/* md5.c - Functions to compute MD5 message digest of files or memory blocks
according to the definition of MD5 in RFC 1321 from April 1992.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
- NOTE: The canonical source of this file is maintained with the GNU C
- Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+ NOTE: This source is derived from an old version taken from the GNU C
+ Library (glibc).
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
# endif
#endif
+#include "ansidecl.h"
#include "md5.h"
#ifdef _LIBC
md5_init_ctx (ctx)
struct md5_ctx *ctx;
{
- ctx->A = 0x67452301;
- ctx->B = 0xefcdab89;
- ctx->C = 0x98badcfe;
- ctx->D = 0x10325476;
+ ctx->A = (md5_uint32) 0x67452301;
+ ctx->B = (md5_uint32) 0xefcdab89;
+ ctx->C = (md5_uint32) 0x98badcfe;
+ ctx->D = (md5_uint32) 0x10325476;
ctx->total[0] = ctx->total[1] = 0;
ctx->buflen = 0;
ctx->buflen = (left_over + add) & 63;
}
- buffer = (const char *) buffer + add;
+ buffer = (const void *) ((const char *) buffer + add);
len -= add;
}
if (len > 64)
{
md5_process_block (buffer, len & ~63, ctx);
- buffer = (const char *) buffer + (len & ~63);
+ buffer = (const void *) ((const char *) buffer + (len & ~63));
len &= 63;
}
struct md5_ctx *ctx;
{
md5_uint32 correct_words[16];
- const md5_uint32 *words = buffer;
+ const md5_uint32 *words = (const md5_uint32 *) buffer;
size_t nwords = len / sizeof (md5_uint32);
const md5_uint32 *endp = words + nwords;
md5_uint32 A = ctx->A;
*/
/* Round 1. */
- OP (A, B, C, D, 7, 0xd76aa478);
- OP (D, A, B, C, 12, 0xe8c7b756);
- OP (C, D, A, B, 17, 0x242070db);
- OP (B, C, D, A, 22, 0xc1bdceee);
- OP (A, B, C, D, 7, 0xf57c0faf);
- OP (D, A, B, C, 12, 0x4787c62a);
- OP (C, D, A, B, 17, 0xa8304613);
- OP (B, C, D, A, 22, 0xfd469501);
- OP (A, B, C, D, 7, 0x698098d8);
- OP (D, A, B, C, 12, 0x8b44f7af);
- OP (C, D, A, B, 17, 0xffff5bb1);
- OP (B, C, D, A, 22, 0x895cd7be);
- OP (A, B, C, D, 7, 0x6b901122);
- OP (D, A, B, C, 12, 0xfd987193);
- OP (C, D, A, B, 17, 0xa679438e);
- OP (B, C, D, A, 22, 0x49b40821);
+ OP (A, B, C, D, 7, (md5_uint32) 0xd76aa478);
+ OP (D, A, B, C, 12, (md5_uint32) 0xe8c7b756);
+ OP (C, D, A, B, 17, (md5_uint32) 0x242070db);
+ OP (B, C, D, A, 22, (md5_uint32) 0xc1bdceee);
+ OP (A, B, C, D, 7, (md5_uint32) 0xf57c0faf);
+ OP (D, A, B, C, 12, (md5_uint32) 0x4787c62a);
+ OP (C, D, A, B, 17, (md5_uint32) 0xa8304613);
+ OP (B, C, D, A, 22, (md5_uint32) 0xfd469501);
+ OP (A, B, C, D, 7, (md5_uint32) 0x698098d8);
+ OP (D, A, B, C, 12, (md5_uint32) 0x8b44f7af);
+ OP (C, D, A, B, 17, (md5_uint32) 0xffff5bb1);
+ OP (B, C, D, A, 22, (md5_uint32) 0x895cd7be);
+ OP (A, B, C, D, 7, (md5_uint32) 0x6b901122);
