HardenedBSD/contrib/opie/libopie/hash.c
2000-04-10 11:18:54 +00:00

71 lines
1.7 KiB
C

/* hash.c: The opiehash() library function.
%%% copyright-cmetz-96
This software is Copyright 1996-1998 by Craig Metz, All Rights Reserved.
The Inner Net License Version 2 applies to this software.
You should have received a copy of the license with this software. If
you didn't get a copy, you may request one from <license@inner.net>.
History:
Updated by cmetz for OPIE 2.31. Added SHA support (which may
not be correct). Backed out previous optimizations as
they killed thread-safety.
Created by cmetz for OPIE 2.3 using the old hash.c as a guide.
$FreeBSD$
*/
#include "opie_cfg.h"
#if 0
#include "sha.h"
#endif /* 0 */
#include "opie.h"
#include <md4.h>
#include <md5.h>
VOIDRET opiehash FUNCTION((x, algorithm), VOIDPTR x AND unsigned algorithm)
{
UINT4 *results = (UINT4 *)x;
switch(algorithm) {
#if 0
case 3:
{
SHA_CTX sha;
SHAInit(&sha);
SHAUpdate(&sha, (unsigned char *)x, 8);
SHAFinal(&sha);
results[0] = sha.buffer[0] ^ sha.buffer[2] ^ sha.buffer[4];
results[1] = sha.buffer[1] ^ sha.buffer[3];
};
break;
#endif /* 0 */
case 4:
{
MD4_CTX mdx;
UINT4 mdx_tmp[4];
MD4Init(&mdx);
MD4Update(&mdx, (unsigned char *)x, 8);
MD4Final((unsigned char *)mdx_tmp, &mdx);
results[0] = mdx_tmp[0] ^ mdx_tmp[2];
results[1] = mdx_tmp[1] ^ mdx_tmp[3];
};
break;
case 5:
{
MD5_CTX mdx;
UINT4 mdx_tmp[4];
MD5Init(&mdx);
MD5Update(&mdx, (unsigned char *)x, 8);
MD5Final((unsigned char *)mdx_tmp, &mdx);
results[0] = mdx_tmp[0] ^ mdx_tmp[2];
results[1] = mdx_tmp[1] ^ mdx_tmp[3];
};
break;
}
}