1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/des/rpc_enc.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "rpc_des.h" 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "des_locl.h" 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "des_ver.h" 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint _des_crypt(char *buf,int len,struct desparams *desp); 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint _des_crypt(char *buf, int len, struct desparams *desp) 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_key_schedule ks; 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int enc; 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_set_key_unchecked(&desp->des_key,&ks); 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project enc=(desp->des_dir == ENCRYPT)?DES_ENCRYPT:DES_DECRYPT; 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (desp->des_mode == CBC) 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_ecb_encrypt((const_DES_cblock *)desp->UDES.UDES_buf, 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (DES_cblock *)desp->UDES.UDES_buf,&ks, 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project enc); 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_ncbc_encrypt(desp->UDES.UDES_buf,desp->UDES.UDES_buf, 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project len,&ks,&desp->des_ivec,enc); 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef undef 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* len will always be %8 if called from common_crypt 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in secure_rpc. 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Libdes's cbc encrypt does not copy back the iv, 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * so we have to do it here. */ 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* It does now :-) eay 20/09/95 */ 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project a=(char *)&(desp->UDES.UDES_buf[len-8]); 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project b=(char *)&(desp->des_ivec[0]); 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *(a++)= *(b++); *(a++)= *(b++); 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *(a++)= *(b++); *(a++)= *(b++); 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *(a++)= *(b++); *(a++)= *(b++); 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *(a++)= *(b++); *(a++)= *(b++); 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(1); 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 99