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comparison libtomcrypt/src/modes/ctr/ctr_start.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 ctr_start.c 12 @file ctr_start.c
19 #ifdef LTC_CTR_MODE 17 #ifdef LTC_CTR_MODE
20 18
21 /** 19 /**
22 Initialize a CTR context 20 Initialize a CTR context
23 @param cipher The index of the cipher desired 21 @param cipher The index of the cipher desired
24 @param IV The initial vector 22 @param IV The initialization vector
25 @param key The secret key 23 @param key The secret key
26 @param keylen The length of the secret key (octets) 24 @param keylen The length of the secret key (octets)
27 @param num_rounds Number of rounds in the cipher desired (0 for default) 25 @param num_rounds Number of rounds in the cipher desired (0 for default)
28 @param ctr_mode The counter mode (CTR_COUNTER_LITTLE_ENDIAN or CTR_COUNTER_BIG_ENDIAN) 26 @param ctr_mode The counter mode (CTR_COUNTER_LITTLE_ENDIAN or CTR_COUNTER_BIG_ENDIAN)
29 @param ctr The CTR state to initialize 27 @param ctr The CTR state to initialize
30 @return CRYPT_OK if successful 28 @return CRYPT_OK if successful
31 */ 29 */
32 int ctr_start( int cipher, 30 int ctr_start( int cipher,
33 const unsigned char *IV, 31 const unsigned char *IV,
34 const unsigned char *key, int keylen, 32 const unsigned char *key, int keylen,
35 int num_rounds, int ctr_mode, 33 int num_rounds, int ctr_mode,
36 symmetric_CTR *ctr) 34 symmetric_CTR *ctr)
37 { 35 {
38 int x, err; 36 int x, err;
39 37
89 } 87 }
90 } 88 }
91 } 89 }
92 } 90 }
93 91
94 return cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key); 92 return cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key);
95 } 93 }
96 94
97 #endif 95 #endif
98 96
99 /* $Source$ */ 97 /* ref: $Format:%D$ */
100 /* $Revision$ */ 98 /* git commit: $Format:%H$ */
101 /* $Date$ */ 99 /* commit time: $Format:%ai$ */