/* Copyright (c) (2019) Apple Inc. All rights reserved.
 *
 * corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
 * is contained in the License.txt file distributed with corecrypto) and only to 
 * people who accept that license. IMPORTANT:  Any license rights granted to you by 
 * Apple Inc. (if any) are limited to internal use within your organization only on 
 * devices and computers you own or control, for the sole purpose of verifying the 
 * security characteristics and correct functioning of the Apple Software.  You may 
 * not, directly or indirectly, redistribute the Apple Software or any portions thereof.
 */

#include <corecrypto/ccaes.h>
#include <corecrypto/ccmode_internal.h>
#include "ccmode_siv_hmac_internal.h"

static struct ccmode_siv_hmac siv_hmac_decrypt;

const struct ccmode_siv_hmac *ccaes_siv_hmac_sha256_decrypt_mode(void)
{
    if (!CC_CACHE_DESCRIPTORS || NULL == siv_hmac_decrypt.init) {
        ccmode_factory_siv_hmac_decrypt(&siv_hmac_decrypt, ccsha256_di(), ccaes_ctr_crypt_mode());
    }
    return &siv_hmac_decrypt;
}
