Mercurial > dropbear

annotate libtomcrypt/src/misc/crypt/crypt_find_prng.c @ 1435:f849a5ca2efc

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update to libtomcrypt 1.17 (with Dropbear changes)
author Matt Johnston <matt@ucc.asn.au>
date Sat, 24 Jun 2017 17:50:50 +0800
parents 0cbe8f6dbf9e
children 6dba84798cd5
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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://libtom.org
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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_find_prng.c
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15 Find a PRNG, Tom St Denis
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16 */
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18 /**
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19 Find a registered PRNG by name
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20 @param name The name of the PRNG to look for
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21 @return >= 0 if found, -1 if not present
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22 */
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23 int find_prng(const char *name)
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24 {
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25 int x;
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26 LTC_ARGCHK(name != NULL);
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27 LTC_MUTEX_LOCK(&ltc_prng_mutex);
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28 for (x = 0; x < TAB_SIZE; x++) {
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29 if ((prng_descriptor[x].name != NULL) && XSTRCMP(prng_descriptor[x].name, name) == 0) {
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30 LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
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31 return x;
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32 }
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33 }
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34 LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
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35 return -1;
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36 }
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38
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39 /* $Source$ */
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40 /* $Revision$ */
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41 /* $Date$ */