144 lines
5.2 KiB
C
144 lines
5.2 KiB
C
/* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
|
|
/* ====================================================================
|
|
* 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
|
|
|
|
#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);
|
|
|
|
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,
|
|
const unsigned long length, const AES_KEY* key,
|
|
unsigned char* ivec, const int enc);
|
|
void AES_cfb128_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long length, const AES_KEY* key,
|
|
unsigned char* ivec, int* num, const int enc);
|
|
void AES_cfb1_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long length, const AES_KEY* key,
|
|
unsigned char* ivec, int* num, const int enc);
|
|
void AES_cfb8_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long length, const AES_KEY* key,
|
|
unsigned char* ivec, int* num, const int enc);
|
|
void AES_cfbr_encrypt_block(const unsigned char* in, unsigned char* out,
|
|
const int nbits, const AES_KEY* key,
|
|
unsigned char* ivec, const int enc);
|
|
void AES_ofb128_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long length, const AES_KEY* key,
|
|
unsigned char* ivec, int* num);
|
|
|
|
|
|
void AES_ctr128_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long length, const AES_KEY * key,
|
|
unsigned char ivec[AES_BLOCK_SIZE],
|
|
unsigned char ecount_buf[AES_BLOCK_SIZE],
|
|
unsigned int* num);
|
|
|
|
/* For IGE, see also http://www.links.org/files/openssl-ige.pdf
|
|
NB: the IV is _two_ blocks long */
|
|
void AES_ige_encrypt(const unsigned char* in, unsigned char* out,
|
|
const unsigned long 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,
|
|
const unsigned long length, const AES_KEY* key,
|
|
const AES_KEY* key2, const unsigned char* ivec,
|
|
const int enc);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* !HEADER_AES_H */
|