www.gusucode.com > 一些VC++加密算法+实例源码源码程序 > 一些VC++加密算法+实例源码/优化后的加密注册模块/优化后的加密注册模块/inventory(optimized)/Encry.cpp
//****************************************************
//* Arko Information Technology Co.,Ltd. *
//****************************************************
//*encry.cpp Version: 1.3 *
//*Copyright: This is a part of the Arko Source Code *
//****************************************************
//*Programmmer: YL *
//*Date: 2000-11-19 *
//****************************************************
/*####################################################
this is main encryption functions including DES
arithmetic and MD5 arithmetic
####################################################*/
#include "stdafx.h"
#include "Encry.h"
#include "module.h"
/*des*/
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <mbstring.h>
#include <time.h>
/*md5*/
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <math.h>
//begin fo globle functions
/* Caller must ASCII encode the encrypted keys if required. */
/* If type is zero, simply print the task string, otherwise convert the
type to a string and print task and type.
*/
#ifndef USE_ANSI
/* Secure memset routine */
#ifndef USEASM
void R_memset(POINTER output,int value,unsigned int len)
//POINTER output; /* output block */
//int value; /* value */
//unsigned int len; /* length of block */
{
if(len != 0)
{
do
{
*output++ = (unsigned char)value;
} while(--len != 0);
}
}
/* Secure memcpy routine */
void R_memcpy(POINTER output,POINTER input,unsigned int len)
//POINTER output; /* output block */
//POINTER input; /* input block */
//unsigned int len; /* length of blocks */
{
if (len != 0) {
do {
*output++ = *input++;
}while (--len != 0);
}
}
/* Secure memcmp routine */
int R_memcmp(POINTER Block1,POINTER Block2,unsigned int len)
//POINTER Block1; /* first block */
//POINTER Block2; /* second block */
//unsigned int len; /* length of blocks */
{
if(len != 0) {
/* little trick in declaring vars */
register const unsigned char *p1 = Block1, *p2 = Block2;
do {
if(*p1++ != *p2++)
return(*--p1 - *--p2);
}while(--len != 0);
}
return(0);
}
#endif /* USEASM */
#endif /* USE_ANSI */
void scrunch (UINT4 *into, unsigned char *outof)
//UINT4 *into;
//unsigned char *outof;
{
*into = (*outof++ & 0xffL) << 24;
*into |= (*outof++ & 0xffL) << 16;
*into |= (*outof++ & 0xffL) << 8;
*into++ |= (*outof++ & 0xffL);
*into = (*outof++ & 0xffL) << 24;
*into |= (*outof++ & 0xffL) << 16;
*into |= (*outof++ & 0xffL) << 8;
*into |= (*outof & 0xffL);
}
void unscrunch(unsigned char *into, UINT4 *outof)
//unsigned char *into;
//UINT4 *outof;
{
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
*into++ = (unsigned char)( *outof++ & 0xffL);
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
*into = (unsigned char)( *outof & 0xffL);
}
//end of globle functions
///////////////////////////////////////////////////////////////////////////////////////////////
//Here is the des core algorism
///////////////////////////////////////////////////////////////////////////////////////////////
UINT2 bytebit[8] = {
0200, 0100, 040, 020, 010, 04, 02, 01
};
UINT4 bigbyte[24] = {
0x800000L, 0x400000L, 0x200000L, 0x100000L,
0x80000L, 0x40000L, 0x20000L, 0x10000L,
0x8000L, 0x4000L, 0x2000L, 0x1000L,
0x800L, 0x400L, 0x200L, 0x100L,
0x80L, 0x40L, 0x20L, 0x10L,
0x8L, 0x4L, 0x2L, 0x1L
};
unsigned char totrot[16] = {
1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28
};
unsigned char pc1[56] = {
56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3
};
unsigned char pc2[48] = {
13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31
};
unsigned char *PADDING_OPEN[] = {
(unsigned char *)"", (unsigned char *)"\01", (unsigned char *)"\02\02",
(unsigned char *)"\03\03\03", (unsigned char *)"\04\04\04\04",
(unsigned char *)"\05\05\05\05\05",
(unsigned char *)"\06\06\06\06\06\06",
(unsigned char *)"\07\07\07\07\07\07\07",
(unsigned char *)"\010\010\010\010\010\010\010\010"
};
#ifndef DES386
UINT4 Spbox[8][64] = {
0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L,
0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L,
0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L,
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L,
0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L,
0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L,
0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L,
0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L
};
#else
/* S box tables for assembler desfunc */
unsigned long Spbox[8][64] = {
0x04041000,0x00000000,0x00040000,0x04041010,
0x04040010,0x00041010,0x00000010,0x00040000,
0x00001000,0x04041000,0x04041010,0x00001000,
0x04001010,0x04040010,0x04000000,0x00000010,
0x00001010,0x04001000,0x04001000,0x00041000,
0x00041000,0x04040000,0x04040000,0x04001010,
0x00040010,0x04000010,0x04000010,0x00040010,
0x00000000,0x00001010,0x00041010,0x04000000,
0x00040000,0x04041010,0x00000010,0x04040000,
0x04041000,0x04000000,0x04000000,0x00001000,
0x04040010,0x00040000,0x00041000,0x04000010,
0x00001000,0x00000010,0x04001010,0x00041010,
0x04041010,0x00040010,0x04040000,0x04001010,
0x04000010,0x00001010,0x00041010,0x04041000,
0x00001010,0x04001000,0x04001000,0x00000000,
0x00040010,0x00041000,0x00000000,0x04040010,
0x00420082,0x00020002,0x00020000,0x00420080,
0x00400000,0x00000080,0x00400082,0x00020082,
0x00000082,0x00420082,0x00420002,0x00000002,
0x00020002,0x00400000,0x00000080,0x00400082,
0x00420000,0x00400080,0x00020082,0x00000000,
0x00000002,0x00020000,0x00420080,0x00400002,
0x00400080,0x00000082,0x00000000,0x00420000,
0x00020080,0x00420002,0x00400002,0x00020080,
0x00000000,0x00420080,0x00400082,0x00400000,
0x00020082,0x00400002,0x00420002,0x00020000,
0x00400002,0x00020002,0x00000080,0x00420082,
0x00420080,0x00000080,0x00020000,0x00000002,
0x00020080,0x00420002,0x00400000,0x00000082,
0x00400080,0x00020082,0x00000082,0x00400080,
0x00420000,0x00000000,0x00020002,0x00020080,
0x00000002,0x00400082,0x00420082,0x00420000,
0x00000820,0x20080800,0x00000000,0x20080020,
0x20000800,0x00000000,0x00080820,0x20000800,
0x00080020,0x20000020,0x20000020,0x00080000,
0x20080820,0x00080020,0x20080000,0x00000820,
0x20000000,0x00000020,0x20080800,0x00000800,
0x00080800,0x20080000,0x20080020,0x00080820,
0x20000820,0x00080800,0x00080000,0x20000820,
0x00000020,0x20080820,0x00000800,0x20000000,
0x20080800,0x20000000,0x00080020,0x00000820,
0x00080000,0x20080800,0x20000800,0x00000000,
0x00000800,0x00080020,0x20080820,0x20000800,
0x20000020,0x00000800,0x00000000,0x20080020,
0x20000820,0x00080000,0x20000000,0x20080820,
0x00000020,0x00080820,0x00080800,0x20000020,
0x20080000,0x20000820,0x00000820,0x20080000,
0x00080820,0x00000020,0x20080020,0x00080800,
0x02008004,0x00008204,0x00008204,0x00000200,
0x02008200,0x02000204,0x02000004,0x00008004,
0x00000000,0x02008000,0x02008000,0x02008204,
0x00000204,0x00000000,0x02000200,0x02000004,
0x00000004,0x00008000,0x02000000,0x02008004,
0x00000200,0x02000000,0x00008004,0x00008200,
0x02000204,0x00000004,0x00008200,0x02000200,
0x00008000,0x02008200,0x02008204,0x00000204,
0x02000200,0x02000004,0x02008000,0x02008204,
0x00000204,0x00000000,0x00000000,0x02008000,
0x00008200,0x02000200,0x02000204,0x00000004,
0x02008004,0x00008204,0x00008204,0x00000200,
0x02008204,0x00000204,0x00000004,0x00008000,
