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comparison libtomcrypt/src/misc/crypt/crypt_find_hash_id.c @ 330:5488db2e9e4e

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merge of 332f709a4cb39cde4cedab7c3be89e05f3023067 and ca4ca78b82c5d430c69ce01bf794e8886ce81431
author Matt Johnston <matt@ucc.asn.au>
date Sat, 10 Jun 2006 16:39:40 +0000
parents 1b9e69c058d2
children 0cbe8f6dbf9e
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329:8ed0dce45126 330:5488db2e9e4e
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, [email protected], http://libtomcrypt.org
10 */
11 #include "tomcrypt.h"
12
13 /**
14 @file crypt_find_hash_id.c
15 Find hash by ID, Tom St Denis
16 */
17
18 /**
19 Find a hash by ID number
20 @param ID The ID (not same as index) of the hash to find
21 @return >= 0 if found, -1 if not present
22 */
23 int find_hash_id(unsigned char ID)
24 {
25 int x;
26 LTC_MUTEX_LOCK(&ltc_hash_mutex);
27 for (x = 0; x < TAB_SIZE; x++) {
28 if (hash_descriptor[x].ID == ID) {
29 x = (hash_descriptor[x].name == NULL) ? -1 : x;
30 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
31 return x;
32 }
33 }
34 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
35 return -1;
36 }
37
38 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash_id.c,v $ */
39 /* $Revision: 1.5 $ */
40 /* $Date: 2005/06/19 18:03:25 $ */