_SPACE (nm);
+ if ((! gcry_is_secure (c.sexp->d))
+ && gcry_mpi_get_flag ( m, GCRYMPI_FLAG_SECURE))
+ {
+ /* We have to switch to secure allocation. */
+ gcry_sexp_t newsexp;
+ byte *newhead;
+
+ newsexp = gcry_xmalloc_secure (sizeof *newsexp
+ + c.allocated - 1);
+ newhead = newsexp->d;
+ memcpy (newhead, c.sexp->d, (c.pos - c.sexp->d));
+ c.pos = newhead + (c.pos - c.sexp->d);
+ gcry_free (c.sexp);
+ c.sexp = newsexp;
+ }
+
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, nm);
+ if (gcry_mpi_print (GCRYMPI_FMT_STD, c.pos, nm, &nm, m))
+ BUG ();
+ c.pos += nm;
+ }
+ else if (*p == 's')
+ {
+ /* Insert an string. */
+ const char *astr;
+ size_t alen;
+
+ ARG_NEXT (astr, const char *);
+ alen = strlen (astr);
+
+ MAKE_SPACE (alen);
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, alen);
+ memcpy (c.pos, astr, alen);
+ c.pos += alen;
+ }
+ else if (*p == 'b')
+ {
+ /* Insert a memory buffer. */
+ const char *astr;
+ int alen;
+
+ ARG_NEXT (alen, int);
+ ARG_NEXT (astr, const char *);
+
+ MAKE_SPACE (alen);
+ if (alen
+ && !gcry_is_secure (c.sexp->d)
+ && gcry_is_secure (astr))
+ {
+ /* We have to switch to secure allocation. */
+ gcry_sexp_t newsexp;
+ byte *newhead;
+
+ newsexp = gcry_xmalloc_secure (sizeof *newsexp
+ + c.allocated - 1);
+ newhead = newsexp->d;
+ memcpy (newhead, c.sexp->d, (c.pos - c.sexp->d));
+ c.pos = newhead + (c.pos - c.sexp->d);
+ gcry_free (c.sexp);
+ c.sexp = newsexp;
+ }
+
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, alen);
+ memcpy (c.pos, astr, alen);
+ c.pos += alen;
+ }
+ else if (*p == 'd')
+ {
+ /* Insert an integer as string. */
+ int aint;
+ size_t alen;
+ char buf[20];
+
+ ARG_NEXT (aint, int);
+ sprintf (buf, "%d", aint);
+ alen = strlen (buf);
+ MAKE_SPACE (alen);
+ *c.pos++ = ST_DATA;
+ STORE_LEN (c.pos, alen);
+ memcpy (c.pos, buf, alen);
+ c.pos += alen;
+ }
+ else
+ {
+ *erroff = p - buffer;
+ /* Invalid format specifier. */
+ err = GPG_ERR_SEXP_INV_LEN_SPEC;
+ }
+ percent = NULL;
+ }
+ else if (*p == '(')
+ {
+ if (disphint)
+ {
+ *erroff = p - buffer;
+ /* Open display hint. */
+ err = GPG_ERR_SEXP_UNMATCHED_DH;
+ }
+ MAKE_SPACE (0);
+ *c.pos++ = ST_OPEN;
+ level++;
+ }
+ else if (*p == ')')
+ {
+ /* Walk up. */
+ if (disphint)
+ {
+ *erroff = p - buffer;
+ /* Open display hint. */
+ err = GPG_ERR_SEXP_UNMATCHED_DH;
+ }
+ MAKE_SPACE (0);
+ *c.pos++ = ST_CLOSE;
+ level--;
+ }
+ else if (*p == '\"')
+ {
+ quoted = p;
+ quoted_esc = 0;
+ }
+ else if (*p == '#')
+ {
+ hexfmt = p;
+ hexcount = 0;
+ }
+ else if (*p == '|')
+ base64 = p;
+ else if (*p == '[')
+ {
+ if (disphint)
+ {
+ *erroff = p - buffer;
+ /* Open display hint. */
+ err = GPG_ERR_SEXP_NESTED_DH;
+ }
+ disphint = p;
+ }
+ else if (*p == ']')
+ {
+ if (! disphint)
+ {
+ *erroff = p - buffer;
+ /* Open display hint. */
+ err = GPG_ERR_SEXP_UNMATCHED_DH;