+ OP (D, A, B, C, 12, (md5_uint32) 0xfd987193);
+ OP (C, D, A, B, 17, (md5_uint32) 0xa679438e);
+ OP (B, C, D, A, 22, (md5_uint32) 0x49b40821);
/* For the second to fourth round we have the possibly swapped words
in CORRECT_WORDS. Redefine the macro to take an additional first
argument specifying the function to use. */
#undef OP
-#define OP(f, a, b, c, d, k, s, T) \
+#define OP(a, b, c, d, k, s, T) \
do \
{ \
- a += f (b, c, d) + correct_words[k] + T; \
+ a += FX (b, c, d) + correct_words[k] + T; \
CYCLIC (a, s); \
a += b; \
} \
while (0)
+#define FX(b, c, d) FG (b, c, d)
+
/* Round 2. */
- OP (FG, A, B, C, D, 1, 5, 0xf61e2562);
- OP (FG, D, A, B, C, 6, 9, 0xc040b340);
- OP (FG, C, D, A, B, 11, 14, 0x265e5a51);
- OP (FG, B, C, D, A, 0, 20, 0xe9b6c7aa);
- OP (FG, A, B, C, D, 5, 5, 0xd62f105d);
- OP (FG, D, A, B, C, 10, 9, 0x02441453);
- OP (FG, C, D, A, B, 15, 14, 0xd8a1e681);
- OP (FG, B, C, D, A, 4, 20, 0xe7d3fbc8);
- OP (FG, A, B, C, D, 9, 5, 0x21e1cde6);
- OP (FG, D, A, B, C, 14, 9, 0xc33707d6);
- OP (FG, C, D, A, B, 3, 14, 0xf4d50d87);
- OP (FG, B, C, D, A, 8, 20, 0x455a14ed);
- OP (FG, A, B, C, D, 13, 5, 0xa9e3e905);
- OP (FG, D, A, B, C, 2, 9, 0xfcefa3f8);
- OP (FG, C, D, A, B, 7, 14, 0x676f02d9);
- OP (FG, B, C, D, A, 12, 20, 0x8d2a4c8a);
+ OP (A, B, C, D, 1, 5, (md5_uint32) 0xf61e2562);
+ OP (D, A, B, C, 6, 9, (md5_uint32) 0xc040b340);
+ OP (C, D, A, B, 11, 14, (md5_uint32) 0x265e5a51);
+ OP (B, C, D, A, 0, 20, (md5_uint32) 0xe9b6c7aa);
+ OP (A, B, C, D, 5, 5, (md5_uint32) 0xd62f105d);
+ OP (D, A, B, C, 10, 9, (md5_uint32) 0x02441453);
+ OP (C, D, A, B, 15, 14, (md5_uint32) 0xd8a1e681);
+ OP (B, C, D, A, 4, 20, (md5_uint32) 0xe7d3fbc8);
+ OP (A, B, C, D, 9, 5, (md5_uint32) 0x21e1cde6);
+ OP (D, A, B, C, 14, 9, (md5_uint32) 0xc33707d6);
+ OP (C, D, A, B, 3, 14, (md5_uint32) 0xf4d50d87);
+ OP (B, C, D, A, 8, 20, (md5_uint32) 0x455a14ed);
+ OP (A, B, C, D, 13, 5, (md5_uint32) 0xa9e3e905);
+ OP (D, A, B, C, 2, 9, (md5_uint32) 0xfcefa3f8);
+ OP (C, D, A, B, 7, 14, (md5_uint32) 0x676f02d9);
+ OP (B, C, D, A, 12, 20, (md5_uint32) 0x8d2a4c8a);
+
+#undef FX
+#define FX(b, c, d) FH (b, c, d)
/* Round 3. */
- OP (FH, A, B, C, D, 5, 4, 0xfffa3942);
- OP (FH, D, A, B, C, 8, 11, 0x8771f681);
- OP (FH, C, D, A, B, 11, 16, 0x6d9d6122);
- OP (FH, B, C, D, A, 14, 23, 0xfde5380c);
- OP (FH, A, B, C, D, 1, 4, 0xa4beea44);
- OP (FH, D, A, B, C, 4, 11, 0x4bdecfa9);
- OP (FH, C, D, A, B, 7, 16, 0xf6bb4b60);
- OP (FH, B, C, D, A, 10, 23, 0xbebfbc70);
- OP (FH, A, B, C, D, 13, 4, 0x289b7ec6);
- OP (FH, D, A, B, C, 0, 11, 0xeaa127fa);
- OP (FH, C, D, A, B, 3, 16, 0xd4ef3085);
- OP (FH, B, C, D, A, 6, 23, 0x04881d05);
