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comparison src/encauth/ocb/ocb_done_encrypt.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
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 */
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