/* 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  __cplusplusextern "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 */