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The C and C++ Include Header Files

/usr/include/openssl/hmac.h


$ cat -n /usr/include/openssl/hmac.h

     1	/*
     2	 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
     3	 *
     4	 * Licensed under the Apache License 2.0 (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
     8	 */
     9	
    10	#ifndef OPENSSL_HMAC_H
    11	# define OPENSSL_HMAC_H
    12	# pragma once
    13	
    14	# include <openssl/macros.h>
    15	# ifndef OPENSSL_NO_DEPRECATED_3_0
    16	#  define HEADER_HMAC_H
    17	# endif
    18	
    19	# include <openssl/opensslconf.h>
    20	
    21	# include <openssl/evp.h>
    22	
    23	# ifndef OPENSSL_NO_DEPRECATED_3_0
    24	#  define HMAC_MAX_MD_CBLOCK      200    /* Deprecated */
    25	# endif
    26	
    27	# ifdef  __cplusplus
    28	extern "C" {
    29	# endif
    30	
    31	# ifndef OPENSSL_NO_DEPRECATED_3_0
    32	OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e);
    33	OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
    34	OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
    35	OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
    36	# endif
    37	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
    38	OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx,
    39	                                             const void *key, int len,
    40	                                             const EVP_MD *md);
    41	# endif
    42	# ifndef OPENSSL_NO_DEPRECATED_3_0
    43	OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
    44	                                       const EVP_MD *md, ENGINE *impl);
    45	OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
    46	                                      size_t len);
    47	OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
    48	                                     unsigned int *len);
    49	OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
    50	OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
    51	OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
    52	# endif
    53	
    54	unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
    55	                    const unsigned char *data, size_t data_len,
    56	                    unsigned char *md, unsigned int *md_len);
    57	
    58	# ifdef  __cplusplus
    59	}
    60	# endif
    61	
    62	#endif