+ }
+ disphint = NULL;
+ }
+ else if (isdigit (*p))
+ {
+ if (*p == '0')
+ {
+ /* A length may not begin with zero. */
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_ZERO_PREFIX;
+ }
+ digptr = p;
+ }
+ else if (strchr (tokenchars, *p))
+ tokenp = p;
+ else if (isspace (*p))
+ ;
+ else if (*p == '{')
+ {
+ /* fixme: handle rescanning: we can do this by saving our
+ current state and start over at p+1 -- Hmmm. At this
+ point here we are in a well defined state, so we don't
+ need to save it. Great. */
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_UNEXPECTED_PUNC;
+ }
+ else if (strchr ("&\\", *p))
+ {
+ /* Reserved punctuation. */
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_UNEXPECTED_PUNC;
+ }
+ else if (argflag && (*p == '%'))
+ percent = p;
+ else
+ {
+ /* Bad or unavailable. */
+ *erroff = p - buffer;
+ err = GPG_ERR_SEXP_BAD_CHARACTER;
+ }
+ }
+ MAKE_SPACE (0);
+ *c.pos++ = ST_STOP;
+
+ if (level)
+ err = GPG_ERR_SEXP_UNMATCHED_PAREN;
+
+ if (err)
+ {
+ /* Error -> deallocate. */
+ if (c.sexp)
+ {
+ /* Extra paranoid wipe on error. */
+ if (gcry_is_secure (c.sexp))
+ wipememory (c.sexp, sizeof (struct gcry_sexp) + c.allocated - 1);
+ gcry_free (c.sexp);
+ }
+ /* This might be expected by existing code... */
+ *retsexp = NULL;
+ }
+ else
+ *retsexp = normalize (c.sexp);
+
+ return gcry_error (err);
+#undef MAKE_SPACE
+#undef STORE_LEN
+}
+
+gcry_error_t
+gcry_sexp_build (gcry_sexp_t *retsexp, size_t *erroff, const char *format, ...)
+{
+ gcry_error_t rc;
+ va_list arg_ptr;
+
+ va_start (arg_ptr, format);
+ rc = sexp_sscan (retsexp, erroff, format, strlen(format), 1,
+ arg_ptr, NULL);
+ va_end (arg_ptr);
+
+ return rc;
+}
+
+/* Like gcry_sexp_build, but uses an array instead of variable
+ function arguments. */
+gcry_error_t
+gcry_sexp_build_array (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *format, void **arg_list)
+{
+ /* We don't need the va_list because it is controlled by the
+ following flag, however we have to pass it but can't initialize
+ it as there is no portable way to do so. volatile is needed to
+ suppress the compiler warning */
+ volatile va_list dummy_arg_ptr;
+
+ gcry_error_t rc;
+
+ rc = sexp_sscan (retsexp, erroff, format, strlen(format), 1,
+ dummy_arg_ptr, arg_list);
+
+ return rc;
+}
+
+gcry_error_t
+gcry_sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *buffer, size_t length)
+{
+ /* We don't need the va_list because it is controlled by the
+ following flag, however we have to pass it but can't initialize
+ it as there is no portable way to do so. volatile is needed to
+ suppress the compiler warning */
+ volatile va_list dummy_arg_ptr;
+
+ return sexp_sscan (retsexp, erroff, buffer, length, 0,
+ dummy_arg_ptr, NULL);
+}
+
+
+/* Figure out a suitable encoding for BUFFER of LENGTH.
