/* * Copyright 1995-2021 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 OPENSSL_HMAC_H # define OPENSSL_HMAC_H # pragma once # include <openssl/macros.h> # ifndef OPENSSL_NO_DEPRECATED_3_0 # define HEADER_HMAC_H # endif # include <openssl/opensslconf.h> # include <openssl/evp.h> # ifndef OPENSSL_NO_DEPRECATED_3_0 # define HMAC_MAX_MD_CBLOCK 200 /* Deprecated */ # endif # ifdef __cplusplus extern "C" { # endif # ifndef OPENSSL_NO_DEPRECATED_3_0 OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e); OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void); OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx); OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx); # endif # ifndef OPENSSL_NO_DEPRECATED_1_1_0 OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md); # endif # ifndef OPENSSL_NO_DEPRECATED_3_0 OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md, ENGINE *impl); OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len); OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len); OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx); OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags); OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx); # endif unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len, const unsigned char *data, size_t data_len, unsigned char *md, unsigned int *md_len); # ifdef __cplusplus } # endif #endif