128 lines
4.9 KiB
C
128 lines
4.9 KiB
C
/* crypto/bf/blowfish.h */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* 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 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 acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS 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 AUTHOR OR 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.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#ifndef HEADER_BLOWFISH_H
|
|
#define HEADER_BLOWFISH_H
|
|
|
|
#include <openssl/e_os2.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifdef OPENSSL_NO_BF
|
|
#error BF is disabled.
|
|
#endif
|
|
|
|
#define BF_ENCRYPT 1
|
|
#define BF_DECRYPT 0
|
|
|
|
/*
|
|
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
* ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
|
|
* ! BF_LONG_LOG2 has to be defined along. !
|
|
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
|
*/
|
|
|
|
#if defined(__LP32__)
|
|
#define BF_LONG unsigned long
|
|
#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
|
|
#define BF_LONG unsigned long
|
|
#define BF_LONG_LOG2 3
|
|
/*
|
|
* _CRAY note. I could declare short, but I have no idea what impact
|
|
* does it have on performance on none-T3E machines. I could declare
|
|
* int, but at least on C90 sizeof(int) can be chosen at compile time.
|
|
* So I've chosen long...
|
|
* <appro@fy.chalmers.se>
|
|
*/
|
|
#else
|
|
#define BF_LONG unsigned int
|
|
#endif
|
|
|
|
#define BF_ROUNDS 16
|
|
#define BF_BLOCK 8
|
|
|
|
typedef struct bf_key_st
|
|
{
|
|
BF_LONG P[BF_ROUNDS+2];
|
|
BF_LONG S[4*256];
|
|
} BF_KEY;
|
|
|
|
|
|
void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
|
|
|
|
void BF_encrypt(BF_LONG *data,const BF_KEY *key);
|
|
void BF_decrypt(BF_LONG *data,const BF_KEY *key);
|
|
|
|
void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
|
|
const BF_KEY *key, int enc);
|
|
void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
|
|
const BF_KEY *schedule, unsigned char *ivec, int enc);
|
|
void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length,
|
|
const BF_KEY *schedule, unsigned char *ivec, int *num, int enc);
|
|
void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length,
|
|
const BF_KEY *schedule, unsigned char *ivec, int *num);
|
|
const char *BF_options(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|