+ Returns: 0 = Binary
+ 1 = String possible
+ 2 = Token possible
+*/
+static int
+suitable_encoding (const unsigned char *buffer, size_t length)
+{
+ const unsigned char *s;
+ int maybe_token = 1;
+
+ if (!length)
+ return 1;
+
+ for (s=buffer; length; s++, length--)
+ {
+ if ( (*s < 0x20 || (*s >= 0x7f && *s <= 0xa0))
+ && !strchr ("\b\t\v\n\f\r\"\'\\", *s))
+ return 0; /*binary*/
+ if ( maybe_token
+ && !alphap (s) && !digitp (s) && !strchr (TOKEN_SPECIALS, *s))
+ maybe_token = 0;
+ }
+ s = buffer;
+ if ( maybe_token && !digitp (s) )
+ return 2;
+ return 1;
+}
+
+
+static int
+convert_to_hex (const unsigned char *src, size_t len, unsigned char *dest)
+{
+ int i;
+
+ if (dest)
+ {
+ *dest++ = '#';
+ for (i=0; i < len; i++, dest += 2 )
+ sprintf (dest, "%02X", src[i]);
+ *dest++ = '#';
+ }
+ return len*2+2;
+}
+
+static int
+convert_to_string (const unsigned char *s, size_t len, unsigned char *dest)
+{
+ if (dest)
+ {
+ unsigned char *p = dest;
+ *p++ = '\"';
+ for (; len; len--, s++ )
+ {
+ switch (*s)
+ {
+ case '\b': *p++ = '\\'; *p++ = 'b'; break;
+ case '\t': *p++ = '\\'; *p++ = 't'; break;
+ case '\v': *p++ = '\\'; *p++ = 'v'; break;
+ case '\n': *p++ = '\\'; *p++ = 'n'; break;
+ case '\f': *p++ = '\\'; *p++ = 'f'; break;
+ case '\r': *p++ = '\\'; *p++ = 'r'; break;
+ case '\"': *p++ = '\\'; *p++ = '\"'; break;
+ case '\'': *p++ = '\\'; *p++ = '\''; break;
+ case '\\': *p++ = '\\'; *p++ = '\\'; break;
+ default:
+ if ( (*s < 0x20 || (*s >= 0x7f && *s <= 0xa0)))
+ {
+ sprintf (p, "\\x%02x", *s);
+ p += 4;
+ }
+ else
+ *p++ = *s;
+ }
+ }
+ *p++ = '\"';
+ return p - dest;
+ }
+ else
+ {
+ int count = 2;
+ for (; len; len--, s++ )
+ {
+ switch (*s)
+ {
+ case '\b':
+ case '\t':
+ case '\v':
+ case '\n':
+ case '\f':
+ case '\r':
+ case '\"':
+ case '\'':
+ case '\\': count += 2; break;
+ default:
+ if ( (*s < 0x20 || (*s >= 0x7f && *s <= 0xa0)))
+ count += 4;
+ else
+ count++;
+ }
+ }
+ return count;
+ }
+}
+
+
+
+static int
+convert_to_token (const unsigned char *src, size_t len, unsigned char *dest)
+{
+ if (dest)
+ memcpy (dest, src, len);
+ return len;
+}
+
+
+/****************
+ * Print SEXP to buffer using the MODE. Returns the length of the
+ * SEXP in buffer or 0 if the buffer is too short (We have at least an
+ * empty list consisting of 2 bytes). If a buffer of NULL is provided,
+ * the required length is returned.
