blowfish.h revision 63249
1/* $FreeBSD: head/sys/crypto/blowfish/blowfish.h 62587 2000-07-04 16:35:15Z itojun $ */ 2/* $KAME: blowfish.h,v 1.4 2000/06/14 10:41:16 itojun Exp $ */ 3 4/* crypto/bf/blowfish.h */ 5/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au) 6 * All rights reserved. 7 * 8 * This package is an SSL implementation written 9 * by Eric Young (eay@mincom.oz.au). 10 * The implementation was written so as to conform with Netscapes SSL. 11 * 12 * This library is free for commercial and non-commercial use as long as 13 * the following conditions are aheared to. The following conditions 14 * apply to all code found in this distribution, be it the RC4, RSA, 15 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 16 * included with this distribution is covered by the same copyright terms 17 * except that the holder is Tim Hudson (tjh@mincom.oz.au). 18 * 19 * Copyright remains Eric Young's, and as such any Copyright notices in 20 * the code are not to be removed. 21 * If this package is used in a product, Eric Young should be given attribution 22 * as the author of the parts of the library used. 23 * This can be in the form of a textual message at program startup or 24 * in documentation (online or textual) provided with the package. 25 * 26 * Redistribution and use in source and binary forms, with or without 27 * modification, are permitted provided that the following conditions 28 * are met: 29 * 1. Redistributions of source code must retain the copyright 30 * notice, this list of conditions and the following disclaimer. 31 * 2. Redistributions in binary form must reproduce the above copyright 32 * notice, this list of conditions and the following disclaimer in the 33 * documentation and/or other materials provided with the distribution. 34 * 3. All advertising materials mentioning features or use of this software 35 * must display the following acknowledgement: 36 * "This product includes cryptographic software written by 37 * Eric Young (eay@mincom.oz.au)" 38 * The word 'cryptographic' can be left out if the rouines from the library 39 * being used are not cryptographic related :-). 40 * 4. If you include any Windows specific code (or a derivative thereof) from 41 * the apps directory (application code) you must include an acknowledgement: 42 * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)" 43 * 44 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54 * SUCH DAMAGE. 55 * 56 * The licence and distribution terms for any publically available version or 57 * derivative of this code cannot be changed. i.e. this code cannot simply be 58 * copied and put under another distribution licence 59 * [including the GNU Public Licence.] 60 */ 61 62#ifndef HEADER_BLOWFISH_H 63#define HEADER_BLOWFISH_H 64 65#ifdef __cplusplus 66extern "C" { 67#endif 68 69#define BF_ENCRYPT 1 70#define BF_DECRYPT 0 71 72/* If you make this 'unsigned int' the pointer variants will work on 73 * the Alpha, otherwise they will not. Strangly using the '8 byte' 74 * BF_LONG and the default 'non-pointer' inner loop is the best configuration 75 * for the Alpha */ 76#define BF_LONG unsigned long 77 78#define BF_ROUNDS 16 79#define BF_BLOCK 8 80 81typedef struct bf_key_st 82 { 83 BF_LONG P[BF_ROUNDS+2]; 84 BF_LONG S[4*256]; 85 } BF_KEY; 86 87#ifndef NOPROTO 88 89void BF_set_key(BF_KEY *key, int len, unsigned char *data); 90void BF_ecb_encrypt(unsigned char *in,unsigned char *out,BF_KEY *key, 91 int encrypt); 92void BF_encrypt(BF_LONG *data,BF_KEY *key,int encrypt); 93void BF_cbc_encrypt(unsigned char *in, unsigned char *out, long length, 94 BF_KEY *ks, unsigned char *iv, int encrypt); 95void BF_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, 96 BF_KEY *schedule, unsigned char *ivec, int *num, int encrypt); 97void BF_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, 98 BF_KEY *schedule, unsigned char *ivec, int *num); 99char *BF_options(void); 100 101/* added by itojun */ 102struct mbuf; 103int BF_cbc_encrypt_m(struct mbuf *, int, int, BF_KEY *, unsigned char *, int); 104 105#else 106 107void BF_set_key(); 108void BF_ecb_encrypt(); 109void BF_encrypt(); 110void BF_cbc_encrypt(); 111void BF_cfb64_encrypt(); 112void BF_ofb64_encrypt(); 113char *BF_options(); 114 115/* added by itojun */ 116void BF_cbc_encrypt_m(); 117 118#endif 119 120#ifdef __cplusplus 121} 122#endif 123 124#endif 125