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/*
* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (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 HEADER_AES_H
# define HEADER_AES_H
# include <openssl/opensslconf.h>
# include <stddef.h>
# ifdef __cplusplus
extern "C" {# endif
# define AES_ENCRYPT 1
# define AES_DECRYPT 0
/*
* Because array size can't be a const in C, the following two are macros. * Both sizes are in bytes. */# define AES_MAXNR 14
# define AES_BLOCK_SIZE 16
/* 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;
const char *AES_options(void);
int AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key);int AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key);
void AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key);void AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key);
void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key, const int enc);void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, const int enc);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);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);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);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 */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 */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);
int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, const unsigned char *in, unsigned int inlen);int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, const unsigned char *in, unsigned int inlen);
# ifdef __cplusplus
}# endif
#endif
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