+ */
+size_t
+gcry_sexp_sprint( const gcry_sexp_t list, int mode,
+ char *buffer, size_t maxlength )
+{
+ static byte empty[3] = { ST_OPEN, ST_CLOSE, ST_STOP };
+ const byte *s;
+ char *d;
+ DATALEN n;
+ char numbuf[20];
+ size_t len = 0;
+ int i, indent = 0;
+
+ s = list? list->d : empty;
+ d = buffer;
+ while ( *s != ST_STOP )
+ {
+ switch ( *s )
+ {
+ case ST_OPEN:
+ s++;
+ if ( mode != GCRYSEXP_FMT_CANON )
+ {
+ if (indent)
+ len++;
+ len += indent;
+ }
+ len++;
+ if ( buffer )
+ {
+ if ( len >= maxlength )
+ return 0;
+ if ( mode != GCRYSEXP_FMT_CANON )
+ {
+ if (indent)
+ *d++ = '\n';
+ for (i=0; i < indent; i++)
+ *d++ = ' ';
+ }
+ *d++ = '(';
+ }
+ indent++;
+ break;
+ case ST_CLOSE:
+ s++;
+ len++;
+ if ( buffer )
+ {
+ if ( len >= maxlength )
+ return 0;
+ *d++ = ')';
+ }
+ indent--;
+ if (*s != ST_OPEN && *s != ST_STOP && mode != GCRYSEXP_FMT_CANON)
+ {
+ len++;
+ len += indent;
+ if (buffer)
+ {
+ if (len >= maxlength)
+ return 0;
+ *d++ = '\n';
+ for (i=0; i < indent; i++)
+ *d++ = ' ';
+ }
+ }
+ break;
+ case ST_DATA:
+ s++;
+ memcpy ( &n, s, sizeof n ); s += sizeof n;
+ if (mode == GCRYSEXP_FMT_ADVANCED)
+ {
+ int type;
+ size_t nn;
+
+ switch ( (type=suitable_encoding (s, n)))
+ {
+ case 1: nn = convert_to_string (s, n, NULL); break;
+ case 2: nn = convert_to_token (s, n, NULL); break;
+ default: nn = convert_to_hex (s, n, NULL); break;
+ }
+ len += nn;
+ if (buffer)
+ {
+ if (len >= maxlength)
+ return 0;
+ switch (type)
+ {
+ case 1: convert_to_string (s, n, d); break;
+ case 2: convert_to_token (s, n, d); break;
+ default: convert_to_hex (s, n, d); break;
+ }
+ d += nn;
+ }
+ if (s[n] != ST_CLOSE)
+ {
+ len++;
+ if (buffer)
+ {
+ if (len >= maxlength)
+ return 0;
+ *d++ = ' ';
+ }
+ }
+ }
+ else
+ {
+ sprintf (numbuf, "%u:", (unsigned int)n );
+ len += strlen (numbuf) + n;
+ if ( buffer )
+ {
+ if ( len >= maxlength )
+ return 0;
+ d = stpcpy ( d, numbuf );
+ memcpy ( d, s, n ); d += n;
+ }
+ }
+ s += n;
+ break;
+ default:
+ BUG ();
+ }
+ }
+ if ( mode != GCRYSEXP_FMT_CANON )
+ {
+ len++;
+ if (buffer)
+ {
+ if ( len >= maxlength )
+ return 0;
+ *d++ = '\n';
+ }
+ }
+ if (buffer)
+ {
+ if ( len >= maxlength )
+ return 0;
+ *d++ = 0; /* for convenience we make a C string */
+ }
+ else
+ len++; /* we need one byte more for this */
+
+ return len;
+}
+
+
+/* Scan a cannocial encoded buffer with implicit length values and
+ return the actual length this S-expression uses. For a valid S-Exp
+ it should never return 0. If LENGTH is not zero, the maximum
+ length to scan is given - this can be used for syntax checks of
+ data passed from outside. errorcode and erroff may both be passed as
+ NULL. */
+size_t
+gcry_sexp_canon_len (const unsigned char *buffer, size_t length,
+ size_t *erroff, gcry_error_t *errcode)
+{
+ const unsigned char *p;
+ const char *disphint=NULL;
+ unsigned int datalen = 0;
+ size_t dummy_erroff;
+ gcry_error_t dummy_errcode;
+ size_t count = 0;
+ int level = 0;
+
+ if (!erroff)
+ erroff = &dummy_erroff;
+ if (!errcode)
+ errcode = &dummy_errcode;
+
+ *errcode = gcry_error (GPG_ERR_NO_ERROR);
+ *erroff = 0;
+ if (!buffer)
+ return 0;
+ if (*buffer != '(')
+ {
