/* LibTomCrypt, modular cryptographic library -- Tom St Denis */

/* SPDX-License-Identifier: Unlicense */

#include "tomcrypt_private.h"

/**

  @file crypt_find_hash.c

  Find a hash, Tom St Denis

*/

/**

   Find a registered hash by name

   @param name   The name of the hash to look for

   @return >= 0 if found, -1 if not present

*/

int find_hash(const char *name)

{

   int x;

   LTC_ARGCHK(name != NULL);

   LTC_MUTEX_LOCK(&ltc_hash_mutex);

   for (x = 0; x < TAB_SIZE; x++) {

       if (hash_descriptor[x].name != NULL && XSTRCMP(hash_descriptor[x].name, name) == 0) {

          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);

          return x;

       }

   }

   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);

   return -1;

}