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comparison libtomcrypt/src/modes/ctr/ctr_decrypt.c @ 285:1b9e69c058d2

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
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281:997e6f7dc01e 285:1b9e69c058d2
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 ctr_decrypt.c
15 CTR implementation, decrypt data, Tom St Denis
16 */
17
18 #ifdef CTR
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: 1.3 $ */
42 /* $Date: 2005/05/05 14:35:59 $ */