+ *errcode = gcry_error (GPG_ERR_SEXP_NOT_CANONICAL);
+ return 0;
+ }
+
+ for (p=buffer; ; p++, count++ )
+ {
+ if (length && count >= length)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_STRING_TOO_LONG);
+ return 0;
+ }
+
+ if (datalen)
+ {
+ if (*p == ':')
+ {
+ if (length && (count+datalen) >= length)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_STRING_TOO_LONG);
+ return 0;
+ }
+ count += datalen;
+ p += datalen;
+ datalen = 0;
+ }
+ else if (digitp(p))
+ datalen = datalen*10 + atoi_1(p);
+ else
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_INV_LEN_SPEC);
+ return 0;
+ }
+ }
+ else if (*p == '(')
+ {
+ if (disphint)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_UNMATCHED_DH);
+ return 0;
+ }
+ level++;
+ }
+ else if (*p == ')')
+ { /* walk up */
+ if (!level)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_UNMATCHED_PAREN);
+ return 0;
+ }
+ if (disphint)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_UNMATCHED_DH);
+ return 0;
+ }
+ if (!--level)
+ return ++count; /* ready */
+ }
+ else if (*p == '[')
+ {
+ if (disphint)
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_NESTED_DH);
+ return 0;
+ }
+ disphint = p;
+ }
+ else if (*p == ']')
+ {
+ if( !disphint )
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_UNMATCHED_DH);
+ return 0;
+ }
+ disphint = NULL;
+ }
+ else if (digitp (p) )
+ {
+ if (*p == '0')
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_ZERO_PREFIX);
+ return 0;
+ }
+ datalen = atoi_1 (p);
+ }
+ else if (*p == '&' || *p == '\\')
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_UNEXPECTED_PUNC);
+ return 0;
+ }
+ else
+ {
+ *erroff = count;
+ *errcode = gcry_error (GPG_ERR_SEXP_BAD_CHARACTER);
+ return 0;
+ }
+ }
+}
diff --git a/pwmanager/libcrypt/crypt/stdmem.c b/pwmanager/libcrypt/crypt/stdmem.c
new file mode 100644
index 0000000..659bc4e
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/stdmem.c
@@ -0,0 +1,195 @@
+/* stdmem.c - private memory allocator
+ * Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "g10lib.h"
+#include "stdmem.h"
+#include "secmem.h"
+
+
+#define MAGIC_NOR_BYTE 0x55
+#define MAGIC_SEC_BYTE 0xcc
+#define MAGIC_END_BYTE 0xaa
+
+#if SIZEOF_UNSIGNED_LONG == 8
+#define EXTRA_ALIGN 4
+#else
+#define EXTRA_ALIGN 0
+#endif
+
+
+static int use_m_guard = 0;
+
+/****************
+ * Warning: Never use this function after any of the functions
+ * here have been used.
+ */
+void
+_gcry_private_enable_m_guard(void)
+{
+ use_m_guard = 1;
+}
+
+/****************
+ * Allocate memory of size n.
+ * Return NULL if we are out of memory.
+ */
+void *
+_gcry_private_malloc( size_t n)
+{
+ if(!n)
+ return NULL; /* allocating 0 bytes is undefined - better return
+ an error */
+ if( use_m_guard ) {
+ char *p;
+
+ if( !(p = malloc( n + EXTRA_ALIGN+5 )) )
+ return NULL;
+ ((byte*)p)[EXTRA_ALIGN+0] = n;
+ ((byte*)p)[EXTRA_ALIGN+1] = n >> 8 ;
+ ((byte*)p)[EXTRA_ALIGN+2] = n >> 16 ;
+ ((byte*)p)[EXTRA_ALIGN+3] = MAGIC_NOR_BYTE;
+ p[4+EXTRA_ALIGN+n] = MAGIC_END_BYTE;
+ return p+EXTRA_ALIGN+4;
+ }
+ else {
+ return malloc( n );
+ }
+}
+
+/****************
+ * Allocate memory of size n from the secure memory pool.
+ * Return NULL if we are out of memory.
