/* hashlen.c: The opiehashlen() library function.

%%% copyright-cmetz-96
This software is Copyright 1996-1997 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;
    }
  }
}