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comparison src/misc/crypt/crypt_unregister_prng.c @ 191:1c15b283127b libtomcrypt-orig

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Import of libtomcrypt 1.02 with manual path rename rearrangement etc
author Matt Johnston <matt@ucc.asn.au>
date Fri, 06 May 2005 13:23:02 +0000
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children 39d5d58461d6
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143:5d99163f7e32 191:1c15b283127b
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_unregister_prng.c
15 Unregister a PRNG, Tom St Denis
16 */
17
18 /**
19 Unregister a PRNG from the descriptor table
20 @param prng The PRNG descriptor to remove
21 @return CRYPT_OK on success
22 */
23 int unregister_prng(const struct ltc_prng_descriptor *prng)
24 {
25 int x;
26
27 LTC_ARGCHK(prng != NULL);
28
29 /* is it already registered? */
30 for (x = 0; x < TAB_SIZE; x++) {
31 if (memcmp(&prng_descriptor[x], prng, sizeof(struct ltc_prng_descriptor)) != 0) {
32 prng_descriptor[x].name = NULL;
33 return CRYPT_OK;
34 }
35 }
36 return CRYPT_ERROR;
37 }