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The C and C++ Include Header Files

/usr/include/openssl/aes.h


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

     1	/*
     2	 * Copyright 2002-2020 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_AES_H
    11	# define OPENSSL_AES_H
    12	# pragma once
    13	
    14	# include <openssl/macros.h>
    15	# ifndef OPENSSL_NO_DEPRECATED_3_0
    16	#  define HEADER_AES_H
    17	# endif
    18	
    19	# include <openssl/opensslconf.h>
    20	
    21	# include <stddef.h>
    22	# ifdef  __cplusplus
    23	extern "C" {
    24	# endif
    25	
    26	# define AES_BLOCK_SIZE 16
    27	
    28	# ifndef OPENSSL_NO_DEPRECATED_3_0
    29	
    30	#  define AES_ENCRYPT     1
    31	#  define AES_DECRYPT     0
    32	
    33	#  define AES_MAXNR 14
    34	
    35	
    36	/* This should be a hidden type, but EVP requires that the size be known */
    37	struct aes_key_st {
    38	#  ifdef AES_LONG
    39	    unsigned long rd_key[4 * (AES_MAXNR + 1)];
    40	#  else
    41	    unsigned int rd_key[4 * (AES_MAXNR + 1)];
    42	#  endif
    43	    int rounds;
    44	};
    45	typedef struct aes_key_st AES_KEY;
    46	
    47	# endif
    48	# ifndef OPENSSL_NO_DEPRECATED_3_0
    49	OSSL_DEPRECATEDIN_3_0 const char *AES_options(void);
    50	OSSL_DEPRECATEDIN_3_0
    51	int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
    52	                        AES_KEY *key);
    53	OSSL_DEPRECATEDIN_3_0
    54	int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
    55	                        AES_KEY *key);
    56	OSSL_DEPRECATEDIN_3_0
    57	void AES_encrypt(const unsigned char *in, unsigned char *out,
    58	                 const AES_KEY *key);
    59	OSSL_DEPRECATEDIN_3_0
    60	void AES_decrypt(const unsigned char *in, unsigned char *out,
    61	                 const AES_KEY *key);
    62	OSSL_DEPRECATEDIN_3_0
    63	void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
    64	                     const AES_KEY *key, const int enc);
    65	OSSL_DEPRECATEDIN_3_0
    66	void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
    67	                     size_t length, const AES_KEY *key,
    68	                     unsigned char *ivec, const int enc);
    69	OSSL_DEPRECATEDIN_3_0
    70	void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
    71	                        size_t length, const AES_KEY *key,
    72	                        unsigned char *ivec, int *num, const int enc);
    73	OSSL_DEPRECATEDIN_3_0
    74	void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
    75	                      size_t length, const AES_KEY *key,
    76	                      unsigned char *ivec, int *num, const int enc);
    77	OSSL_DEPRECATEDIN_3_0
    78	void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
    79	                      size_t length, const AES_KEY *key,
    80	                      unsigned char *ivec, int *num, const int enc);
    81	OSSL_DEPRECATEDIN_3_0
    82	void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
    83	                        size_t length, const AES_KEY *key,
    84	                        unsigned char *ivec, int *num);
    85	
    86	/* NB: the IV is _two_ blocks long */
    87	OSSL_DEPRECATEDIN_3_0
    88	void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
    89	                     size_t length, const AES_KEY *key,
    90	                     unsigned char *ivec, const int enc);
    91	/* NB: the IV is _four_ blocks long */
    92	OSSL_DEPRECATEDIN_3_0
    93	void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
    94	                        size_t length, const AES_KEY *key, const AES_KEY *key2,
    95	                        const unsigned char *ivec, const int enc);
    96	OSSL_DEPRECATEDIN_3_0
    97	int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
    98	                 unsigned char *out, const unsigned char *in,
    99	                 unsigned int inlen);
   100	OSSL_DEPRECATEDIN_3_0
   101	int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
   102	                   unsigned char *out, const unsigned char *in,
   103	                   unsigned int inlen);
   104	# endif
   105	
   106	
   107	# ifdef  __cplusplus
   108	}
   109	# endif
   110	
   111	#endif