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comparison libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c @ 297:79bf1023cf11 agent-client

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propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712) to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b)
author Matt Johnston <matt@ucc.asn.au>
date Tue, 21 Mar 2006 16:20:59 +0000
parents 1b9e69c058d2
children 0cbe8f6dbf9e
comparison
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225:ca7e76d981d9 297:79bf1023cf11
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_hash_is_valid.c
15 Determine if hash is valid, Tom St Denis
16 */
17
18 /*
19 Test if a hash index is valid
20 @param idx The index of the hash to search for
21 @return CRYPT_OK if valid
22 */
23 int hash_is_valid(int idx)
24 {
25 LTC_MUTEX_LOCK(&ltc_hash_mutex);
26 if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) {
27 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
28 return CRYPT_INVALID_HASH;
29 }
30 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
31 return CRYPT_OK;
32 }
33
34 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c,v $ */
35 /* $Revision: 1.4 $ */
36 /* $Date: 2005/06/19 18:00:28 $ */