0x02000004,0x00008004,0x02008200,0x02000204,
0x00008004,0x00008200,0x02000000,0x02008004,
0x00000200,0x02000000,0x00008000,0x02008200,
0x00000400,0x08200400,0x08200000,0x08000401,
0x00200000,0x00000400,0x00000001,0x08200000,
0x00200401,0x00200000,0x08000400,0x00200401,
0x08000401,0x08200001,0x00200400,0x00000001,
0x08000000,0x00200001,0x00200001,0x00000000,
0x00000401,0x08200401,0x08200401,0x08000400,
0x08200001,0x00000401,0x00000000,0x08000001,
0x08200400,0x08000000,0x08000001,0x00200400,
0x00200000,0x08000401,0x00000400,0x08000000,
0x00000001,0x08200000,0x08000401,0x00200401,
0x08000400,0x00000001,0x08200001,0x08200400,
0x00200401,0x00000400,0x08000000,0x08200001,
0x08200401,0x00200400,0x08000001,0x08200401,
0x08200000,0x00000000,0x00200001,0x08000001,
0x00200400,0x08000400,0x00000401,0x00200000,
0x00000000,0x00200001,0x08200400,0x00000401,
0x80000040,0x81000000,0x00010000,0x81010040,
0x81000000,0x00000040,0x81010040,0x01000000,
0x80010000,0x01010040,0x01000000,0x80000040,
0x01000040,0x80010000,0x80000000,0x00010040,
0x00000000,0x01000040,0x80010040,0x00010000,
0x01010000,0x80010040,0x00000040,0x81000040,
0x81000040,0x00000000,0x01010040,0x81010000,
0x00010040,0x01010000,0x81010000,0x80000000,
0x80010000,0x00000040,0x81000040,0x01010000,
0x81010040,0x01000000,0x00010040,0x80000040,
0x01000000,0x80010000,0x80000000,0x00010040,
0x80000040,0x81010040,0x01010000,0x81000000,
0x01010040,0x81010000,0x00000000,0x81000040,
0x00000040,0x00010000,0x81000000,0x01010040,
0x00010000,0x01000040,0x80010040,0x00000000,
0x81010000,0x80000000,0x01000040,0x80010040,
0x00800000,0x10800008,0x10002008,0x00000000,
0x00002000,0x10002008,0x00802008,0x10802000,
0x10802008,0x00800000,0x00000000,0x10000008,
0x00000008,0x10000000,0x10800008,0x00002008,
0x10002000,0x00802008,0x00800008,0x10002000,
0x10000008,0x10800000,0x10802000,0x00800008,
0x10800000,0x00002000,0x00002008,0x10802008,
0x00802000,0x00000008,0x10000000,0x00802000,
0x10000000,0x00802000,0x00800000,0x10002008,
0x10002008,0x10800008,0x10800008,0x00000008,
0x00800008,0x10000000,0x10002000,0x00800000,
0x10802000,0x00002008,0x00802008,0x10802000,
0x00002008,0x10000008,0x10802008,0x10800000,
0x00802000,0x00000000,0x00000008,0x10802008,
0x00000000,0x00802008,0x10800000,0x00002000,
0x10000008,0x10002000,0x00002000,0x00800008,
0x40004100,0x00004000,0x00100000,0x40104100,
0x40000000,0x40004100,0x00000100,0x40000000,
0x00100100,0x40100000,0x40104100,0x00104000,
0x40104000,0x00104100,0x00004000,0x00000100,
0x40100000,0x40000100,0x40004000,0x00004100,
0x00104000,0x00100100,0x40100100,0x40104000,
0x00004100,0x00000000,0x00000000,0x40100100,
0x40000100,0x40004000,0x00104100,0x00100000,
0x00104100,0x00100000,0x40104000,0x00004000,
0x00000100,0x40100100,0x00004000,0x00104100,
0x40004000,0x00000100,0x40000100,0x40100000,
0x40100100,0x40000000,0x00100000,0x40004100,
0x00000000,0x40104100,0x00100100,0x40000100,
0x40100000,0x40004000,0x40004100,0x00000000,
0x40104100,0x00104000,0x00104000,0x00004100,
0x00004100,0x00100100,0x40000000,0x40104000,
};
#endif
void cookey(UINT4 *subkeys, UINT4 *kn,int encrypt)
//UINT4 *subkeys;
//UINT4 *kn;
//int encrypt;
{
UINT4 *cooked, *raw0, *raw1;
int increment;
unsigned int i;
raw1 = kn;
cooked = encrypt ? subkeys : &subkeys[30];
increment = encrypt ? 1 : -3;
for (i = 0; i < 16; i++, raw1++)
{
raw0 = raw1++;
*cooked = (*raw0 & 0x00fc0000L) << 6;
*cooked |= (*raw0 & 0x00000fc0L) << 10;
*cooked |= (*raw1 & 0x00fc0000L) >> 10;
*cooked++ |= (*raw1 & 0x00000fc0L) >> 6;
*cooked = (*raw0 & 0x0003f000L) << 12;
*cooked |= (*raw0 & 0x0000003fL) << 16;
*cooked |= (*raw1 & 0x0003f000L) >> 4;
*cooked |= (*raw1 & 0x0000003fL);
cooked += increment;
}
}
/* Compute DES Subkeys */
void deskey(UINT4 subkeys[32], unsigned char *key,int encrypt)
//UINT4 subkeys[32];
//unsigned char key[8];
//int encrypt;
{
UINT4 kn[32];
int i, j, l, m, n;
unsigned char pc1m[56], pcr[56];
for(j = 0; j < 56; j++)
{
l = pc1[j];
m = l & 07;
pc1m[j] = (unsigned char)((key[l >> 3] & bytebit[m]) ? 1 : 0);
}
for(i = 0; i < 16; i++)
{
m = i << 1;
n = m + 1;
kn[m] = kn[n] = 0L;
for(j = 0; j < 28; j++)
{
l = j + totrot[i];
if(l < 28) pcr[j] = pc1m[l];
else pcr[j] = pc1m[l - 28];
}
for(j = 28; j < 56; j++)
{
l = j + totrot[i];
if(l < 56) pcr[j] = pc1m[l];
else pcr[j] = pc1m[l - 28];
}
for(j = 0; j < 24; j++)
{
if(pcr[pc2[j]])
kn[m] |= bigbyte[j];
if(pcr[pc2[j+24]])
kn[n] |= bigbyte[j];
}
}
cookey(subkeys, kn, encrypt);
#ifdef DES386
for(i=0;i < 32;i++)
subkeys[i] <<= 2;
#endif
R_memset((POINTER)pc1m, 0, sizeof(pc1m));
R_memset((POINTER)pcr, 0, sizeof(pcr));
R_memset((POINTER)kn, 0, sizeof(kn));
}
#ifndef DES386 /* ignore C version in favor of 386 ONLY desfunc */
#define Desf(l,r,key) \
{\
work = ((r >> 4) | (r << 28)) ^ *key;\
l ^= Spbox[6][work & 0x3f];\
l ^= Spbox[4][(work >> 8) & 0x3f];\
l ^= Spbox[2][(work >> 16) & 0x3f];\
l ^= Spbox[0][(work >> 24) & 0x3f];\
work = r ^ *(key+1);\
l ^= Spbox[7][work & 0x3f];\
l ^= Spbox[5][(work >> 8) & 0x3f];\
l ^= Spbox[3][(work >> 16) & 0x3f];\
l ^= Spbox[1][(work >> 24) & 0x3f];\
}
/* This desfunc code is marginally quicker than that uses in
RSAREF(tm)
*/
void desfunc(UINT4 *block,UINT4 *ks)
//UINT4 *block; /* Data block */
//UINT4 *ks; /* Key schedule */
{
unsigned long left,right,work;
left = block[0];
right = block[1];
work = ((left >> 4) ^ right) & 0x0f0f0f0f;
right ^= work;
left ^= work << 4;
work = ((left >> 16) ^ right) & 0xffff;
right ^= work;
left ^= work << 16;
work = ((right >> 2) ^ left) & 0x33333333;
left ^= work;
right ^= (work << 2);
work = ((right >> 8) ^ left) & 0xff00ff;
left ^= work;
right ^= (work << 8);
right = (right << 1) | (right >> 31);
work = (left ^ right) & 0xaaaaaaaa;
left ^= work;
right ^= work;
left = (left << 1) | (left >> 31);
/* Now do the 16 rounds */
Desf(left,right,&ks[0]);
Desf(right,left,&ks[2]);
Desf(left,right,&ks[4]);
Desf(right,left,&ks[6]);
Desf(left,right,&ks[8]);
Desf(right,left,&ks[10]);
Desf(left,right,&ks[12]);
Desf(right,left,&ks[14]);
Desf(left,right,&ks[16]);
Desf(right,left,&ks[18]);
Desf(left,right,&ks[20]);
Desf(right,left,&ks[22]);
Desf(left,right,&ks[24]);
Desf(right,left,&ks[26]);
Desf(left,right,&ks[28]);
Desf(right,left,&ks[30]);
right = (right << 31) | (right >> 1);
work = (left ^ right) & 0xaaaaaaaa;
left ^= work;
right ^= work;
left = (left >> 1) | (left << 31);
work = ((left >> 8) ^ right) & 0xff00ff;
right ^= work;
left ^= work << 8;
work = ((left >> 2) ^ right) & 0x33333333;
right ^= work;
left ^= work << 2;
work = ((right >> 16) ^ left) & 0xffff;
left ^= work;
right ^= work << 16;
work = ((right >> 4) ^ left) & 0x0f0f0f0f;
left ^= work;
right ^= work << 4;
*block++ = right;
*block = left;
}
#endif /* DES386 endif */
///////////////////////////////////////////////////////////////////////////////////////////////
//Here is the end of Des Core Algorithm
///////////////////////////////////////////////////////////////////////////////////////////////
//begin fo md5 block
/* Constants for MD5Transform routine. */
#define S11 7
#define S12 12
#define S13 17
#define S14 22
#define S21 5
#define S22 9
#define S23 14
#define S24 20
#define S31 4
#define S32 11
#define S33 16
#define S34 23
#define S41 6
#define S42 10
#define S43 15
#define S44 21
/* ROTATE_LEFT rotates x left n bits.
