155714Skris/* crypto/bf/blowfish.h */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#ifndef HEADER_BLOWFISH_H 6055714Skris#define HEADER_BLOWFISH_H 6155714Skris 62109998Smarkm#include <openssl/e_os2.h> 63109998Smarkm 6455714Skris#ifdef __cplusplus 6555714Skrisextern "C" { 6655714Skris#endif 6755714Skris 68109998Smarkm#ifdef OPENSSL_NO_BF 6955714Skris#error BF is disabled. 7055714Skris#endif 7155714Skris 7255714Skris#define BF_ENCRYPT 1 7355714Skris#define BF_DECRYPT 0 7455714Skris 7555714Skris/* 7655714Skris * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 7755714Skris * ! BF_LONG has to be at least 32 bits wide. If it's wider, then ! 7855714Skris * ! BF_LONG_LOG2 has to be defined along. ! 7955714Skris * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 8055714Skris */ 8155714Skris 82238405Sjkim#if defined(__LP32__) 8355714Skris#define BF_LONG unsigned long 84109998Smarkm#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 8555714Skris#define BF_LONG unsigned long 8655714Skris#define BF_LONG_LOG2 3 8755714Skris/* 8855714Skris * _CRAY note. I could declare short, but I have no idea what impact 8955714Skris * does it have on performance on none-T3E machines. I could declare 9055714Skris * int, but at least on C90 sizeof(int) can be chosen at compile time. 9155714Skris * So I've chosen long... 9255714Skris * <appro@fy.chalmers.se> 9355714Skris */ 9455714Skris#else 9555714Skris#define BF_LONG unsigned int 9655714Skris#endif 9755714Skris 9855714Skris#define BF_ROUNDS 16 9955714Skris#define BF_BLOCK 8 10055714Skris 10155714Skristypedef struct bf_key_st 10255714Skris { 10355714Skris BF_LONG P[BF_ROUNDS+2]; 10455714Skris BF_LONG S[4*256]; 10555714Skris } BF_KEY; 10655714Skris 107194206Ssimon#ifdef OPENSSL_FIPS 108194206Ssimonvoid private_BF_set_key(BF_KEY *key, int len, const unsigned char *data); 109194206Ssimon#endif 11059191Skrisvoid BF_set_key(BF_KEY *key, int len, const unsigned char *data); 11159191Skris 11259191Skrisvoid BF_encrypt(BF_LONG *data,const BF_KEY *key); 11359191Skrisvoid BF_decrypt(BF_LONG *data,const BF_KEY *key); 11459191Skris 11559191Skrisvoid BF_ecb_encrypt(const unsigned char *in, unsigned char *out, 11659191Skris const BF_KEY *key, int enc); 11759191Skrisvoid BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, 11859191Skris const BF_KEY *schedule, unsigned char *ivec, int enc); 11959191Skrisvoid BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length, 12059191Skris const BF_KEY *schedule, unsigned char *ivec, int *num, int enc); 12159191Skrisvoid BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length, 12259191Skris const BF_KEY *schedule, unsigned char *ivec, int *num); 12355714Skrisconst char *BF_options(void); 12455714Skris 12555714Skris#ifdef __cplusplus 12655714Skris} 12755714Skris#endif 12855714Skris 12955714Skris#endif 130