/* 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. * * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org */#include "tomcrypt.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(&ltc_hash_mutex);   for (x = 0; x < TAB_SIZE; x++) {       if (memcmp(&hash_descriptor[x], hash, sizeof(struct ltc_hash_descriptor)) == 0) {          hash_descriptor[x].name = NULL;          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);          return CRYPT_OK;       }   }   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);   return CRYPT_ERROR;}/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_unregister_hash.c,v $ *//* $Revision: 1.4 $ *//* $Date: 2005/06/19 18:00:28 $ */