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/*
* Copyright 2002-2020 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_AES_H
# define OPENSSL_AES_H
# pragma once
# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_AES_H
# endif
# include <openssl/opensslconf.h>
# include <stddef.h>
# ifdef __cplusplus
extern "C" {
# endif
# define AES_BLOCK_SIZE 16
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define AES_ENCRYPT 1
# define AES_DECRYPT 0
# define AES_MAXNR 14
/* This should be a hidden type, but EVP requires that the size be known */
struct aes_key_st {
# ifdef AES_LONG
unsigned long rd_key[4 * (AES_MAXNR + 1)];
# else
unsigned int rd_key[4 * (AES_MAXNR + 1)];
# endif
int rounds;
};
typedef struct aes_key_st AES_KEY;
# endif
# ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0 const char *AES_options(void);
OSSL_DEPRECATEDIN_3_0
int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
OSSL_DEPRECATEDIN_3_0
int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
AES_KEY *key);
OSSL_DEPRECATEDIN_3_0
void AES_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
OSSL_DEPRECATEDIN_3_0
void AES_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
OSSL_DEPRECATEDIN_3_0
void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key, const int enc);
OSSL_DEPRECATEDIN_3_0
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, const int enc);
OSSL_DEPRECATEDIN_3_0
void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, int *num, const int enc);
OSSL_DEPRECATEDIN_3_0
void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, int *num, const int enc);
OSSL_DEPRECATEDIN_3_0
void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, int *num, const int enc);
OSSL_DEPRECATEDIN_3_0
void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, int *num);
/* NB: the IV is _two_ blocks long */
OSSL_DEPRECATEDIN_3_0
void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char *ivec, const int enc);
/* NB: the IV is _four_ blocks long */
OSSL_DEPRECATEDIN_3_0
void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key, const AES_KEY *key2,
const unsigned char *ivec, const int enc);
OSSL_DEPRECATEDIN_3_0
int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in,
unsigned int inlen);
OSSL_DEPRECATEDIN_3_0
int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in,
unsigned int inlen);
# endif
# ifdef __cplusplus
}
# endif
#endif
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