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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.
*/
#include "tomcrypt.h"
/**
@file crypt_unregister_cipher.c
Unregister a cipher, Tom St Denis
*/
/**
Unregister a cipher from the descriptor table
@param cipher The cipher descriptor to remove
@return CRYPT_OK on success
*/
int unregister_cipher(const struct ltc_cipher_descriptor *cipher)
{
int x;
LTC_ARGCHK(cipher != NULL);
/* is it already registered? */
LTC_MUTEX_LOCK(<c_cipher_mutex);
for (x = 0; x < TAB_SIZE; x++) {
if (XMEMCMP(&cipher_descriptor[x], cipher, sizeof(struct ltc_cipher_descriptor)) == 0) {
cipher_descriptor[x].name = NULL;
cipher_descriptor[x].ID = 255;
LTC_MUTEX_UNLOCK(<c_cipher_mutex);
return CRYPT_OK;
}
}
LTC_MUTEX_UNLOCK(<c_cipher_mutex);
return CRYPT_ERROR;
}
/* ref: HEAD -> master, tag: v1.18.2 */
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
/* commit time: 2018-07-01 22:49:01 +0200 */