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comparison src/modes/ofb/ofb_decrypt.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 ofb_decrypt.c
15 OFB implementation, decrypt data, Tom St Denis
16 */
17
18 #ifdef OFB
19
20 /**
21 OFB decrypt
22 @param ct Ciphertext
23 @param pt [out] Plaintext
24 @param len Length of ciphertext (octets)
25 @param ofb OFB state
26 @return CRYPT_OK if successful
27 */
28 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb)
29 {
30 LTC_ARGCHK(pt != NULL);
31 LTC_ARGCHK(ct != NULL);
32 LTC_ARGCHK(ofb != NULL);
33 return ofb_encrypt(ct, pt, len, ofb);
34 }
35
36
37 #endif
38
39