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. 8280304Sjkim * 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). 15280304Sjkim * 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. 22280304Sjkim * 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 :-). 37280304Sjkim * 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)" 40280304Sjkim * 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. 52280304Sjkim * 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 60280304Sjkim# define HEADER_BLOWFISH_H 6155714Skris 62280304Sjkim# include <openssl/e_os2.h> 63109998Smarkm 6455714Skris#ifdef __cplusplus 6555714Skrisextern "C" { 6655714Skris#endif 6755714Skris 68280304Sjkim# ifdef OPENSSL_NO_BF 69280304Sjkim# error BF is disabled. 70280304Sjkim# endif 7155714Skris 72280304Sjkim# define BF_ENCRYPT 1 73280304Sjkim# define BF_DECRYPT 0 7455714Skris 75280304Sjkim/*- 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 82280304Sjkim# if defined(__LP32__) 83280304Sjkim# define BF_LONG unsigned long 84280304Sjkim# elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 85280304Sjkim# define BF_LONG unsigned long 86280304Sjkim# 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... 92280304Sjkim * <appro@fy.chalmers.se> 9355714Skris */ 94280304Sjkim# else 95280304Sjkim# define BF_LONG unsigned int 96280304Sjkim# endif 9755714Skris 98280304Sjkim# define BF_ROUNDS 16 99280304Sjkim# define BF_BLOCK 8 10055714Skris 101280304Sjkimtypedef struct bf_key_st { 102280304Sjkim BF_LONG P[BF_ROUNDS + 2]; 103280304Sjkim BF_LONG S[4 * 256]; 104280304Sjkim} BF_KEY; 10555714Skris 106280304Sjkim# ifdef OPENSSL_FIPS 107194206Ssimonvoid private_BF_set_key(BF_KEY *key, int len, const unsigned char *data); 108280304Sjkim# endif 10959191Skrisvoid BF_set_key(BF_KEY *key, int len, const unsigned char *data); 11059191Skris 111280304Sjkimvoid BF_encrypt(BF_LONG *data, const BF_KEY *key); 112280304Sjkimvoid BF_decrypt(BF_LONG *data, const BF_KEY *key); 11359191Skris 11459191Skrisvoid BF_ecb_encrypt(const unsigned char *in, unsigned char *out, 115280304Sjkim const BF_KEY *key, int enc); 11659191Skrisvoid BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, 117280304Sjkim const BF_KEY *schedule, unsigned char *ivec, int enc); 118280304Sjkimvoid BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, 119280304Sjkim long length, const BF_KEY *schedule, 120280304Sjkim unsigned char *ivec, int *num, int enc); 121280304Sjkimvoid BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, 122280304Sjkim long length, const BF_KEY *schedule, 123280304Sjkim unsigned char *ivec, int *num); 12455714Skrisconst char *BF_options(void); 12555714Skris 12655714Skris#ifdef __cplusplus 12755714Skris} 12855714Skris#endif 12955714Skris 13055714Skris#endif 131