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, tomstdenis@gmail.com, http://libtomcrypt.com
10 */
11
12 /**
13 @file ocb_done_encrypt.c
14 OCB implementation, terminate encryption, by Tom St Denis
15 */
16 #include "tomcrypt.h"
17
18 #ifdef OCB_MODE
19
20 /**
21 Terminate an encryption OCB state
22 @param ocb The OCB state
23 @param pt Remaining plaintext (if any)
24 @param ptlen The length of the plaintext (octets)
25 @param ct [out] The ciphertext (if any)
26 @param tag [out] The tag for the OCB stream
27 @param taglen [in/out] The max size and resulting size of the tag
28 @return CRYPT_OK if successful
29 */
ocb_done_encrypt(ocb_state * ocb,const unsigned char * pt,unsigned long ptlen,unsigned char * ct,unsigned char * tag,unsigned long * taglen)30 int ocb_done_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
31 unsigned char *ct, unsigned char *tag, unsigned long *taglen)
32 {
33 LTC_ARGCHK(ocb != NULL);
34 LTC_ARGCHK(pt != NULL);
35 LTC_ARGCHK(ct != NULL);
36 LTC_ARGCHK(tag != NULL);
37 LTC_ARGCHK(taglen != NULL);
38 return s_ocb_done(ocb, pt, ptlen, ct, tag, taglen, 0);
39 }
40
41 #endif
42
43
44 /* $Source: /cvs/libtom/libtomcrypt/src/encauth/ocb/ocb_done_encrypt.c,v $ */
45 /* $Revision: 1.4 $ */
46 /* $Date: 2006/03/31 14:15:35 $ */
47