+ */
+void *
+_gcry_private_malloc_secure( size_t n)
+{
+ if(!n)
+ return NULL; /* allocating 0 bytes is undefined - better return
+ an error */
+ if( use_m_guard ) {
+ char *p;
+
+ if( !(p = _gcry_secmem_malloc( n +EXTRA_ALIGN+ 5 )) )
+ return NULL;
+ ((byte*)p)[EXTRA_ALIGN+0] = n;
+ ((byte*)p)[EXTRA_ALIGN+1] = n >> 8 ;
+ ((byte*)p)[EXTRA_ALIGN+2] = n >> 16 ;
+ ((byte*)p)[EXTRA_ALIGN+3] = MAGIC_SEC_BYTE;
+ p[4+EXTRA_ALIGN+n] = MAGIC_END_BYTE;
+ return p+EXTRA_ALIGN+4;
+ }
+ else {
+ return _gcry_secmem_malloc( n );
+ }
+}
+
+
+/****************
+ * realloc and clear the old space
+ * Return NULL if there is not enoug memory.
+ */
+void *
+_gcry_private_realloc( void *a, size_t n )
+{
+ if( use_m_guard ) {
+ unsigned char *p = a;
+ char *b;
+ size_t len;
+
+ if (!a)
+ return _gcry_private_malloc(n);
+
+ _gcry_private_check_heap(p);
+ len = p[-4];
+ len |= p[-3] << 8;
+ len |= p[-2] << 16;
+ if( len >= n ) /* we don't shrink for now */
+ return a;
+ if( p[-1] == MAGIC_SEC_BYTE )
+ b = _gcry_private_malloc_secure(n);
+ else
+ b = _gcry_private_malloc(n);
+ if( !b )
+ return NULL;
+ memcpy(b, a, len );
+ memset(b+len, 0, n-len );
+ _gcry_private_free( p );
+ return b;
+ }
+ else if( _gcry_private_is_secure(a) ) {
+ return _gcry_secmem_realloc( a, n );
+ }
+ else {
+ return realloc( a, n );
+ }
+}
+
+
+void
+_gcry_private_check_heap( const void *a )
+{
+ if( use_m_guard ) {
+ const byte *p = a;
+ size_t len;
+
+ if( !p )
+ return;
+
+ if( !(p[-1] == MAGIC_NOR_BYTE || p[-1] == MAGIC_SEC_BYTE) )
+ _gcry_log_fatal("memory at %p corrupted (underflow=%02x)\n", p, p[-1] );
+ len = p[-4];
+ len |= p[-3] << 8;
+ len |= p[-2] << 16;
+ if( p[len] != MAGIC_END_BYTE )
+ _gcry_log_fatal("memory at %p corrupted (overflow=%02x)\n", p, p[-1] );
+ }
+}
+
+/****************
+ * Free a memory block allocated by this opr the secmem module
+ */
+void
+_gcry_private_free( void *a )
+{
+ byte *p = a;
+
+ if( !p )
+ return;
+ if( use_m_guard ) {
+ _gcry_private_check_heap(p);
+ if( _gcry_private_is_secure(a) )
+ _gcry_secmem_free(p-EXTRA_ALIGN-4);
+ else {
+ free(p-EXTRA_ALIGN-4);
+ }
+ }
+ else if( _gcry_private_is_secure(a) )
+ _gcry_secmem_free(p);
+ else
+ free(p);
+}
+
+
diff --git a/pwmanager/libcrypt/crypt/stdmem.h b/pwmanager/libcrypt/crypt/stdmem.h
new file mode 100644
index 0000000..cf83f68
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/stdmem.h
@@ -0,0 +1,32 @@
+/* stdmem.h - internal definitions for stdmem
+ * Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef G10_STDMEM_H
+#define G10_STDMEM_H 1
+
+void _gcry_private_enable_m_guard(void);
+
+void *_gcry_private_malloc (size_t n) GCC_ATTR_MALLOC;
+void *_gcry_private_malloc_secure (size_t n) GCC_ATTR_MALLOC;
+void *_gcry_private_realloc (void *a, size_t n);
+void _gcry_private_check_heap (const void *a);
+void _gcry_private_free (void *a);
+
+#endif /* G10_STDMEM_H */
diff --git a/pwmanager/libcrypt/crypt/types.h b/pwmanager/libcrypt/crypt/types.h
new file mode 100644
index 0000000..c3a9d93
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/types.h
@@ -0,0 +1,124 @@
+/* types.h - some common typedefs
+ * Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser general Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef GCRYPT_TYPES_H
+#define GCRYPT_TYPES_H
+
+
+/* The AC_CHECK_SIZEOF() in configure fails for some machines.
