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