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view src/md5/md5.h @ 221:8742d2cee364
added a note to the long vs. int question in md5.h
Solar Designer explained to me in privat conversation that the
int had performed much better on some systems and that 16bit
ints are very rare. Still I like using the long.
| author | meillo@marmaro.de |
|---|---|
| date | Fri, 23 Jul 2010 10:53:04 +0200 |
| parents | e0938c511243 |
| children |
line source
1 /*
2 * This is an OpenSSL-compatible implementation of the RSA Data Security,
3 * Inc. MD5 Message-Digest Algorithm (RFC 1321).
4 *
5 * Written by Solar Designer <solar at openwall.com> in 2001, and placed
6 * in the public domain. There's absolutely no warranty.
7 *
8 * See md5.c for more information.
9 */
11 #ifdef HAVE_OPENSSL
12 #include <openssl/md5.h>
13 #elif !defined(_MD5_H)
14 #define _MD5_H
16 /* Any 32-bit or wider unsigned integer data type will do */
17 /* Note: Using an int will work on most systems and might perform much better */
18 typedef unsigned long MD5_u32plus;
20 typedef struct {
21 MD5_u32plus lo, hi;
22 MD5_u32plus a, b, c, d;
23 unsigned char buffer[64];
24 MD5_u32plus block[16];
25 } MD5_CTX;
27 extern void MD5_Init(MD5_CTX *ctx);
28 extern void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size);
29 extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
31 #endif