+ * we provide some fallback values here */
+#if !SIZEOF_UNSIGNED_SHORT
+#undef SIZEOF_UNSIGNED_SHORT
+#define SIZEOF_UNSIGNED_SHORT 2
+#endif
+#if !SIZEOF_UNSIGNED_INT
+#undef SIZEOF_UNSIGNED_INT
+#define SIZEOF_UNSIGNED_INT 4
+#endif
+#if !SIZEOF_UNSIGNED_LONG
+#undef SIZEOF_UNSIGNED_LONG
+#define SIZEOF_UNSIGNED_LONG 4
+#endif
+
+
+#include <sys/types.h>
+
+
+#ifndef HAVE_BYTE_TYPEDEF
+#undef byte /* maybe there is a macro with this name */
+ typedef unsigned char byte;
+#define HAVE_BYTE_TYPEDEF
+#endif
+
+#ifndef HAVE_USHORT_TYPEDEF
+#undef ushort /* maybe there is a macro with this name */
+ typedef unsigned short ushort;
+#define HAVE_USHORT_TYPEDEF
+#endif
+
+#ifndef HAVE_ULONG_TYPEDEF
+#undef ulong /* maybe there is a macro with this name */
+ typedef unsigned long ulong;
+#define HAVE_ULONG_TYPEDEF
+#endif
+
+#ifndef HAVE_U16_TYPEDEF
+#undef u16 /* maybe there is a macro with this name */
+#if SIZEOF_UNSIGNED_INT == 2
+ typedef unsigned int u16;
+#elif SIZEOF_UNSIGNED_SHORT == 2
+ typedef unsigned short u16;
+#else
+#error no typedef for u16
+#endif
+#define HAVE_U16_TYPEDEF
+#endif
+
+#ifndef HAVE_U32_TYPEDEF
+#undef u32 /* maybe there is a macro with this name */
+#if SIZEOF_UNSIGNED_INT == 4
+ typedef unsigned int u32;
+#elif SIZEOF_UNSIGNED_LONG == 4
+ typedef unsigned long u32;
+#else
+#error no typedef for u32
+#endif
+#define HAVE_U32_TYPEDEF
+#endif
+
+/****************
+ * Warning: Some systems segfault when this u64 typedef and
+ * the dummy code in cipher/md.c is not available. Examples are
+ * Solaris and IRIX.
+ */
+#ifndef HAVE_U64_TYPEDEF
+#undef u64 /* maybe there is a macro with this name */
+#if SIZEOF_UNSIGNED_INT == 8
+ typedef unsigned int u64;
+#define U64_C(c) (c ## U)
+#define HAVE_U64_TYPEDEF
+#elif SIZEOF_UNSIGNED_LONG == 8
+ typedef unsigned long u64;
+#define U64_C(c) (c ## UL)
+#define HAVE_U64_TYPEDEF
+#elif SIZEOF_UNSIGNED_LONG_LONG == 8
+ typedef unsigned long long u64;
+#define U64_C(c) (c ## ULL)
+#define HAVE_U64_TYPEDEF
+#elif SIZEOF_UINT64_T == 8
+ typedef uint64_t u64;
+#define U64_C(c) (UINT64_C(c))
+#define HAVE_U64_TYPEDEF
+#endif
+#endif
+
+typedef union {
+ int a;
+ short b;
+ char c[1];
+ long d;
+#ifdef HAVE_U64_TYPEDEF
+ u64 e;
+#endif
+ float f;
+ double g;
+} PROPERLY_ALIGNED_TYPE;
+
+#endif /*GCRYPT_TYPES_H*/