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
23extern "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 */
37struct 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};
45typedef struct aes_key_st AES_KEY;
46
47# endif
48# ifndef OPENSSL_NO_DEPRECATED_3_0
49OSSL_DEPRECATEDIN_3_0 const char *AES_options(void);
50OSSL_DEPRECATEDIN_3_0
51int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
52 AES_KEY *key);
53OSSL_DEPRECATEDIN_3_0
54int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
55 AES_KEY *key);
56OSSL_DEPRECATEDIN_3_0
57void AES_encrypt(const unsigned char *in, unsigned char *out,
58 const AES_KEY *key);
59OSSL_DEPRECATEDIN_3_0
60void AES_decrypt(const unsigned char *in, unsigned char *out,
61 const AES_KEY *key);
62OSSL_DEPRECATEDIN_3_0
63void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
64 const AES_KEY *key, const int enc);
65OSSL_DEPRECATEDIN_3_0
66void 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);
69OSSL_DEPRECATEDIN_3_0
70void 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);
73OSSL_DEPRECATEDIN_3_0
74void 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);
77OSSL_DEPRECATEDIN_3_0
78void 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);
81OSSL_DEPRECATEDIN_3_0
82void 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 */
87OSSL_DEPRECATEDIN_3_0
88void 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 */
92OSSL_DEPRECATEDIN_3_0
93void 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);
96OSSL_DEPRECATEDIN_3_0
97int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
98 unsigned char *out, const unsigned char *in,
99 unsigned int inlen);
100OSSL_DEPRECATEDIN_3_0
101int 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
112

source code of include/openssl/aes.h