2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #ifndef HEADER_HMAC_LCL_H
11 # define HEADER_HMAC_LCL_H
13 /* The current largest case is for SHA3-224 */
14 #define HMAC_MAX_MD_CBLOCK_SIZE 144
21 unsigned int key_length;
22 unsigned char key[HMAC_MAX_MD_CBLOCK_SIZE];