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comparison libtomcrypt/src/misc/crypt/crypt_find_hash_id.c @ 399:a707e6148060

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merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834' and '6b61c50f4cf888bea302ac8fcf5dbb573b443251'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:34 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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394:17d097fc111c 399:a707e6148060
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.com
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: 1.6 $ */
40 /* $Date: 2006/03/31 14:15:35 $ */