- OP (FH, A, B, C, D, 9, 4, 0xd9d4d039);
- OP (FH, D, A, B, C, 12, 11, 0xe6db99e5);
- OP (FH, C, D, A, B, 15, 16, 0x1fa27cf8);
- OP (FH, B, C, D, A, 2, 23, 0xc4ac5665);
+ OP (A, B, C, D, 5, 4, (md5_uint32) 0xfffa3942);
+ OP (D, A, B, C, 8, 11, (md5_uint32) 0x8771f681);
+ OP (C, D, A, B, 11, 16, (md5_uint32) 0x6d9d6122);
+ OP (B, C, D, A, 14, 23, (md5_uint32) 0xfde5380c);
+ OP (A, B, C, D, 1, 4, (md5_uint32) 0xa4beea44);
+ OP (D, A, B, C, 4, 11, (md5_uint32) 0x4bdecfa9);
+ OP (C, D, A, B, 7, 16, (md5_uint32) 0xf6bb4b60);
+ OP (B, C, D, A, 10, 23, (md5_uint32) 0xbebfbc70);
+ OP (A, B, C, D, 13, 4, (md5_uint32) 0x289b7ec6);
+ OP (D, A, B, C, 0, 11, (md5_uint32) 0xeaa127fa);
+ OP (C, D, A, B, 3, 16, (md5_uint32) 0xd4ef3085);
+ OP (B, C, D, A, 6, 23, (md5_uint32) 0x04881d05);
+ OP (A, B, C, D, 9, 4, (md5_uint32) 0xd9d4d039);
+ OP (D, A, B, C, 12, 11, (md5_uint32) 0xe6db99e5);
+ OP (C, D, A, B, 15, 16, (md5_uint32) 0x1fa27cf8);
+ OP (B, C, D, A, 2, 23, (md5_uint32) 0xc4ac5665);
+
+#undef FX
+#define FX(b, c, d) FI (b, c, d)
/* Round 4. */
- OP (FI, A, B, C, D, 0, 6, 0xf4292244);
- OP (FI, D, A, B, C, 7, 10, 0x432aff97);
- OP (FI, C, D, A, B, 14, 15, 0xab9423a7);
- OP (FI, B, C, D, A, 5, 21, 0xfc93a039);
- OP (FI, A, B, C, D, 12, 6, 0x655b59c3);
- OP (FI, D, A, B, C, 3, 10, 0x8f0ccc92);
- OP (FI, C, D, A, B, 10, 15, 0xffeff47d);
- OP (FI, B, C, D, A, 1, 21, 0x85845dd1);
- OP (FI, A, B, C, D, 8, 6, 0x6fa87e4f);
- OP (FI, D, A, B, C, 15, 10, 0xfe2ce6e0);
- OP (FI, C, D, A, B, 6, 15, 0xa3014314);
- OP (FI, B, C, D, A, 13, 21, 0x4e0811a1);
- OP (FI, A, B, C, D, 4, 6, 0xf7537e82);
- OP (FI, D, A, B, C, 11, 10, 0xbd3af235);
- OP (FI, C, D, A, B, 2, 15, 0x2ad7d2bb);
- OP (FI, B, C, D, A, 9, 21, 0xeb86d391);
+ OP (A, B, C, D, 0, 6, (md5_uint32) 0xf4292244);
+ OP (D, A, B, C, 7, 10, (md5_uint32) 0x432aff97);
+ OP (C, D, A, B, 14, 15, (md5_uint32) 0xab9423a7);
+ OP (B, C, D, A, 5, 21, (md5_uint32) 0xfc93a039);
+ OP (A, B, C, D, 12, 6, (md5_uint32) 0x655b59c3);
+ OP (D, A, B, C, 3, 10, (md5_uint32) 0x8f0ccc92);
+ OP (C, D, A, B, 10, 15, (md5_uint32) 0xffeff47d);
+ OP (B, C, D, A, 1, 21, (md5_uint32) 0x85845dd1);
+ OP (A, B, C, D, 8, 6, (md5_uint32) 0x6fa87e4f);
+ OP (D, A, B, C, 15, 10, (md5_uint32) 0xfe2ce6e0);
+ OP (C, D, A, B, 6, 15, (md5_uint32) 0xa3014314);
+ OP (B, C, D, A, 13, 21, (md5_uint32) 0x4e0811a1);
+ OP (A, B, C, D, 4, 6, (md5_uint32) 0xf7537e82);
+ OP (D, A, B, C, 11, 10, (md5_uint32) 0xbd3af235);
+ OP (C, D, A, B, 2, 15, (md5_uint32) 0x2ad7d2bb);
+ OP (B, C, D, A, 9, 21, (md5_uint32) 0xeb86d391);
/* Add the starting values of the context. */
A += A_save;
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