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/* hash.c: The opiehash() library function.
%%% copyright-cmetz-96
This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
The Inner Net License Version 3 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:
Modified by cmetz for OPIE 2.4. Use struct opie_otpkey for binary arg.
Modified 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.
*/
#include "opie_cfg.h"
#if 0
#include "sha.h"
#endif /* 0 */
#include "opie.h"
VOIDRET opiehash FUNCTION((x, algorithm), struct opie_otpkey *results AND
unsigned algorithm)
{
switch(algorithm) {
#if 0
case 3:
{
SHA_CTX sha;
SHAInit(&sha);
SHAUpdate(&sha, (unsigned char *)results, 8);
SHAFinal(&sha);
results->words[0] = sha.buffer[0] ^ sha.buffer[2] ^ sha.buffer[4];
results->words[1] = sha.buffer[1] ^ sha.buffer[3];
};
break;
#endif /* 0 */
case 4:
{
struct opiemdx_ctx mdx;
UINT4 mdx_tmp[4];
opiemd4init(&mdx);
opiemd4update(&mdx, (unsigned char *)results, 8);
opiemd4final((unsigned char *)mdx_tmp, &mdx);
results->words[0] = mdx_tmp[0] ^ mdx_tmp[2];
results->words[1] = mdx_tmp[1] ^ mdx_tmp[3];
};
break;
case 5:
{
struct opiemdx_ctx mdx;
UINT4 mdx_tmp[4];
opiemd5init(&mdx);
opiemd5update(&mdx, (unsigned char *)results, 8);
opiemd5final((unsigned char *)mdx_tmp, &mdx);
results->words[0] = mdx_tmp[0] ^ mdx_tmp[2];
results->words[1] = mdx_tmp[1] ^ mdx_tmp[3];
};
break;
}
}
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