summaryrefslogtreecommitdiffabout
path: root/kmicromail/libetpan/tools/hmac-md5.h
authorzautrix <zautrix>2004-07-03 16:33:12 (UTC)
committer zautrix <zautrix>2004-07-03 16:33:12 (UTC)
commite3b89230f065c48c84b48c88edb6eb088374c487 (patch) (side-by-side diff)
tree162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/tools/hmac-md5.h
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
downloadkdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.zip
kdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.tar.gz
kdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.tar.bz2
Initial revision
Diffstat (limited to 'kmicromail/libetpan/tools/hmac-md5.h') (more/less context) (ignore whitespace changes)
-rw-r--r--kmicromail/libetpan/tools/hmac-md5.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/kmicromail/libetpan/tools/hmac-md5.h b/kmicromail/libetpan/tools/hmac-md5.h
new file mode 100644
index 0000000..2ae6098
--- a/dev/null
+++ b/kmicromail/libetpan/tools/hmac-md5.h
@@ -0,0 +1,94 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2002 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* hmac-md5.h -- HMAC_MD5 functions
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef HMAC_MD5_H
+#define HMAC_MD5_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define HMAC_MD5_SIZE 16
+
+/* intermediate MD5 context */
+typedef struct HMAC_MD5_CTX_s {
+ MD5_CTX ictx, octx;
+} HMAC_MD5_CTX;
+
+/* intermediate HMAC state
+ * values stored in network byte order (Big Endian)
+ */
+typedef struct HMAC_MD5_STATE_s {
+ UINT4 istate[4];
+ UINT4 ostate[4];
+} HMAC_MD5_STATE;
+
+/* One step hmac computation
+ *
+ * digest may be same as text or key
+ */
+void hmac_md5(const unsigned char *text, int text_len,
+ const unsigned char *key, int key_len,
+ unsigned char digest[HMAC_MD5_SIZE]);
+
+/* create context from key
+ */
+void hmac_md5_init(HMAC_MD5_CTX *hmac,
+ const unsigned char *key, int key_len);
+
+/* precalculate intermediate state from key
+ */
+void hmac_md5_precalc(HMAC_MD5_STATE *hmac,
+ const unsigned char *key, int key_len);
+
+/* initialize context from intermediate state
+ */
+void hmac_md5_import(HMAC_MD5_CTX *hmac, HMAC_MD5_STATE *state);
+
+#define hmac_md5_update(hmac, text, text_len) MD5Update(&(hmac)->ictx, (text), (text_len))
+
+/* finish hmac from intermediate result. Intermediate result is zeroed.
+ */
+void hmac_md5_final(unsigned char digest[HMAC_MD5_SIZE],
+ HMAC_MD5_CTX *hmac);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HMAC_MD5_H */