1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
3 #include "tomcrypt_private.h"
4
5 /**
6 @file ofb_decrypt.c
7 OFB implementation, decrypt data, Tom St Denis
8 */
9
10 #ifdef LTC_OFB_MODE
11
12 /**
13 OFB decrypt
14 @param ct Ciphertext
15 @param pt [out] Plaintext
16 @param len Length of ciphertext (octets)
17 @param ofb OFB state
18 @return CRYPT_OK if successful
19 */
ofb_decrypt(const unsigned char * ct,unsigned char * pt,unsigned long len,symmetric_OFB * ofb)20 int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb)
21 {
22 LTC_ARGCHK(pt != NULL);
23 LTC_ARGCHK(ct != NULL);
24 LTC_ARGCHK(ofb != NULL);
25 return ofb_encrypt(ct, pt, len, ofb);
26 }
27
28
29 #endif
30
31
32