freebsd-skq/contrib/opie/libopie/hashlen.c

58 lines
1.4 KiB
C

/* hashlen.c: The opiehashlen() library function.
%%% copyright-cmetz
This software is Copyright 1996 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:
Created by cmetz for OPIE 2.3.
*/
#include "opie_cfg.h"
#include "opie.h"
#include <md4.h>
#include <md5.h>
VOIDRET opiehashlen FUNCTION((algorithm, in, out, n), int algorithm AND VOIDPTR in AND VOIDPTR out AND int n)
{
UINT4 *results = (UINT4 *)out;
UINT4 mdx_tmp[4];
#if 0
SHA_INFO sha;
#endif /* 0 */
switch(algorithm) {
#if 0
case 3:
sha_init(&sha);
sha_update(&sha, (BYTE *)in, n);
sha_final(&sha);
results[0] = sha.digest[0] ^ sha.digest[2] ^ sha.digest[4];
results[1] = sha.digest[1] ^ sha.digest[3] ^ sha.digest[5];
break;
#endif /* 0 */
case 4: {
MD4_CTX mdx;
MD4Init(&mdx);
MD4Update(&mdx, (unsigned char *)in, n);
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;
MD5Init(&mdx);
MD5Update(&mdx, (unsigned char *)in, n);
MD5Final((unsigned char *)mdx_tmp, &mdx);
results[0] = mdx_tmp[0] ^ mdx_tmp[2];
results[1] = mdx_tmp[1] ^ mdx_tmp[3];
break;
}
}
}