forgotten files

[avr-crypto-lib.git] / md5.h

diff --git a/md5.h b/md5.h
index 24fb6d543a1df319526d06a54e5078e7b49b7aff..6b65c4a67888aa15118278cf7d149027108e7640 100644 (file)
--- a/md5.h
+++ b/md5.h
@@ -1,3 +1,21 @@
+/* md5.h */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 /* 
  * File:       md5.h
  * Author:     Daniel Otte
@@ -13,14 +31,25 @@
 
 #include <stdint.h>
 
+
+#define MD5_HASH_BITS  128
+#define MD5_HASH_BYTES (MD5_HASH_BITS/8)
+#define MD5_BLOCK_BITS 512
+#define MD5_BLOCK_BYTES (MD5_BLOCK_BITS/8)
+
+
 typedef struct md5_ctx_st {
        uint32_t a[4];
        uint32_t counter;
 } md5_ctx_t;
 
+typedef uint8_t md5_hash_t[MD5_HASH_BYTES];
+
  
 void md5_init(md5_ctx_t *s);
-void md5_nextBlock(md5_ctx_t *state, void* block);
-void md5_lastBlock(md5_ctx_t *state, void* block, uint16_t length);
+void md5_nextBlock(md5_ctx_t *state, const void* block);
+void md5_lastBlock(md5_ctx_t *state, const void* block, uint16_t length);
+void md5_ctx2hash(md5_hash_t* dest, const md5_ctx_t* state);
+void md5(md5_hash_t* dest, const void* msg, uint32_t length_b);
 
 #endif /*MD5_H_*/