core/lib/libtomcrypt/src/modes/cbc/cbc_done.c

// SPDX-License-Identifier: BSD-2-Clause
/* 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.
 */
#include "tomcrypt_private.h"

/**
   @file cbc_done.c
   CBC implementation, finish chain, Tom St Denis
*/

#ifdef LTC_CBC_MODE

/** Terminate the chain
  @param cbc    The CBC chain to terminate
  @return CRYPT_OK on success
*/
int cbc_done(symmetric_CBC *cbc)
{
   int err;
   LTC_ARGCHK(cbc != NULL);

   if ((err = cipher_is_valid(cbc->cipher)) != CRYPT_OK) {
      return err;
   }
   cipher_descriptor[cbc->cipher]->done(&cbc->key);
   return CRYPT_OK;
}



#endif

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