Mercurial > dropbear

annotate libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c @ 447:278805938dcf

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Patch from Nicolai Ehemann to try binding before going to the background, so that if it exits early (because something's already listening etc) then it will return an exitcode of 1.
author Matt Johnston <matt@ucc.asn.au>
date Thu, 19 Jul 2007 15:54:18 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.com
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10 */
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11 #include "tomcrypt.h"
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13 /**
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14 @file crypt_hash_is_valid.c
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15 Determine if hash is valid, Tom St Denis
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16 */
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18 /*
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19 Test if a hash index is valid
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20 @param idx The index of the hash to search for
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21 @return CRYPT_OK if valid
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22 */
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23 int hash_is_valid(int idx)
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24 {
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25 LTC_MUTEX_LOCK(&ltc_hash_mutex);
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26 if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) {
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27 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
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28 return CRYPT_INVALID_HASH;
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29 }
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30 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
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31 return CRYPT_OK;
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32 }
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34 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c,v $ */
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35 /* $Revision: 1.5 $ */
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36 /* $Date: 2006/03/31 14:15:35 $ */