blowfish.h revision 121072
162587Sitojun/* $FreeBSD: head/sys/crypto/blowfish/blowfish.h 121072 2003-10-13 19:26:08Z ume $ */ 291671Sume/* $KAME: blowfish.h,v 1.12 2002/02/27 01:33:59 itojun Exp $ */ 362587Sitojun 455009Sshin/* crypto/bf/blowfish.h */ 555009Sshin/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au) 655009Sshin * All rights reserved. 755009Sshin * 855009Sshin * This package is an SSL implementation written 955009Sshin * by Eric Young (eay@mincom.oz.au). 1055009Sshin * The implementation was written so as to conform with Netscapes SSL. 1155009Sshin * 1255009Sshin * This library is free for commercial and non-commercial use as long as 1355009Sshin * the following conditions are aheared to. The following conditions 1455009Sshin * apply to all code found in this distribution, be it the RC4, RSA, 1555009Sshin * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1655009Sshin * included with this distribution is covered by the same copyright terms 1755009Sshin * except that the holder is Tim Hudson (tjh@mincom.oz.au). 1855009Sshin * 1955009Sshin * Copyright remains Eric Young's, and as such any Copyright notices in 2055009Sshin * the code are not to be removed. 2155009Sshin * If this package is used in a product, Eric Young should be given attribution 2255009Sshin * as the author of the parts of the library used. 2355009Sshin * This can be in the form of a textual message at program startup or 2455009Sshin * in documentation (online or textual) provided with the package. 2555009Sshin * 2655009Sshin * Redistribution and use in source and binary forms, with or without 2755009Sshin * modification, are permitted provided that the following conditions 2855009Sshin * are met: 2955009Sshin * 1. Redistributions of source code must retain the copyright 3055009Sshin * notice, this list of conditions and the following disclaimer. 3155009Sshin * 2. Redistributions in binary form must reproduce the above copyright 3255009Sshin * notice, this list of conditions and the following disclaimer in the 3355009Sshin * documentation and/or other materials provided with the distribution. 3455009Sshin * 3. All advertising materials mentioning features or use of this software 3555009Sshin * must display the following acknowledgement: 3655009Sshin * "This product includes cryptographic software written by 3755009Sshin * Eric Young (eay@mincom.oz.au)" 3855009Sshin * The word 'cryptographic' can be left out if the rouines from the library 3955009Sshin * being used are not cryptographic related :-). 4055009Sshin * 4. If you include any Windows specific code (or a derivative thereof) from 4155009Sshin * the apps directory (application code) you must include an acknowledgement: 4255009Sshin * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)" 4355009Sshin * 4455009Sshin * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4555009Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4655009Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4755009Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4855009Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4955009Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5055009Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5155009Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5255009Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5355009Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5455009Sshin * SUCH DAMAGE. 5555009Sshin * 5655009Sshin * The licence and distribution terms for any publically available version or 5755009Sshin * derivative of this code cannot be changed. i.e. this code cannot simply be 5855009Sshin * copied and put under another distribution licence 5955009Sshin * [including the GNU Public Licence.] 6055009Sshin */ 6155009Sshin 6255009Sshin#ifndef HEADER_BLOWFISH_H 6362587Sitojun#define HEADER_BLOWFISH_H 6455009Sshin 6555009Sshin#ifdef __cplusplus 6655009Sshinextern "C" { 6755009Sshin#endif 6855009Sshin 6962587Sitojun#define BF_ENCRYPT 1 7062587Sitojun#define BF_DECRYPT 0 7155009Sshin 7278064Sume/* must be 32bit quantity */ 7378064Sume#define BF_LONG u_int32_t 7455009Sshin 7562587Sitojun#define BF_ROUNDS 16 7662587Sitojun#define BF_BLOCK 8 7755009Sshin 7878064Sumetypedef struct bf_key_st { 7955009Sshin BF_LONG P[BF_ROUNDS+2]; 8055009Sshin BF_LONG S[4*256]; 8178064Sume} BF_KEY; 8255009Sshin 8392756Salfredvoid BF_set_key(BF_KEY *, int, unsigned char *); 8492756Salfredvoid BF_encrypt(BF_LONG *, BF_KEY *); 8592756Salfredvoid BF_decrypt(BF_LONG *, BF_KEY *); 86121072Sumevoid BF_ecb_encrypt(const unsigned char *, unsigned char *, 87121072Sume BF_KEY *, int); 8891671Sume 8955009Sshin#ifdef __cplusplus 9055009Sshin} 9155009Sshin#endif 9255009Sshin 9355009Sshin#endif 94