*/
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
unsigned char PADDING[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* F, G, H and I are basic MD5 functions.
*/
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
Rotation is separate from addition to prevent recomputation.
*/
#define FF(a, b, c, d, x, s, ac) { \
(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) { \
(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) { \
(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) { \
(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
/* MD5 initialization. Begins an MD5 operation, writing a new context. */
void MD5Init (MD5_CTX *context)
//MD5_CTX *context; /* context */
{
context->count[0] = context->count[1] = 0;
/* Load magic initialization constants.
*/
context->state[0] = 0x67452301;
context->state[1] = 0xefcdab89;
context->state[2] = 0x98badcfe;
context->state[3] = 0x10325476;
}
/* Encodes input (UINT4) into output (unsigned char). Assumes len is
a multiple of 4. */
void Encode(unsigned char *output, UINT4 *input,unsigned int len)
//unsigned char *output;
//UINT4 *input;
//unsigned int len;
{
unsigned int i, j;
for(i = 0, j = 0; j < len; i++, j += 4) {
output[j] = (unsigned char)(input[i] & 0xff);
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
}
}
void Decode(UINT4 *output, unsigned char *input,unsigned int len)
//UINT4 *output;
//unsigned char *input;
//unsigned int len;
{
unsigned int i, j;
for(i = 0, j = 0; j < len; i++, j += 4)
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
}
void MD5Transform (UINT4 state[4], unsigned char block[64])
//UINT4 state[4];
//unsigned char block[64];
{
UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
Decode(x, block, 64);
/* Round 1 */
FF(a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
FF(d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
FF(c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
FF(b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
FF(a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
FF(d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
FF(c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
FF(b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
FF(a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
FF(d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
/* Round 2 */
GG(a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
GG(d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
GG(b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
GG(a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
GG(d, a, b, c, x[10], S22, 0x2441453); /* 22 */
GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
GG(b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
GG(a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
GG(c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
GG(b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
GG(d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
GG(c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
/* Round 3 */
HH(a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
HH(d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
HH(a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
HH(d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
HH(c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
HH(d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
HH(c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
HH(b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
HH(a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
HH(b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
/* Round 4 */
II(a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
II(d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
II(b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
II(d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
II(b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
II(a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
II(c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
II(a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
II(c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
II(b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
/* Zeroize sensitive information. */
R_memset((POINTER)x, 0, sizeof(x));
}
/* MD5 block update operation. Continues an MD5 message-digest
operation, processing another message block, and updating the
context. */
void MD5Update(MD5_CTX *context, unsigned char *input,unsigned int inputLen)
//MD5_CTX *context; /* context */
//unsigned char *input; /* input block */
//unsigned int inputLen; /* length of input block */
{
unsigned int i, index, partLen;
/* Compute number of bytes mod 64 */
index = (unsigned int)((context->count[0] >> 3) & 0x3F);
/* Update number of bits */
if((context->count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3))
context->count[1]++;
context->count[1] += ((UINT4)inputLen >> 29);
partLen = 64 - index;
/* Transform as many times as possible.
*/
if(inputLen >= partLen) {
R_memcpy((POINTER)&context->buffer[index], (POINTER)input, partLen);
MD5Transform(context->state, context->buffer);
for(i = partLen; i + 63 < inputLen; i += 64)
MD5Transform(context->state, &input[i]);
index = 0;
}
else
i = 0;
/* Buffer remaining input */
R_memcpy((POINTER)&context->buffer[index], (POINTER)&input[i], inputLen-i);
}
/* MD5 finalization. Ends an MD5 message-digest operation, writing the
the message digest and zeroizing the context. */
void MD5Final (unsigned char digest[16],MD5_CTX *context)
//unsigned char digest[16]; /* message digest */
//MD5_CTX *context; /* context */
{
unsigned char bits[8];
unsigned int index, padLen;
/* Save number of bits */
Encode(bits, context->count, 8);
/* Pad out to 56 mod 64.
*/
index = (unsigned int)((context->count[0] >> 3) & 0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index);
MD5Update(context, PADDING, padLen);
/* Append length (before padding) */
MD5Update(context, bits, 8);
/* Store state in digest */
Encode(digest, context->state, 16);
/* Zeroize sensitive information. */
R_memset((POINTER)context, 0, sizeof(*context));
}
//end of md5 block
//begin of random functions
int R_RandomUpdate(R_RANDOM_STRUCT *random, unsigned char *block,unsigned int len)
//R_RANDOM_STRUCT *random; /* random structure */
//unsigned char *block; /* block of values to mix in */
//unsigned int len; /* length of block */
{
MD5_CTX context;
BYTE digest[16];
unsigned int i, j;
MD5Init(&context);
MD5Update(&context, block, len);
MD5Final(digest, &context);
/* add digest to state */
for(j = 0, i = 16; i > 0; i--) {
j += random->state[i-1] + digest[i-1];
random->state[i-1] = (BYTE)j;
j >>= 8;
}
if(random->bytesNeeded < len)
random->bytesNeeded = 0;
else
random->bytesNeeded -= len;
/* Clear sensitive information. */
R_memset((POINTER)digest, 0, sizeof (digest));
j = 0;
return(R_IDOK);
}
/* Get the number of seed byte still required by the object */
int R_GetRandomBytesNeeded(unsigned int *bytesNeeded, R_RANDOM_STRUCT *random)
//unsigned int *bytesNeeded; /* number of mix-in bytes needed */
//R_RANDOM_STRUCT *random; /* random structure */
{
*bytesNeeded = random->bytesNeeded;
return(R_IDOK);
}
void R_RandomCreate(R_RANDOM_STRUCT *random)
//R_RANDOM_STRUCT *random; /* random structure */
{
// unsigned int bytes;
clock_t cnow;
time_t t;
struct tm *gmt;
/* clear and setup object for seeding */
R_memset((POINTER)random->state, 0, sizeof(random->state));
random->outputAvailable = 0;
random->bytesNeeded = RANDOM_BYTES_RQINT; /* using internal value */
/* Add data to random object */
while(random->bytesNeeded) {
t = time(NULL); /* use for seed data */
gmt = gmtime(&t);
cnow = clock();
R_RandomUpdate(random, (POINTER)gmt, sizeof(struct tm));
R_RandomUpdate(random, (POINTER)&cnow, sizeof(clock_t));
}
/* Clean Up time data */
R_memset((POINTER)gmt, 0, sizeof(struct tm));
cnow = 0;
t = 0;
}
int R_GenerateBytes(unsigned char *block,unsigned int len, R_RANDOM_STRUCT *random)
//unsigned char *block; /* block */
//unsigned int len; /* length of block */
//R_RANDOM_STRUCT *random; /* random structure */
{
MD5_CTX context;
unsigned int avail, i;
if(random->bytesNeeded)
return(RE_NEED_RANDOM);
avail = random->outputAvailable;
while(avail < len) {
R_memcpy((POINTER)block, (POINTER)&random->output[16-avail], avail);
len -= avail;
block += avail;
/* generate new output */
MD5Init(&context);
MD5Update(&context, random->state, 16);
MD5Final(random->output, &context);
avail = 16;
/* increment state */
for(i = 16; i > 0; i--)
if(random->state[i-1]++)
break;
}
R_memcpy((POINTER)block, (POINTER)&random->output[16-avail], len);
random->outputAvailable = avail - len;
return(R_IDOK);
}
//end of random functions
///////////////////////////////////////////////////////////////////////////////////////////////
//Here is the begin of four des encrypt
///////////////////////////////////////////////////////////////////////////////////////////////
/* Initialize context. Caller must zeroize the context when finished. */
void DES_CBCInit(DES_CBC_CTX *context, unsigned char *key, unsigned char *iv,int encrypt)
//DES_CBC_CTX *context; /* context */
//unsigned char *key; /* key */
//unsigned char *iv; /* initializing vector */
//int encrypt; /* encrypt flag (1 = encrypt, 0 = decrypt) */
{
/* Save encrypt flag to context. */
context->encrypt = encrypt;
/* Pack initializing vector into context. */
scrunch(context->iv, iv);
scrunch(context->originalIV, iv);
/* Precompute key schedule */
deskey(context->subkeys, key, encrypt);
}
/* DES-CBC block update operation. Continues a DES-CBC encryption
operation, processing eight-byte message blocks, and updating
the context.
