1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/des/xcbc_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 "des_locl.h" 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* RSA's DESX */ 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 /* broken code, preserved just in case anyone specifically looks for this */ 64221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic const unsigned char desx_white_in2out[256]={ 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xBD,0x56,0xEA,0xF2,0xA2,0xF1,0xAC,0x2A,0xB0,0x93,0xD1,0x9C,0x1B,0x33,0xFD,0xD0, 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x30,0x04,0xB6,0xDC,0x7D,0xDF,0x32,0x4B,0xF7,0xCB,0x45,0x9B,0x31,0xBB,0x21,0x5A, 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x41,0x9F,0xE1,0xD9,0x4A,0x4D,0x9E,0xDA,0xA0,0x68,0x2C,0xC3,0x27,0x5F,0x80,0x36, 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x3E,0xEE,0xFB,0x95,0x1A,0xFE,0xCE,0xA8,0x34,0xA9,0x13,0xF0,0xA6,0x3F,0xD8,0x0C, 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x78,0x24,0xAF,0x23,0x52,0xC1,0x67,0x17,0xF5,0x66,0x90,0xE7,0xE8,0x07,0xB8,0x60, 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x48,0xE6,0x1E,0x53,0xF3,0x92,0xA4,0x72,0x8C,0x08,0x15,0x6E,0x86,0x00,0x84,0xFA, 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xF4,0x7F,0x8A,0x42,0x19,0xF6,0xDB,0xCD,0x14,0x8D,0x50,0x12,0xBA,0x3C,0x06,0x4E, 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xEC,0xB3,0x35,0x11,0xA1,0x88,0x8E,0x2B,0x94,0x99,0xB7,0x71,0x74,0xD3,0xE4,0xBF, 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x3A,0xDE,0x96,0x0E,0xBC,0x0A,0xED,0x77,0xFC,0x37,0x6B,0x03,0x79,0x89,0x62,0xC6, 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xD7,0xC0,0xD2,0x7C,0x6A,0x8B,0x22,0xA3,0x5B,0x05,0x5D,0x02,0x75,0xD5,0x61,0xE3, 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x18,0x8F,0x55,0x51,0xAD,0x1F,0x0B,0x5E,0x85,0xE5,0xC2,0x57,0x63,0xCA,0x3D,0x6C, 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xB4,0xC5,0xCC,0x70,0xB2,0x91,0x59,0x0D,0x47,0x20,0xC8,0x4F,0x58,0xE0,0x01,0xE2, 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x16,0x38,0xC4,0x6F,0x3B,0x0F,0x65,0x46,0xBE,0x7E,0x2D,0x7B,0x82,0xF9,0x40,0xB5, 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x1D,0x73,0xF8,0xEB,0x26,0xC7,0x87,0x97,0x25,0x54,0xB1,0x28,0xAA,0x98,0x9D,0xA5, 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0x64,0x6D,0x7A,0xD4,0x10,0x81,0x44,0xEF,0x49,0xD6,0xAE,0x2E,0xDD,0x76,0x5C,0x2F, 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project0xA7,0x1C,0xC9,0x09,0x69,0x9A,0x83,0xCF,0x29,0x39,0xB9,0xE9,0x4C,0xFF,0x43,0xAB, 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project }; 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DES_xwhite_in2out(const_DES_cblock *des_key, const_DES_cblock *in_white, 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_cblock *out_white) 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int out0,out1; 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const unsigned char *key = &(*des_key)[0]; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const unsigned char *in = &(*in_white)[0]; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *out = &(*out_white)[0]; 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out[0]=out[1]=out[2]=out[3]=out[4]=out[5]=out[6]=out[7]=0; 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out0=out1=0; 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<8; i++) 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out[i]=key[i]^desx_white_in2out[out0^out1]; 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out0=out1; 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out1=(int)out[i&0x07]; 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out0=out[0]; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out1=out[i]; /* BUG: out-of-bounds read */ 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i=0; i<8; i++) 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out[i]=in[i]^desx_white_in2out[out0^out1]; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out0=out1; 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project out1=(int)out[i&0x07]; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DES_xcbc_encrypt(const unsigned char *in, unsigned char *out, 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project long length, DES_key_schedule *schedule, 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_cblock *ivec, const_DES_cblock *inw, 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const_DES_cblock *outw, int enc) 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project register DES_LONG tin0,tin1; 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project register DES_LONG tout0,tout1,xor0,xor1; 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project register DES_LONG inW0,inW1,outW0,outW1; 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project register const unsigned char *in2; 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project register long l=length; 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_LONG tin[2]; 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *iv; 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in2 = &(*inw)[0]; 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in2,inW0); 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in2,inW1); 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project in2 = &(*outw)[0]; 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in2,outW0); 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in2,outW1); 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iv = &(*ivec)[0]; 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (enc) 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(iv,tout0); 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(iv,tout1); 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (l-=8; l>=0; l-=8) 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin0); 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin1); 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin0^=tout0^inW0; tin[0]=tin0; 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin1^=tout1^inW1; tin[1]=tin1; 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_encrypt1(tin,schedule,DES_ENCRYPT); 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout0=tin[0]^outW0; l2c(tout0,out); 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout1=tin[1]^outW1; l2c(tout1,out); 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (l != -8) 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2ln(in,tin0,tin1,l+8); 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin0^=tout0^inW0; tin[0]=tin0; 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin1^=tout1^inW1; tin[1]=tin1; 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_encrypt1(tin,schedule,DES_ENCRYPT); 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout0=tin[0]^outW0; l2c(tout0,out); 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout1=tin[1]^outW1; l2c(tout1,out); 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iv = &(*ivec)[0]; 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(tout0,iv); 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(tout1,iv); 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(iv,xor0); 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(iv,xor1); 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (l-=8; l>0; l-=8) 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin0); tin[0]=tin0^outW0; 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin1); tin[1]=tin1^outW1; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_encrypt1(tin,schedule,DES_DECRYPT); 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout0=tin[0]^xor0^inW0; 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout1=tin[1]^xor1^inW1; 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(tout0,out); 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(tout1,out); 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project xor0=tin0; 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project xor1=tin1; 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (l != -8) 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin0); tin[0]=tin0^outW0; 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project c2l(in,tin1); tin[1]=tin1^outW1; 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_encrypt1(tin,schedule,DES_DECRYPT); 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout0=tin[0]^xor0^inW0; 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tout1=tin[1]^xor1^inW1; 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2cn(tout0,tout1,out,l+8); 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project xor0=tin0; 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project xor1=tin1; 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iv = &(*ivec)[0]; 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(xor0,iv); 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project l2c(xor1,iv); 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin0=tin1=tout0=tout1=xor0=xor1=0; 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project inW0=inW1=outW0=outW1=0; 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tin[0]=tin[1]=0; 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 198