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comparison libtomcrypt/src/misc/crypt/crypt_find_cipher_any.c @ 1511:5916af64acd4 fuzz

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merge from main
author Matt Johnston <matt@ucc.asn.au>
date Sat, 17 Feb 2018 19:29:51 +0800
parents 6dba84798cd5
children
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1457:32f990cc96b1 1511:5916af64acd4
3 * LibTomCrypt is a library that provides various cryptographic 3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtom.org
10 */ 8 */
11 #include "tomcrypt.h" 9 #include "tomcrypt.h"
12 10
13 /** 11 /**
14 @file crypt_find_cipher_any.c 12 @file crypt_find_cipher_any.c
15 Find a cipher in the descriptor tables, Tom St Denis 13 Find a cipher in the descriptor tables, Tom St Denis
16 */ 14 */
17 15
18 /** 16 /**
19 Find a cipher flexibly. First by name then if not present by block and key size 17 Find a cipher flexibly. First by name then if not present by block and key size
20 @param name The name of the cipher desired 18 @param name The name of the cipher desired
21 @param blocklen The minimum length of the block cipher desired (octets) 19 @param blocklen The minimum length of the block cipher desired (octets)
22 @param keylen The minimum length of the key size desired (octets) 20 @param keylen The minimum length of the key size desired (octets)
23 @return >= 0 if found, -1 if not present 21 @return >= 0 if found, -1 if not present
24 */ 22 */
25 int find_cipher_any(const char *name, int blocklen, int keylen) 23 int find_cipher_any(const char *name, int blocklen, int keylen)
26 { 24 {
27 int x; 25 int x;
28 26
29 LTC_ARGCHK(name != NULL); 27 if(name != NULL) {
30 28 x = find_cipher(name);
31 x = find_cipher(name); 29 if (x != -1) return x;
32 if (x != -1) return x; 30 }
33 31
34 LTC_MUTEX_LOCK(&ltc_cipher_mutex); 32 LTC_MUTEX_LOCK(&ltc_cipher_mutex);
35 for (x = 0; x < TAB_SIZE; x++) { 33 for (x = 0; x < TAB_SIZE; x++) {
36 if (cipher_descriptor[x].name == NULL) { 34 if (cipher_descriptor[x].name == NULL) {
37 continue; 35 continue;
43 } 41 }
44 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex); 42 LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
45 return -1; 43 return -1;
46 } 44 }
47 45
48 /* $Source$ */ 46 /* ref: $Format:%D$ */
49 /* $Revision$ */ 47 /* git commit: $Format:%H$ */
50 /* $Date$ */ 48 /* commit time: $Format:%ai$ */