This requires len to be a multiple of 8.
*/
int DES_CBCUpdate(DES_CBC_CTX *context, unsigned char *output, unsigned char *input,
unsigned int len)
//DES_CBC_CTX *context; /* context */
//unsigned char *output; /* output block */
//unsigned char *input; /* input block */
//unsigned int len; /* length of input and output blocks */
{
UINT4 inputBlock[2], work[2];
unsigned int i;
if(len % 8) /* block size check */
return(RE_LEN);
for(i = 0; i < len/8; i++) {
scrunch(inputBlock, &input[8*i]);
/* Chain if encrypting. */
if(context->encrypt == 0) {
*work = *inputBlock;
*(work+1) = *(inputBlock+1);
}else{
*work = *inputBlock ^ *context->iv;
*(work+1) = *(inputBlock+1) ^ *(context->iv+1);
}
desfunc(work, context->subkeys);
/* Chain if decrypting, then update IV. */
if(context->encrypt == 0) {
*work ^= *context->iv;
*(work+1) ^= *(context->iv+1);
*context->iv = *inputBlock;
*(context->iv+1) = *(inputBlock+1);
}else{
*context->iv = *work;
*(context->iv+1) = *(work+1);
}
unscrunch (&output[8*i], work);
}
/* Clear sensitive information. */
R_memset((POINTER)inputBlock, 0, sizeof(inputBlock));
R_memset((POINTER)work, 0, sizeof(work));
return(R_IDOK);
}
void DES_CBCRestart(DES_CBC_CTX *context)
//DES_CBC_CTX *context; /* context */
{
/* Restore the original IV */
*context->iv = *context->originalIV;
*(context->iv+1) = *(context->originalIV+1);
}
/* Initialize context. Caller should clear the context when finished.
The key has the DES key, input whitener and output whitener concatenated.
This is the RSADSI special DES implementation.
*/
/*void DESX_CBCInit(DESX_CBC_CTX *context, unsigned char *key, unsigned char *iv,
int encrypt)
//DESX_CBC_CTX *context; /* context */
//unsigned char *key; /* DES key and whiteners */
//unsigned char *iv; /* DES initializing vector */
//int encrypt; /* encrypt flag (1 = encrypt, 0 = decrypt) */
/*
{
context->encrypt = encrypt;
scrunch(context->iv, iv);
scrunch(context->inputWhitener, key + 8);
scrunch(context->outputWhitener, key + 16);
scrunch(context->originalIV, iv);
deskey (context->subkeys, key, encrypt);
}
*/
/* DESX-CBC block update operation. Continues a DESX-CBC encryption
operation, processing eight-byte message blocks, and updating
the context. This is the RSADSI special DES implementation.
Requires len to a multiple of 8.
*/
//int DESX_CBCUpdate (DESX_CBC_CTX *context, unsigned char *output, unsigned char *input,
// unsigned int len)
//DESX_CBC_CTX *context; /* context */
//unsigned char *output; /* output block */
//unsigned char *input; /* input block */
//unsigned int len; /* length of input and output blocks */
/*
{
UINT4 inputBlock[2], work[2];
unsigned int i;
if(len % 8)
return(RE_LEN);
for(i = 0; i < len/8; i++)
{
scrunch(inputBlock, &input[8*i]);
if(context->encrypt == 0) {
*work = *inputBlock ^ *context->outputWhitener;
*(work+1) = *(inputBlock+1) ^ *(context->outputWhitener+1);
}else{
*work = *inputBlock ^ *context->iv ^ *context->inputWhitener;
*(work+1) = *(inputBlock+1) ^ *(context->iv+1) ^ *(context->inputWhitener+1);
}
desfunc(work, context->subkeys);
*/
/* Xor with whitener, chain if decrypting, then update IV. */
/*
if(context->encrypt == 0) {
*work ^= *context->iv ^ *context->inputWhitener;
*(work+1) ^= *(context->iv+1) ^ *(context->inputWhitener+1);
*(context->iv) = *inputBlock;
*(context->iv+1) = *(inputBlock+1);
}else{
*work ^= *context->outputWhitener;
*(work+1) ^= *(context->outputWhitener+1);
*context->iv = *work;
*(context->iv+1) = *(work+1);
}
unscrunch(&output[8*i], work);
}
R_memset((POINTER)inputBlock, 0, sizeof(inputBlock));
R_memset((POINTER)work, 0, sizeof(work));
return(R_IDOK);
}
*/
/*void DESX_CBCRestart(DESX_CBC_CTX *context)
//DESX_CBC_CTX *context; /* context */
/*{
*context->iv = *context->originalIV;
*(context->iv+1) = *(context->originalIV+1);
}
*/
/* Initialize context. Caller must zeroize the context when finished. */
/*void DES3_CBCInit(DES3_CBC_CTX *context, unsigned char *key, unsigned char *iv,int encrypt)
//DES3_CBC_CTX *context; /* context */
//unsigned char *key; /* key */
//unsigned char *iv; /* initializing vector */
//int encrypt; /* encrypt flag (1 = encrypt, 0 = decrypt) */
/*{
/* Copy encrypt flag to context. */
// context->encrypt = encrypt;
/* Pack initializing vector into context. */
// scrunch(context->iv, iv);
/* Save the IV for use in Restart */
// scrunch(context->originalIV, iv);
/* Precompute key schedules. */
// deskey(context->subkeys[0], encrypt ? key : &key[16], encrypt);
// deskey(context->subkeys[1], &key[8], !encrypt);
// deskey(context->subkeys[2], encrypt ? &key[16] : key, encrypt);
//}
//int DES3_CBCUpdate(DES3_CBC_CTX *context,unsigned char *output, unsigned char *input,
// unsigned int len)
//DES3_CBC_CTX *context; /* context */
//unsigned char *output; /* output block */
//unsigned char *input; /* input block */
//unsigned int len; /* length of input and output blocks */
//{
// UINT4 inputBlock[2], work[2];
// unsigned int i;
//
// if(len % 8) /* length check */
// return(RE_LEN);
// for(i = 0; i < len/8; i++) {
// scrunch(inputBlock, &input[8*i]);
/* Chain if encrypting. */
// if(context->encrypt == 0) {
// *work = *inputBlock;
// *(work+1) = *(inputBlock+1);
// }
// else {
/* *work = *inputBlock ^ *context->iv;
*(work+1) = *(inputBlock+1) ^ *(context->iv+1);
}
desfunc(work, context->subkeys[0]);
desfunc(work, context->subkeys[1]);
desfunc(work, context->subkeys[2]);
/* Chain if decrypting, then update IV. */
/* if(context->encrypt == 0) {
*work ^= *context->iv;
*(work+1) ^= *(context->iv+1);
*context->iv = *inputBlock;
*(context->iv+1) = *(inputBlock+1);
}
else {
*context->iv = *work;
*(context->iv+1) = *(work+1);
}
unscrunch(&output[8*i], work);
}
R_memset((POINTER)inputBlock, 0, sizeof(inputBlock));
R_memset((POINTER)work, 0, sizeof(work));
return (0);
}
void DES3_CBCRestart (DES3_CBC_CTX *context)
//DES3_CBC_CTX *context; /* context */
//{
/* Restore the original IV */
// *context->iv = *context->originalIV;
// *(context->iv+1) = *(context->originalIV+1);
//}
/* Assume len is a multiple of 8.*/
void EncryptBlk(R_ENVELOPE_CTX *context, unsigned char *output,
unsigned char * input,unsigned int len)
//R_ENVELOPE_CTX *context;
//unsigned char *output;
//unsigned char *input;
//unsigned int len;
{
// switch(context->encryptionAlgorithm) {
// case EA_DES_CBC:
DES_CBCUpdate (&context->cipherContext.des, output, input, len);
// break;
/* case EA_DESX_CBC:
DESX_CBCUpdate (&context->cipherContext.desx, output, input, len);
