150 lines
6.0 KiB
C++
150 lines
6.0 KiB
C++
/* crypto/aes/aes.h */
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
*/
|
|
|
|
#ifndef HEADER_AES_H
|
|
# define HEADER_AES_H
|
|
|
|
# include <openssl/opensslconf.h>
|
|
|
|
# ifdef OPENSSL_NO_AES
|
|
# error AES is disabled.
|
|
# endif
|
|
|
|
# include <stddef.h>
|
|
|
|
# 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
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* 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);
|
|
|
|
int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits,
|
|
AES_KEY *key);
|
|
int private_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);
|
|
void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
|
|
size_t length, const AES_KEY *key,
|
|
unsigned char ivec[AES_BLOCK_SIZE],
|
|
unsigned char ecount_buf[AES_BLOCK_SIZE],
|
|
unsigned 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 /* !HEADER_AES_H */
|