Update changelog.

[l2tpns.git] / md5.h

diff --git a/md5.h b/md5.h
index cf6eee8..25a59e0 100644 (file)
--- a/md5.h
+++ b/md5.h
@@ -1,70 +1,29 @@
-/* GLOBAL.H - RSAREF types and constants
+/*
+ * This is an OpenSSL-compatible implementation of the RSA Data Security,
+ * Inc. MD5 Message-Digest Algorithm.
+ *
+ * Written by Solar Designer <solar at openwall.com> in 2001, and placed
+ * in the public domain.  See md5.c for more information.
  */
 
-/* PROTOTYPES should be set to one if and only if the compiler supports
-  function argument prototyping.
-The following makes PROTOTYPES default to 0 if it has not already
-
-  been defined with C compiler flags.
- */
-#ifndef PROTOTYPES
-#define PROTOTYPES 0
-#endif
-
-/* POINTER defines a generic pointer type */
-typedef unsigned char *POINTER;
-
-/* UINT2 defines a two byte word */
-typedef unsigned short int UINT2;
-
-/* UINT4 defines a four byte word */
-typedef unsigned long int UINT4;
-
-/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
-If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
-  returns an empty list.
- */
-#if PROTOTYPES
-#define PROTO_LIST(list) list
-#else
-#define PROTO_LIST(list) ()
-#endif
+#ifndef __MD5_H__
+#define __MD5_H__
 
+#define        MD5_DIGEST_SZ   16
+#define        MD5_BLOCK_SZ    64
 
-/* MD5.H - header file for MD5C.C
- */
-
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
- */
+/* Any 32-bit or wider unsigned integer data type will do */
+typedef unsigned long MD5_u32plus;
 
-/* MD5 context. */
 typedef struct {
-  UINT4 state[4];                                   /* state (ABCD) */
-  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
-  unsigned char buffer[64];                         /* input buffer */
+    MD5_u32plus lo, hi;
+    MD5_u32plus a, b, c, d;
+    unsigned char buffer[MD5_BLOCK_SZ];
+    MD5_u32plus block[MD5_DIGEST_SZ];
 } MD5_CTX;
 
-void MD5Init PROTO_LIST ((MD5_CTX *));
-void MD5Update PROTO_LIST
-  ((MD5_CTX *, unsigned char *, unsigned int));
-void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
+extern void MD5_Init(MD5_CTX *ctx);
+extern void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size);
+extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
 
+#endif /* __MD5_H__ */