break;
case EA_DES_EDE2_CBC:
case EA_DES_EDE3_CBC:
DES3_CBCUpdate (&context->cipherContext.des3, output, input, len);
}
*/
}
//////////////////////////////////////////////////////////////////////////////////////////////
//Here is the end of four des encrypt
//////////////////////////////////////////////////////////////////////////////////////////////
//begin fo cipher functions
int CipherInit(R_ENVELOPE_CTX *context,int encryptionAlgorithm, unsigned char *key,
unsigned char *iv,int encrypt)
//##################################
//encrypt = 1 加密 encrypt = 0 解密
//##################################
//R_ENVELOPE_CTX *context;
//int encryptionAlgorithm;
//unsigned char *key;
//unsigned char *iv;
//int encrypt;
{
// switch(encryptionAlgorithm)
// {
// case EA_DES_CBC:
DES_CBCInit (&context->cipherContext.des, key, iv, encrypt);
/* break;
case EA_DESX_CBC:
DESX_CBCInit (&context->cipherContext.desx, key, iv, encrypt);
break;
case EA_DES_EDE2_CBC:
case EA_DES_EDE3_CBC:
DES3_CBCInit (&context->cipherContext.des3, key, iv, encrypt);
break;
default:
return (RE_ENCRYPTION_ALGORITHM);
}
*/
return(R_IDOK);
}
void RestartCipher(R_ENVELOPE_CTX *context)
//R_ENVELOPE_CTX *context;
{
// switch(context->encryptionAlgorithm) {
// case EA_DES_CBC:
DES_CBCRestart (&context->cipherContext.des);
/* break;
case EA_DESX_CBC:
DESX_CBCRestart (&context->cipherContext.desx);
break;
case EA_DES_EDE2_CBC:
case EA_DES_EDE3_CBC:
DES3_CBCRestart (&context->cipherContext.des3);
}
*/
}
//end of cipher functions
/*#########################################################
ingore rsa encrypt DES keys
#########################################################*/
///////////////////////////////////////////////////////////////////////////////////////////////
//Begin of rsa functions
int RSAPublicEncrypt(unsigned char *output, unsigned int *outputLen, unsigned char *input,
unsigned int *inputLen,
R_RANDOM_STRUCT *randomStruct)
//unsigned char *output; /* output block */
//unsigned int *outputLen; /* length of output block */
//unsigned char *input; /* input block */
//unsigned int inputLen; /* length of input block */
//R_RSA_PUBLIC_KEY *publicKey; /* RSA public key */
//R_RANDOM_STRUCT *randomStruct; /* random structure */
{
output=input;
*outputLen=*inputLen;
return 0;
}
int RSAPrivateDecrypt(unsigned char *output, unsigned int *outputLen, unsigned char *input,
unsigned int inputLen)
//unsigned char *output; /* output block */
//unsigned int *outputLen; /* length of output block */
//unsigned char *input; /* input block */
//unsigned int inputLen; /* length of input block */
//R_RSA_PRIVATE_KEY *privateKey; /* RSA private key */
{
output=input;
*outputLen=inputLen;
return 0;
}
///////////////////////////////////////////////////////////////////////////////////////////////
//begin of seal functions
/*
int R_SealInit(R_ENVELOPE_CTX *context, unsigned char **encryptedKeys,
unsigned int *encryptedKeyLens, unsigned char iv[8], unsigned int publicKeyCount,
int encryptionAlgorithm, R_RANDOM_STRUCT *randomStruct)
*/
//R_ENVELOPE_CTX *context; /* new context */
//unsigned char **encryptedKeys; /* encrypted keys */
//unsigned int *encryptedKeyLens; /* lengths of encrypted keys */
//unsigned char iv[8]; /* initialization vector */
//unsigned int publicKeyCount; /* number of public keys */
//R_RSA_PUBLIC_KEY **publicKeys; /* public keys */
//int encryptionAlgorithm; /* data encryption algorithm */
//R_RANDOM_STRUCT *randomStruct; /* random structure */
/*
{
int status;
unsigned char key[24];
unsigned int keyLen, i,keylentmp;
context->encryptionAlgorithm = encryptionAlgorithm;
keyLen = (encryptionAlgorithm == EA_DES_CBC) ? 8 : 24;
{
if((status = R_GenerateBytes (iv, 8, randomStruct)) == 0)
{
// if(encryptionAlgorithm == EA_DES_EDE2_CBC)
*/ /* Make both E keys the same */
// R_memcpy ((POINTER)(key + 16), (POINTER)key, 8);
/*
if((status = CipherInit (context, encryptionAlgorithm, key, iv, 1)) == 0)
{
for(i = 0; i < publicKeyCount; ++i)
{
if(RSAPublicEncrypt(encryptedKeys[i], &keylentmp, key, &keyLen,
randomStruct))
{
status = RE_PUBLIC_KEY;
break;
}
*encryptedKeyLens=keylentmp;
}
}
if(status == 0)
context->bufferLen = 0;
}
}
*/
/* Clear sensitive information. */
/*
R_memset(key, 0, sizeof(key));
return(status);
}
*/
/* partOut buffer should be at least partInLen + 7 */
int R_SealUpdate (R_ENVELOPE_CTX *context, unsigned char *partOut, unsigned int *partOutLen,
unsigned char *partIn, unsigned int partInLen)
//R_ENVELOPE_CTX *context; /* context */
//unsigned char *partOut; /* next encrypted data part */
//unsigned int *partOutLen; /* length of next encrypted data part */
//unsigned char *partIn; /* next data part */
//unsigned int partInLen; /* length of next data part */
{
unsigned int temp;
temp = 8 - context->bufferLen;
if(partInLen < temp)
{ /* Just accumulate into buffer. */
*partOutLen = 0;
R_memcpy((POINTER)(context->buffer + context->bufferLen), (POINTER)partIn, partInLen);
context->bufferLen += partInLen; /* Bug Fix - 02/09/95, SK */
return(R_IDOK);
}
/* Fill the buffer and encrypt. */
R_memcpy((POINTER)(context->buffer + context->bufferLen), (POINTER)partIn, temp);
EncryptBlk(context, partOut, context->buffer, 8);
partOut += 8;
*partOutLen = 8;
partIn += temp;
partInLen -= temp;
/* Encrypt as many 8-byte blocks as possible. */
temp = 8 * (partInLen / 8);
EncryptBlk(context, partOut, partIn, temp);
*partOutLen += temp;
partIn += temp;
partInLen -= temp;
/* Length now less than 8, so copy remainder to buffer for next time. */
R_memcpy((POINTER)context->buffer, partIn, context->bufferLen = partInLen);
return(R_IDOK);
}
/* Assume partOut buffer is at least 8 bytes. */
int R_SealFinal(R_ENVELOPE_CTX *context, unsigned char *partOut,
unsigned int *partOutLen)
//R_ENVELOPE_CTX *context; /* context */
//unsigned char *partOut; /* last encrypted data part */
//unsigned int *partOutLen; /* length of last encrypted data part */
{
unsigned int padLen;
/* Pad and encrypt final block. */
padLen = 8 - context->bufferLen; /* little trick to pad the block */
R_memset((POINTER)(context->buffer + context->bufferLen), (int)padLen, padLen);
EncryptBlk(context, partOut, context->buffer, 8);
*partOutLen = 8;
/* Restart the context. */
RestartCipher(context);
context->bufferLen = 0;
return(R_IDOK);
}
//end of seal functions
//begin of read or write functions
/* Read a block of up to length maxPartOutLen bytes from file, storing
it in partOut and returning its length in partOutLen.
