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comparison libtomcrypt/src/misc/crypt/crypt_find_cipher_id.c @ 285:1b9e69c058d2

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
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children 0cbe8f6dbf9e
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281:997e6f7dc01e 285:1b9e69c058d2
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_cipher_id.c
15 Find cipher by ID, Tom St Denis
16 */
17
18 /**
19 Find a cipher by ID number
20 @param ID The ID (not same as index) of the cipher to find
21 @return >= 0 if found, -1 if not present
22 */
23 int find_cipher_id(unsigned char ID)
24 {
25 int x;
26 LTC_MUTEX_LOCK(&ltc_cipher_mutex);
27 for (x = 0; x < TAB_SIZE; x++) {
28 if (cipher_descriptor[x].ID == ID) {
29 x = (cipher_descriptor[x].name == NULL) ? -1 : x;
30 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
31 return x;
32 }
33 }
34 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
35 return -1;
36 }
37
38 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_cipher_id.c,v $ */
39 /* $Revision: 1.4 $ */
40 /* $Date: 2005/06/19 18:00:28 $ */