1/* 2 * Copyright (c) 2004 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34/* $Id$ */ 35 36/* symbol renaming */ 37#define RC2_set_key hc_RC2_set_key 38#define RC2_encryptc hc_RC2_encryptc 39#define RC2_decryptc hc_RC2_decryptc 40#define RC2_cbc_encrypt hc_RC2_cbc_encrypt 41 42/* 43 * 44 */ 45 46#define RC2_ENCRYPT 1 47#define RC2_DECRYPT 0 48 49#define RC2_BLOCK_SIZE 8 50#define RC2_BLOCK RC2_BLOCK_SIZE 51#define RC2_KEY_LENGTH 16 52 53typedef struct rc2_key { 54 unsigned int data[64]; 55} RC2_KEY; 56 57#ifdef __cplusplus 58extern "C" { 59#endif 60 61void RC2_set_key(RC2_KEY *, int, const unsigned char *,int); 62 63void RC2_encryptc(unsigned char *, unsigned char *, const RC2_KEY *); 64void RC2_decryptc(unsigned char *, unsigned char *, const RC2_KEY *); 65 66void RC2_cbc_encrypt(const unsigned char *, unsigned char *, long, 67 RC2_KEY *, unsigned char *, int); 68 69#ifdef __cplusplus 70} 71#endif 72