Return 0 on success or 1 if error or end of file.
*/
/* Write block of length partOutLen to a file.
Return 0 on success or 1 if error.
*/
int R_OpenInit(R_ENVELOPE_CTX *context,int encryptionAlgorithm, unsigned char *encryptedKey,
unsigned int encryptedKeyLen,unsigned char iv[8],int flag)
//R_ENVELOPE_CTX *context; /* new context */
//int encryptionAlgorithm; /* data encryption algorithm */
//unsigned char *encryptedKey; /* encrypted data encryption key */
//unsigned int encryptedKeyLen; /* length of encrypted key */
//unsigned char iv[8]; /* initialization vector */
//R_RSA_PRIVATE_KEY *privateKey; /* recipient's RSA private key */
{
int status;
unsigned char key[MAX_ENCRYPTED_KEY_LEN];
unsigned int keyLen;
if(encryptedKeyLen > MAX_ENCRYPTED_KEY_LEN)
return(RE_LEN);
context->encryptionAlgorithm = encryptionAlgorithm;
if(RSAPrivateDecrypt(key, &keyLen, encryptedKey, encryptedKeyLen))
{
status = RE_PRIVATE_KEY;
}else
{
if(encryptionAlgorithm == EA_DES_CBC)
{
if(keyLen != 8) status = RE_PRIVATE_KEY;
else
{
if((status = CipherInit (context, encryptionAlgorithm, key, iv, flag)) == 0)
context->bufferLen = 0;
}
}else{
if(keyLen != 24) status = RE_PRIVATE_KEY;
else {
if((status = CipherInit (context, encryptionAlgorithm, key, iv, flag)) == 0)
context->bufferLen = 0;
}
}
}
/* Clear sensitive information. */
R_memset(key, 0, sizeof(key));
return(status);
}
int R_OpenUpdate(R_ENVELOPE_CTX *context, unsigned char *partOut, unsigned int *partOutLen,
unsigned char *partIn, unsigned int partInLen)
//R_ENVELOPE_CTX *context; /* context */
//unsigned char *partOut; /* next recovered data part */
//unsigned int *partOutLen; /* length of next recovered data part */
//unsigned char *partIn; /* next encrypted data part */
//unsigned int partInLen; /* length of next encrypted data part */
{
unsigned int tempLen;
tempLen = 8 - context->bufferLen;
if (partInLen <= tempLen) {
/* Just accumulate into buffer. */
*partOutLen = 0;
R_memcpy((POINTER)(context->buffer + context->bufferLen), partIn, partInLen);
context->bufferLen += partInLen;
return(R_IDOK);
}
/* Fill the buffer and decrypt. We know that there will be more left
in partIn after decrypting the buffer. */
R_memcpy((POINTER)(context->buffer + context->bufferLen), partIn, tempLen);
EncryptBlk (context, partOut, context->buffer, 8);
partOut += 8;
*partOutLen = 8;
partIn += tempLen;
partInLen -= tempLen;
/* Decrypt as many 8 byte blocks as possible, leaving at least one byte
in partIn. */
tempLen = 8 * ((partInLen - 1) / 8);
EncryptBlk (context, partOut, partIn, tempLen);
partIn += tempLen;
*partOutLen += tempLen;
partInLen -= tempLen;
/* Length is between 1 and 8, so copy into buffer. */
R_memcpy((POINTER)context->buffer, partIn, context->bufferLen = partInLen);
return (R_IDOK);
}
/* Assume partOut buffer is at least 7 bytes. */
int R_OpenFinal(R_ENVELOPE_CTX *context, unsigned char *partOut, unsigned int *partOutLen)
//R_ENVELOPE_CTX *context; /* context */
//unsigned char *partOut; /* last recovered data part */
//unsigned int *partOutLen; /* length of last recovered data part */
{
int status;
unsigned char lastPart[8];
unsigned int padLen;
status = 0;
if(context->bufferLen == 0)
/* There was no input data to decrypt */
*partOutLen = 0;
else {
if(context->bufferLen != 8) {
status = RE_KEY;
}else{
/* Decrypt and strip any padding from the final block. */
EncryptBlk (context, lastPart, context->buffer, 8);
padLen = lastPart[7];
if(padLen == 0 || padLen > 8)
status = RE_KEY;
else{
if(R_memcmp((POINTER)&lastPart[8 - padLen], PADDING_OPEN[padLen], padLen) != 0)
status = RE_KEY;
else
R_memcpy (partOut, lastPart, *partOutLen = 8 - padLen);
}
/* Restart the context. */
if(status == 0) {
RestartCipher(context);
context->bufferLen = 0;
}
}
}
/* Clear sensitive information. */
R_memset(lastPart, 0, sizeof(lastPart));
return (status);
}
//end of read or write block functions
///////////////////////////////////////////////////////////////////////////////////////////////
//Begin of output des functions
///////////////////////////////////////////////////////////////////////////////////////////////
int DesEncrypt(unsigned char *inchar, unsigned int inlen, unsigned char *outchar, unsigned int * outlen, unsigned char keystore[8]) //by yaoliang 2000.11.14
{
if ( (inlen >= *outlen) && ( *outlen != 0) ) return E_Length ; //not enough out length
lstrcpy((char *)outchar,""); //by yaoliang initial output char
R_ENVELOPE_CTX context;
int status;
unsigned char encryptedKey[MAX_ENCRYPTED_KEY_LEN], *encryptedKeys[1],
iv[8], partIn[24], partOut[31];
unsigned int encryptedKeyLen, partInLen, partOutLen, AllInLen=0, AllOutLen=0,i;
R_RANDOM_STRUCT *randomStruct, a;
R_RandomCreate(&a);
randomStruct=&a;
status = 0;
int encryptionAlgorithm=EA_DES_CBC;
encryptedKeys[0] = encryptedKey;
encryptedKeyLen = 8;
for ( int k = 0 ; k < 8 ; k++ ) iv[k]=keystore[k];
if((status = R_OpenInit(&context, encryptionAlgorithm, encryptedKey, encryptedKeyLen, iv,1)) == 0) //encrypt = 1 加密 encrypt = 0 解密
// if((status = R_SealInit(&context, encryptedKeys, &encryptedKeyLen, iv,1,encryptionAlgorithm, randomStruct)) == 0) //by yaoliang
{
while( AllInLen < inlen )
{
if (( inlen - AllInLen ) > 24 ) partInLen = 24;
else partInLen = inlen - AllInLen;
for (i=0;i<partInLen;i++) partIn[i]=inchar[AllInLen+i];
// _mbsnbcpy(partIn,( inchar + AllInLen ),partInLen);
if ((status = R_SealUpdate(&context, partOut, &partOutLen,partIn, partInLen)) != 0)
break;
for (i=0;i<partOutLen;i++) outchar[i+AllOutLen]=partOut[i];
AllInLen += partInLen;
AllOutLen += partOutLen;
// _mbsnbcat(outchar, partOut,partOutLen);
}
if(!status)
{
if((status = R_SealFinal (&context, partOut, &partOutLen)) == 0)
{
for (i=0;i<partOutLen;i++) outchar[i+AllOutLen]=partOut[i];
// _mbsnbcat(outchar, partOut,partOutLen);
AllOutLen += partOutLen;
}
// for ( int k = 0 ; k < 8 ; k++ ) keystore[k]=iv[k];
}
}
R_memset((POINTER)&context, 0, sizeof(context));
R_memset((POINTER)partIn, 0, sizeof(partIn));
R_memset((POINTER)iv, 0, sizeof(iv));
R_memset((POINTER)partOut, 0, sizeof(partOut));
*outlen = AllOutLen;
if (status) return E_Error;
else return 0;
}
/*extern "C" _declspec(dllexport)*/ int DesDecrypt(unsigned char *inchar, unsigned int inlen, unsigned char *outchar, unsigned int * outlen, unsigned char keystore[8]) //by yaoliang 2000.11.14
{
if ( (inlen - 8 >= *outlen) && ( *outlen != 0) ) return E_Length ; //not enough out length
lstrcpy((char *)outchar,"");
R_ENVELOPE_CTX context;
int status;
unsigned char encryptedKey[MAX_ENCRYPTED_KEY_LEN], iv[8], partIn[24], partOut[31];
unsigned int encryptedKeyLen, partInLen, partOutLen, AllInLen=0, AllOutLen=0,i;
status = 0;
