1*0Sstevel@tonic-gate /* crypto/bf/blowfish.h */ 2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3*0Sstevel@tonic-gate * All rights reserved. 4*0Sstevel@tonic-gate * 5*0Sstevel@tonic-gate * This package is an SSL implementation written 6*0Sstevel@tonic-gate * by Eric Young (eay@cryptsoft.com). 7*0Sstevel@tonic-gate * The implementation was written so as to conform with Netscapes SSL. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * This library is free for commercial and non-commercial use as long as 10*0Sstevel@tonic-gate * the following conditions are aheared to. The following conditions 11*0Sstevel@tonic-gate * apply to all code found in this distribution, be it the RC4, RSA, 12*0Sstevel@tonic-gate * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13*0Sstevel@tonic-gate * included with this distribution is covered by the same copyright terms 14*0Sstevel@tonic-gate * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15*0Sstevel@tonic-gate * 16*0Sstevel@tonic-gate * Copyright remains Eric Young's, and as such any Copyright notices in 17*0Sstevel@tonic-gate * the code are not to be removed. 18*0Sstevel@tonic-gate * If this package is used in a product, Eric Young should be given attribution 19*0Sstevel@tonic-gate * as the author of the parts of the library used. 20*0Sstevel@tonic-gate * This can be in the form of a textual message at program startup or 21*0Sstevel@tonic-gate * in documentation (online or textual) provided with the package. 22*0Sstevel@tonic-gate * 23*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 24*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 25*0Sstevel@tonic-gate * are met: 26*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the copyright 27*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 28*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 29*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 30*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 31*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software 32*0Sstevel@tonic-gate * must display the following acknowledgement: 33*0Sstevel@tonic-gate * "This product includes cryptographic software written by 34*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com)" 35*0Sstevel@tonic-gate * The word 'cryptographic' can be left out if the rouines from the library 36*0Sstevel@tonic-gate * being used are not cryptographic related :-). 37*0Sstevel@tonic-gate * 4. If you include any Windows specific code (or a derivative thereof) from 38*0Sstevel@tonic-gate * the apps directory (application code) you must include an acknowledgement: 39*0Sstevel@tonic-gate * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40*0Sstevel@tonic-gate * 41*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51*0Sstevel@tonic-gate * SUCH DAMAGE. 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * The licence and distribution terms for any publically available version or 54*0Sstevel@tonic-gate * derivative of this code cannot be changed. i.e. this code cannot simply be 55*0Sstevel@tonic-gate * copied and put under another distribution licence 56*0Sstevel@tonic-gate * [including the GNU Public Licence.] 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #ifndef HEADER_BLOWFISH_H 60*0Sstevel@tonic-gate #define HEADER_BLOWFISH_H 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate #include <openssl/e_os2.h> 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #ifdef __cplusplus 65*0Sstevel@tonic-gate extern "C" { 66*0Sstevel@tonic-gate #endif 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #ifdef OPENSSL_NO_BF 69*0Sstevel@tonic-gate #error BF is disabled. 70*0Sstevel@tonic-gate #endif 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate #define BF_ENCRYPT 1 73*0Sstevel@tonic-gate #define BF_DECRYPT 0 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 77*0Sstevel@tonic-gate * ! BF_LONG has to be at least 32 bits wide. If it's wider, then ! 78*0Sstevel@tonic-gate * ! BF_LONG_LOG2 has to be defined along. ! 79*0Sstevel@tonic-gate * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 80*0Sstevel@tonic-gate */ 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #if defined(OPENSSL_SYS_WIN16) || defined(__LP32__) 83*0Sstevel@tonic-gate #define BF_LONG unsigned long 84*0Sstevel@tonic-gate #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 85*0Sstevel@tonic-gate #define BF_LONG unsigned long 86*0Sstevel@tonic-gate #define BF_LONG_LOG2 3 87*0Sstevel@tonic-gate /* 88*0Sstevel@tonic-gate * _CRAY note. I could declare short, but I have no idea what impact 89*0Sstevel@tonic-gate * does it have on performance on none-T3E machines. I could declare 90*0Sstevel@tonic-gate * int, but at least on C90 sizeof(int) can be chosen at compile time. 91*0Sstevel@tonic-gate * So I've chosen long... 92*0Sstevel@tonic-gate * <appro@fy.chalmers.se> 93*0Sstevel@tonic-gate */ 94*0Sstevel@tonic-gate #else 95*0Sstevel@tonic-gate #define BF_LONG unsigned int 96*0Sstevel@tonic-gate #endif 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate #define BF_ROUNDS 16 99*0Sstevel@tonic-gate #define BF_BLOCK 8 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate typedef struct bf_key_st 102*0Sstevel@tonic-gate { 103*0Sstevel@tonic-gate BF_LONG P[BF_ROUNDS+2]; 104*0Sstevel@tonic-gate BF_LONG S[4*256]; 105*0Sstevel@tonic-gate } BF_KEY; 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate void BF_set_key(BF_KEY *key, int len, const unsigned char *data); 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate void BF_encrypt(BF_LONG *data,const BF_KEY *key); 111*0Sstevel@tonic-gate void BF_decrypt(BF_LONG *data,const BF_KEY *key); 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate void BF_ecb_encrypt(const unsigned char *in, unsigned char *out, 114*0Sstevel@tonic-gate const BF_KEY *key, int enc); 115*0Sstevel@tonic-gate void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, 116*0Sstevel@tonic-gate const BF_KEY *schedule, unsigned char *ivec, int enc); 117*0Sstevel@tonic-gate void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length, 118*0Sstevel@tonic-gate const BF_KEY *schedule, unsigned char *ivec, int *num, int enc); 119*0Sstevel@tonic-gate void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length, 120*0Sstevel@tonic-gate const BF_KEY *schedule, unsigned char *ivec, int *num); 121*0Sstevel@tonic-gate const char *BF_options(void); 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate #ifdef __cplusplus 124*0Sstevel@tonic-gate } 125*0Sstevel@tonic-gate #endif 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate #endif 128