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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
*/
#include "tomcrypt.h"
/**
@file ctr_done.c
CTR implementation, finish chain, Tom St Denis
*/
#ifdef LTC_CTR_MODE
/** Terminate the chain
@param ctr The CTR chain to terminate
@return CRYPT_OK on success
*/
int ctr_done(symmetric_CTR *ctr)
{
int err;
LTC_ARGCHK(ctr != NULL);
if ((err = cipher_is_valid(ctr->cipher)) != CRYPT_OK) {
return err;
}
cipher_descriptor[ctr->cipher].done(&ctr->key);
return CRYPT_OK;
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
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