1*0Sstevel@tonic-gate /* crypto/rc5/rc5.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_RC5_H 60*0Sstevel@tonic-gate #define HEADER_RC5_H 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate #ifdef __cplusplus 63*0Sstevel@tonic-gate extern "C" { 64*0Sstevel@tonic-gate #endif 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate #ifdef OPENSSL_NO_RC5 67*0Sstevel@tonic-gate #error RC5 is disabled. 68*0Sstevel@tonic-gate #endif 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #define RC5_ENCRYPT 1 71*0Sstevel@tonic-gate #define RC5_DECRYPT 0 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate /* 32 bit. For Alpha, things may get weird */ 74*0Sstevel@tonic-gate #define RC5_32_INT unsigned long 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #define RC5_32_BLOCK 8 77*0Sstevel@tonic-gate #define RC5_32_KEY_LENGTH 16 /* This is a default, max is 255 */ 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate /* This are the only values supported. Tweak the code if you want more 80*0Sstevel@tonic-gate * The most supported modes will be 81*0Sstevel@tonic-gate * RC5-32/12/16 82*0Sstevel@tonic-gate * RC5-32/16/8 83*0Sstevel@tonic-gate */ 84*0Sstevel@tonic-gate #define RC5_8_ROUNDS 8 85*0Sstevel@tonic-gate #define RC5_12_ROUNDS 12 86*0Sstevel@tonic-gate #define RC5_16_ROUNDS 16 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate typedef struct rc5_key_st 89*0Sstevel@tonic-gate { 90*0Sstevel@tonic-gate /* Number of rounds */ 91*0Sstevel@tonic-gate int rounds; 92*0Sstevel@tonic-gate RC5_32_INT data[2*(RC5_16_ROUNDS+1)]; 93*0Sstevel@tonic-gate } RC5_32_KEY; 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data, 97*0Sstevel@tonic-gate int rounds); 98*0Sstevel@tonic-gate void RC5_32_ecb_encrypt(const unsigned char *in,unsigned char *out,RC5_32_KEY *key, 99*0Sstevel@tonic-gate int enc); 100*0Sstevel@tonic-gate void RC5_32_encrypt(unsigned long *data,RC5_32_KEY *key); 101*0Sstevel@tonic-gate void RC5_32_decrypt(unsigned long *data,RC5_32_KEY *key); 102*0Sstevel@tonic-gate void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out, 103*0Sstevel@tonic-gate long length, RC5_32_KEY *ks, unsigned char *iv, 104*0Sstevel@tonic-gate int enc); 105*0Sstevel@tonic-gate void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out, 106*0Sstevel@tonic-gate long length, RC5_32_KEY *schedule, 107*0Sstevel@tonic-gate unsigned char *ivec, int *num, int enc); 108*0Sstevel@tonic-gate void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out, 109*0Sstevel@tonic-gate long length, RC5_32_KEY *schedule, 110*0Sstevel@tonic-gate unsigned char *ivec, int *num); 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate #ifdef __cplusplus 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate #endif 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate #endif 117