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annotate 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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191
1c15b283127b Import of libtomcrypt 1.02 with manual path rename rearrangement etc
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.org
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10 */
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11 #include "tomcrypt.h"
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12
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13 /**
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14 @file ctr_done.c
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15 CTR implementation, finish chain, Tom St Denis
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16 */
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17
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18 #ifdef CTR
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19
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20 /** Terminate the chain
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21 @param ctr The CTR chain to terminate
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22 @return CRYPT_OK on success
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23 */
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24 int ctr_done(symmetric_CTR *ctr)
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25 {
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26 int err;
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27 LTC_ARGCHK(ctr != NULL);
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28
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29 if ((err = cipher_is_valid(ctr->cipher)) != CRYPT_OK) {
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30 return err;
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31 }
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32 cipher_descriptor[ctr->cipher].done(&ctr->key);
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33 return CRYPT_OK;
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34 }
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35
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36
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37
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38 #endif