2 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 # define OPENSSL_AES_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
19 # include <openssl/opensslconf.h>
26 # define AES_BLOCK_SIZE 16
28 # ifndef OPENSSL_NO_DEPRECATED_3_0
30 # define AES_ENCRYPT 1
31 # define AES_DECRYPT 0
36 /* This should be a hidden type, but EVP requires that the size be known */
39 unsigned long rd_key[4 * (AES_MAXNR + 1)];
41 unsigned int rd_key[4 * (AES_MAXNR + 1)];
45 typedef struct aes_key_st AES_KEY;
48 # ifndef OPENSSL_NO_DEPRECATED_3_0
49 OSSL_DEPRECATEDIN_3_0 const char *AES_options(void);
51 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
54 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
57 void AES_encrypt(const unsigned char *in, unsigned char *out,
60 void AES_decrypt(const unsigned char *in, unsigned char *out,
63 void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
64 const AES_KEY *key, const int enc);
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);
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);
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);
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);
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);
86 /* NB: the IV is _two_ blocks long */
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 */
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);
97 int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
98 unsigned char *out, const unsigned char *in,
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,