int encryptionAlgorithm=EA_DES_CBC;
encryptedKeyLen = 8 ;
for ( int k = 0 ; k < 8 ; k++ ) iv[k]=keystore[k];
if((status = R_OpenInit(&context, encryptionAlgorithm, encryptedKey, encryptedKeyLen, iv,0)) == 0) //encrypt = 1 加密 encrypt = 0 解密
{
while ( AllInLen < inlen )
{
if (( inlen - AllInLen ) > 24 ) partInLen = 24;
else partInLen = inlen - AllInLen;
for (i=0;i<partInLen;i++) partIn[i]=inchar[AllInLen+i];
// _mbsnbcpy(partIn,( inchar + AllInLen ),partInLen);
if((status = R_OpenUpdate(&context, partOut, &partOutLen, partIn, partInLen)) != 0)
break;
for (i=0;i<partOutLen;i++) outchar[i+AllOutLen]=partOut[i];
AllInLen += partInLen;
AllOutLen += partOutLen;
// _mbsnbcat(outchar, partOut,partOutLen);
}
if((status = R_OpenFinal(&context, partOut, &partOutLen)) == 0)
{
for (i=0;i<partOutLen;i++) outchar[i+AllOutLen]=partOut[i];
// _mbsnbcat(outchar, partOut,partOutLen);
AllOutLen += partOutLen;
}
}
R_memset((POINTER)&context, 0, sizeof(context));
R_memset((POINTER)partOut, 0, sizeof(partOut));
R_memset((POINTER)iv, 0, sizeof(iv));
R_memset((POINTER)partIn, 0, sizeof(partIn));
*outlen = AllOutLen;
if (status) return E_Error;
else return 0;
}
/*外部必须已经分配足够的内存空间outbstrlen必须大于((inbstrlen / 8 + 1 )* 8 )*/
int DesBSTREncrypt (BSTR inbstr, unsigned int inbstrlen, BSTR outbstr, unsigned int * outbstrlen, unsigned char DesKey[8]) //by yaoliang 2000.11.14
{
unsigned inlen = inbstrlen * 2;
unsigned outlen = *outbstrlen * 2;
unsigned char * inchar = (unsigned char *)inbstr;
unsigned char * outchar = (unsigned char *)outbstr;
int statue = DesEncrypt(inchar, inlen, outchar, &outlen, DesKey);
*outbstrlen = outlen / 2;
return statue;
}
/*外部必须已经分配足够的内存空间outbstrlen必须大于(inbstrlen - 8 )*/
int DesBSTRDecrypt (BSTR inbstr, unsigned int inbstrlen, BSTR outbstr, unsigned int * outbstrlen, unsigned char DesKey[8]) //by yaoliang 2000.11.14
{
unsigned inlen = inbstrlen * 2;
unsigned outlen = *outbstrlen * 2;
unsigned char * inchar = (unsigned char *)inbstr;
unsigned char * outchar = (unsigned char *)outbstr;
int statue = DesDecrypt(inchar, inlen, outchar, &outlen, DesKey);
*outbstrlen = outlen / 2;
return 0;
}
///////////////////////////////////////////////////////////////////////////////////////////////
//End of output des functions
///////////////////////////////////////////////////////////////////////////////////////////////
/* Constants for MD5Transform routine. */
/*
#define S11 7
#define S12 12
#define S13 17
#define S14 22
#define S21 5
#define S22 9
#define S23 14
#define S24 20
#define S31 4
#define S32 11
#define S33 16
#define S34 23
#define S41 6
#define S42 10
#define S43 15
#define S44 21
/* F, G, H and I are basic MD5 functions.
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))
/* ROTATE_LEFT rotates x left n bits.
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
Rotation is separate from addition to prevent recomputation.
#define FF(a, b, c, d, x, s, ac) { \
(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) { \
(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) { \
(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) { \
(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
(a) = ROTATE_LEFT ((a), (s)); \
(a) += (b); \
}
*/
/* MD5 initialization. Begins an MD5 operation, writing a new context. */
//begin of output fuctions
//generate key
int KeyGenerate(unsigned char DesKey[8]) //by yaoliang 2000.11.14
{
int status,i;
R_ENVELOPE_CTX context;
R_RANDOM_STRUCT randomStruct;
unsigned char key[24];
int flag = 1 ;
int encryptionAlgorithm = EA_DES_CBC;
context.encryptionAlgorithm = encryptionAlgorithm;
do
{
R_RandomCreate(&randomStruct);
if((status = R_GenerateBytes (DesKey, 8, &randomStruct)) != 0) return status ;
if (status = CipherInit (&context, encryptionAlgorithm, key, DesKey, 1) != 0) return status;
for (i = 0 ; i < 8 ; i++)
{
if (DesKey[i] == 0) flag = 1 ;
}
} while ( flag ) ;
return 0;
}
/*外部必须已经分配足够的内存空间strlen(outputchar)长度必须大于( 16 + 1 )*/
int md5hash(unsigned char *inputchar,int inlen,unsigned char *outputchar) //by yaoliang 2000.8.14
{
MD5_CTX *md5ctx;
unsigned int j;
md5ctx=(MD5_CTX *)malloc(sizeof(MD5_CTX));
MD5Init (md5ctx);
MD5Update (md5ctx, inputchar,inlen/*lstrlen((char *)inputchar)*/); //by yaoliang lstrlen((char *)inputchar) return only 4 !!!
MD5Final (outputchar, md5ctx);
free (md5ctx);
div_t div_result;
for (j=0;j<16;j++)
{
div_result = div( outputchar[j] , 62);
outputchar[j]=div_result.rem;
if (outputchar[j] < 10) outputchar[j]+=('0'-0);
else
if ((outputchar[j] > 9)&&(outputchar[j] < 36)) outputchar[j]+=('a'-10);
else
if (outputchar[j] > 35) outputchar[j]+=('A'-36);
outputchar[16]='\0';
}
return 0;
}
/*外部必须已经分配足够的内存空间strlen(outchar)长度必须大于((strlen(inlen) / 8 + 1 )* 9 + 2 +1 )*/
int DesBSTREn (BSTR inbstr , BSTR * outbstr , unsigned char DesKey[8]) //by yaoliang 2000.12.02
{
if ( wcslen(inbstr) == 0 ) //if input is "", return "",not NULL
{
wcscpy ( (*outbstr) , L"") ;
return 0 ;
}
unsigned int inlen , outlen ,i;
LPTSTR tmp1;
char * inchar = new char [wcslen(inbstr)*2+1] ;
unsigned char * outchar = (unsigned char *) (*outbstr) ;
BSTR_to_LPTSTR (&tmp1, inbstr);
strcpy ((char *)inchar,tmp1);
LocalFree (tmp1);
inlen = strlen ((char *)inchar);
outlen = (inlen / 8 + 1 ) * 8;
int statue = DesEncrypt((unsigned char *)inchar, inlen, outchar+2, &outlen, DesKey);
if (statue) return statue ;
for ( i = 0 ; i < (inlen / 8 +1) ; i++ ) outchar [2+outlen+i] = 255 ;
for (i = 0 ; i < outlen ; i++ )
{
if (( outchar [i+2] == 0 ) || ( outchar [i+2] == 39 ) || ( outchar [i+2] == 34 ))
{
if ( outchar [i+2] == 0 ) outchar [i+2] = 255 ;
if ( outchar [i+2] == 34 ) outchar [i+2] = 254 ;
if ( outchar [i+2] == 39 ) outchar [i+2] = 253 ;
outchar [i/8+2+outlen] = outchar [i/8+2+outlen] & ( ~ ( 1 << ( i % 8 ))) ;
}
}
if ((inlen / 8 + 1) % 2)
{
outchar [outlen/8*9+2] = 255 ;
outchar [outlen/8*9+2+1] = 0 ;
outchar [outlen/8*9+2+2] = 0 ;
outlen = outlen / 8 * 9 + 2 + 1 + 2 ;
} else
{
outchar [outlen/8*9+2] = 0 ;
outchar [outlen/8*9+2+1] = 0 ;
outlen = outlen / 8 * 9 + 2 + 2 ;
}
outchar [0] = outlen / 255 ;
outchar [1] = outlen % 255 ;
outchar [0] = outchar [0] << 4 ;
outchar [0] = outchar [0] + 8 ;
if ( outchar [1] == 39 )
{
outchar [1] = 253 ;
outchar [0] += 1 ;
return 0 ;
}
if ( outchar [1] == 34 )
{
outchar [1] = 254 ;
outchar [0] += 2 ;
return 0 ;
}
if ( outchar [1] == 0 )
{
outchar [1] = 255 ;
outchar [0] += 4 ;
return 0 ;
}
free (inchar);
return 0 ;
}
/*外部必须已经分配足够的内存空间strlen(outchar)长度必须大于((strlen(inlen) - 2 - 1 ) / 9 * 8 )*/
int DesBSTRDe (BSTR inbstr , BSTR * outbstr , unsigned char DesKey[8]) //by yaoliang 2000.12.02
{
if ( wcslen(inbstr) == 0 ) //if input is "",return "",not NULL !!!
