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comparison src/modes/ctr/ctr_done.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 ctr_done.c
15 CTR implementation, finish chain, Tom St Denis
16 */
17
18 #ifdef CTR
19
20 /** Terminate the chain
21 @param ctr The CTR chain to terminate
22 @return CRYPT_OK on success
23 */
24 int ctr_done(symmetric_CTR *ctr)
25 {
26 int err;
27 LTC_ARGCHK(ctr != NULL);
28
29 if ((err = cipher_is_valid(ctr->cipher)) != CRYPT_OK) {
30 return err;
31 }
32 cipher_descriptor[ctr->cipher].done(&ctr->key);
33 return CRYPT_OK;
34 }
35
36
37
38 #endif