1/* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 *
9 * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
10 */
11#include "tomcrypt.h"
12
13/**
14  @file crypt_find_hash_oid.c
15  Find a hash, Tom St Denis
16*/
17
18int find_hash_oid(const unsigned long *ID, unsigned long IDlen)
19{
20   int x;
21   LTC_ARGCHK(ID != NULL);
22   LTC_MUTEX_LOCK(&ltc_hash_mutex);
23   for (x = 0; x < TAB_SIZE; x++) {
24       if (hash_descriptor[x].name != NULL && hash_descriptor[x].OIDlen == IDlen && !XMEMCMP(hash_descriptor[x].OID, ID, sizeof(unsigned long) * IDlen)) {
25          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
26          return x;
27       }
28   }
29   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
30   return -1;
31}
32
33/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash_oid.c,v $ */
34/* $Revision: 1.4 $ */
35/* $Date: 2006/11/01 09:28:17 $ */
36