{
wcscpy ( (*outbstr) , L"") ;
return 0 ;
}
BSTR intmp = SysAllocStringByteLen (NULL,wcslen(inbstr)*2+2);
wcscpy (intmp,inbstr);
unsigned int i , j ;
unsigned int inlen , outlen ;
LPOLESTR tmp1;
unsigned char * inchar = (unsigned char *) inbstr ;
if ((inchar[0] & 0x07) == 4) inchar[1] = 0 ;
if ((inchar[0] & 0x07) == 2) inchar[1] = 34 ;
if ((inchar[0] & 0x07) == 1) inchar[1] = 39 ;
inchar [0] >>= 4 ;
outlen = (inchar [0]) * 255 + inchar [1] ;
if ((outlen - 2 - 2) % 9) inlen = ((outlen - 2 - 2 - 1) / 9 ) * 8 ;
else inlen = ((outlen - 2 - 2) / 9 ) * 8 ;
char * outchar = new char [inlen] ;
outlen = inlen ;
for (i = 0 ; i < inlen / 8 ; i++ )
{
for (j = 0 ; j < 8 ; j++)
{
if (!(inchar [2+inlen+i] & 1))
{
if ( inchar [i*8+j+2] == 255 ) inchar [i*8+j+2] = 0 ;
if ( inchar [i*8+j+2] == 254 ) inchar [i*8+j+2] = 34 ;
if ( inchar [i*8+j+2] == 253 ) inchar [i*8+j+2] = 39 ;
}
inchar [2+inlen+i] = inchar [2+inlen+i] >> 1 ;
}
}
int statue = DesDecrypt (inchar + 2 , inlen , (unsigned char *)outchar , &outlen, DesKey);
if ( statue ) return statue ;
outchar [outlen] = 0 ;
AnsiToUnicode((LPCSTR)outchar,&tmp1);
*outbstr = SysAllocString(tmp1);
wcscpy (inbstr,intmp) ;
SysFreeString (intmp) ;
CoTaskMemFree (tmp1);
free (outchar);
return 0;
}
/*外部必须已经分配足够的内存空间strlen(outchar)长度必须大于((strlen(inlen) / 8 + 1 )* 9 + 2 +1 )*/
int DesStrEn (unsigned char * inchar , unsigned char * outchar , unsigned char DesKey[8]) //by yaoliang 2000.12.02
{
if ( strlen((char *)inchar) == 0 ) //if retrun is "",return "",not NULL!!!
{
strcpy ((char *)outchar,"") ;
return 0 ;
}
unsigned int i;
unsigned int inlen = strlen ((char *)inchar);
unsigned int outlen = (inlen / 8 + 1 ) * 8;
// char * outtmp = new char [(inlen / 8 + 1 )* 9 + 2 +1 ];
/*默认外部已经分配足够的内存空间*/
// if ( (inlen >= *outlen) && ( *outlen != 0) ) return E_Length ; //not enough out length
int statue = DesEncrypt (inchar , inlen , outchar +2 , &outlen, DesKey);
if ( statue ) return statue ;
for ( i = 0 ; i < (inlen / 8 +1) ; i++ ) outchar [2+outlen+i] = 255 ;
for (i = 0 ; i < outlen ; i++ )
{
if (( outchar [i+2] == 0 ) || ( outchar [i+2] == 39 ) || ( outchar [i+2] == 34 ))
{
if ( outchar [i+2] == 0 ) outchar [i+2] = 255 ;
if ( outchar [i+2] == 34 ) outchar [i+2] = 254 ;
if ( outchar [i+2] == 39 ) outchar [i+2] = 253 ;
outchar [i/8+2+outlen] = outchar [i/8+2+outlen] & ( ~ ( 1 << ( i % 8 ))) ;
}
}
outchar [outlen/8*9+2] = 0 ;
outlen = outlen / 8 * 9 + 2 + 1 ;
outchar [0] = outlen / 255 ;
outchar [1] = outlen % 255 ;
outchar [0] = outchar [0] << 4 ;
outchar [0] = outchar [0] + 8 ;
if ( outchar [1] == 39 )
{
outchar [1] = 253 ;
outchar [0] += 1 ;
return 0 ;
}
if ( outchar [1] == 34 )
{
outchar [1] = 254 ;
outchar [0] += 2 ;
return 0 ;
}
if ( outchar [1] == 0 )
{
outchar [1] = 255 ;
outchar [0] += 4 ;
return 0 ;
}
return 0;
}
/*外部必须已经分配足够的内存空间strlen(outchar)长度必须大于((strlen(inlen) - 2 - 1 ) / 9 * 8 )*/
int DesStrDe (unsigned char * inchar , unsigned char * outchar , unsigned char DesKey[8]) //by yaoliang 2000.12.02
{
if ( strlen((char *)inchar) == 0 ) //if input is "",return "",not NULL!!!
{
strcpy ((char *)outchar,"") ;
return 0 ;
}
unsigned int i,j;
unsigned int inlen ;
unsigned int outlen ;
// char * outtmp = new char [(inlen / 8 + 1 )* 9 + 2 +1 ];
unsigned char * intmp = (unsigned char *) new char [strlen((char *)inchar)+1] ; //keep input into tmp
strcpy ((char *)intmp , (char *)inchar) ;
if ((inchar[0] & 0x07) == 4) inchar[1] = 0 ;
if ((inchar[0] & 0x07) == 2) inchar[1] = 34 ;
if ((inchar[0] & 0x07) == 1) inchar[1] = 39 ;
inchar [0] >>= 4 ;
outlen = (inchar [0]) * 255 + inchar [1] ;
inlen = ((outlen - 2 - 1) / 9 ) * 8 ;
/*默认外部已经分配足够的内存空间*/
// if ( (inlen >= *outlen) && ( *outlen != 0) ) return E_Length ; //not enough out length
for (i = 0 ; i < inlen / 8 ; i++ )
{
for (j = 0 ; j < 8 ; j++)
{
if (!(inchar [2+inlen+i] & 1))
{
if ( inchar [i*8+j+2] == 255 ) inchar [i*8+j+2] = 0 ;
if ( inchar [i*8+j+2] == 254 ) inchar [i*8+j+2] = 34 ;
if ( inchar [i*8+j+2] == 253 ) inchar [i*8+j+2] = 39 ;
}
inchar [2+inlen+i] = inchar [2+inlen+i] >> 1 ;
}
}
int statue = DesDecrypt (inchar + 2 , inlen , outchar , &outlen, DesKey);
if ( statue ) return statue ;
outchar [outlen] = 0 ;
strcpy ((char *)inchar , (char *)intmp) ; //keep input as origin
free (intmp);
return 0;
}
//end of output fuctions