Initial revision

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diff --git a/pwmanager/libcrypt/crypt/mpi.h b/pwmanager/libcrypt/crypt/mpi.h
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+/* 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*/