/* 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 crypt_unregister_hash.c
Unregister a hash, Tom St Denis
*/
/**
Unregister a hash from the descriptor table
@param hash The hash descriptor to remove
@return CRYPT_OK on success
*/
int unregister_hash(const struct ltc_hash_descriptor *hash)
{
int x;
LTC_ARGCHK(hash != NULL);
/* is it already registered? */
LTC_MUTEX_LOCK(<c_hash_mutex);
for (x = 0; x < TAB_SIZE; x++) {
if (XMEMCMP(&hash_descriptor[x], hash, sizeof(struct ltc_hash_descriptor)) == 0) {
hash_descriptor[x].name = NULL;
LTC_MUTEX_UNLOCK(<c_hash_mutex);
return CRYPT_OK;
}
}
LTC_MUTEX_UNLOCK(<c_hash_mutex);
return CRYPT_ERROR;
}
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */