| 1 | /*
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| 2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef OPENSSL_HMAC_H
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| 11 | # define OPENSSL_HMAC_H
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| 12 | # pragma once
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| 13 |
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| 14 | # include <openssl/macros.h>
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| 15 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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| 16 | # define HEADER_HMAC_H
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| 17 | # endif
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| 18 |
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| 19 | # include <openssl/opensslconf.h>
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| 20 |
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| 21 | # include <openssl/evp.h>
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| 22 |
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| 23 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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| 24 | # define HMAC_MAX_MD_CBLOCK 200 /* Deprecated */
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| 25 | # endif
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| 26 |
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| 27 | # ifdef __cplusplus
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| 28 | extern "C" {
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| 29 | # endif
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| 30 |
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| 31 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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| 32 | OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e);
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| 33 | OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
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| 34 | OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
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| 35 | OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
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| 36 | # endif
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| 37 | # ifndef OPENSSL_NO_DEPRECATED_1_1_0
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| 38 | OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx,
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| 39 | const void *key, int len,
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| 40 | const EVP_MD *md);
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| 41 | # endif
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| 42 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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| 43 | OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
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| 44 | const EVP_MD *md, ENGINE *impl);
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| 45 | OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
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| 46 | size_t len);
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| 47 | OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
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| 48 | unsigned int *len);
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| 49 | OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
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| 50 | OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
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| 51 | OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
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| 52 | # endif
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| 53 |
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| 54 | unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
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| 55 | const unsigned char *data, size_t data_len,
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| 56 | unsigned char *md, unsigned int *md_len);
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| 57 |
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| 58 | # ifdef __cplusplus
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| 59 | }
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| 60 | # endif
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| 61 |
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| 62 | #endif
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