// 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 crypt_find_prng.c
  Find a PRNG, Tom St Denis
*/

/**
   Find a registered PRNG by name
   @param name   The name of the PRNG to look for
   @return >= 0 if found, -1 if not present
*/
int find_prng(const char *name)
{
   int x;
   LTC_ARGCHK(name != NULL);
   LTC_MUTEX_LOCK(&ltc_prng_mutex);
   for (x = 0; x < TAB_SIZE; x++) {
       if ((prng_descriptor[x] != NULL) && XSTRCMP(prng_descriptor[x]->name, name) == 0) {
          LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
          return x;
       }
   }
   LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
   return -1;
}


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