Mercurial > dropbear

annotate libtomcrypt/src/misc/crypt/crypt_find_hash_oid.c @ 1312:25989154b4ec

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author Matt Johnston <matt@ucc.asn.au>
date Thu, 21 Jul 2016 23:04:47 +0800
parents 0cbe8f6dbf9e
children f849a5ca2efc
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382
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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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12
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13 /**
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14 @file crypt_find_hash_oid.c
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15 Find a hash, Tom St Denis
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16 */
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17
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18 int find_hash_oid(const unsigned long *ID, unsigned long IDlen)
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19 {
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20 int x;
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21 LTC_ARGCHK(ID != NULL);
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22 LTC_MUTEX_LOCK(&ltc_hash_mutex);
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23 for (x = 0; x < TAB_SIZE; x++) {
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24 if (hash_descriptor[x].name != NULL && hash_descriptor[x].OIDlen == IDlen && !XMEMCMP(hash_descriptor[x].OID, ID, sizeof(unsigned long) * IDlen)) {
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25 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
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26 return x;
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27 }
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28 }
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29 LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
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30 return -1;
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31 }
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32
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33 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash_oid.c,v $ */
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34 /* $Revision: 1.4 $ */
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35 /* $Date: 2006/11/01 09:28:17 $ */