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/*
* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef HEADER_HMAC_LCL_H
# define HEADER_HMAC_LCL_H
/* The current largest case is for SHA3-224 */
#define HMAC_MAX_MD_CBLOCK_SIZE 144
struct hmac_ctx_st {
const EVP_MD *md;
EVP_MD_CTX *md_ctx;
EVP_MD_CTX *i_ctx;
EVP_MD_CTX *o_ctx;
unsigned int key_length;
unsigned char key[HMAC_MAX_MD_CBLOCK_SIZE];
};
#endif
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