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comparison libtomcrypt/src/modes/ctr/ctr_decrypt.c @ 399:a707e6148060

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merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834' and '6b61c50f4cf888bea302ac8fcf5dbb573b443251'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:34 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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394:17d097fc111c 399:a707e6148060
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.com
10 */
11 #include "tomcrypt.h"
12
13 /**
14 @file ctr_decrypt.c
15 CTR implementation, decrypt data, Tom St Denis
16 */
17
18 #ifdef LTC_CTR_MODE
19
20 /**
21 CTR decrypt
22 @param ct Ciphertext
23 @param pt [out] Plaintext
24 @param len Length of ciphertext (octets)
25 @param ctr CTR state
26 @return CRYPT_OK if successful
27 */
28 int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr)
29 {
30 LTC_ARGCHK(pt != NULL);
31 LTC_ARGCHK(ct != NULL);
32 LTC_ARGCHK(ctr != NULL);
33
34 return ctr_encrypt(ct, pt, len, ctr);
35 }
36
37 #endif
38
39
40 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */
41 /* $Revision: 1.5 $ */
42 /* $Date: 2006/06/29 01:46:46 $ */