155714Skris/* crypto/rc2/rc2.h */ 255714Skris/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#ifndef HEADER_RC2_H 6055714Skris#define HEADER_RC2_H 6155714Skris 62160814Ssimon#include <openssl/opensslconf.h> /* OPENSSL_NO_RC2, RC2_INT */ 63109998Smarkm#ifdef OPENSSL_NO_RC2 6455714Skris#error RC2 is disabled. 6555714Skris#endif 6655714Skris 6755714Skris#define RC2_ENCRYPT 1 6855714Skris#define RC2_DECRYPT 0 6955714Skris 7055714Skris#define RC2_BLOCK 8 7155714Skris#define RC2_KEY_LENGTH 16 7255714Skris 7368651Skris#ifdef __cplusplus 7468651Skrisextern "C" { 7568651Skris#endif 7668651Skris 7755714Skristypedef struct rc2_key_st 7855714Skris { 7955714Skris RC2_INT data[64]; 8055714Skris } RC2_KEY; 8155714Skris 82194206Ssimon#ifdef OPENSSL_FIPS 83194206Ssimonvoid private_RC2_set_key(RC2_KEY *key, int len, const unsigned char *data,int bits); 84194206Ssimon#endif 8568651Skrisvoid RC2_set_key(RC2_KEY *key, int len, const unsigned char *data,int bits); 8668651Skrisvoid RC2_ecb_encrypt(const unsigned char *in,unsigned char *out,RC2_KEY *key, 8768651Skris int enc); 8855714Skrisvoid RC2_encrypt(unsigned long *data,RC2_KEY *key); 8955714Skrisvoid RC2_decrypt(unsigned long *data,RC2_KEY *key); 9068651Skrisvoid RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, 9155714Skris RC2_KEY *ks, unsigned char *iv, int enc); 9268651Skrisvoid RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out, 9368651Skris long length, RC2_KEY *schedule, unsigned char *ivec, 9468651Skris int *num, int enc); 9568651Skrisvoid RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out, 9668651Skris long length, RC2_KEY *schedule, unsigned char *ivec, 9768651Skris int *num); 9855714Skris 9955714Skris#ifdef __cplusplus 10055714Skris} 10155714Skris#endif 10255714Skris 10355714Skris#endif 104