#include?

void?Encryption（void）;
void?DatConvert（void）;
void?Send_Dat（unsigned?char?*datunsigned?char?num）;
unsigned?long?shift（unsigned?long?aunsigned?char?s）;

bit?Flag;

unsigned?char?ReceiveCountTimeCount;
unsigned?char?ReceiveDat[64];
unsigned?long?xdata?M[16];

unsigned?long?abcd;
unsigned?long?xdata?atemp=0x67452301btemp=0xefcdab89ctemp=0x98badcfedtemp=0x10325476;

unsigned?long?code?TiTable[]=
{	0xd76aa4780xe8c7b7560x242070db0xc1bdceee
	0xf57c0faf0x4787c62a0xa83046130xfd4695010x698098d8
	0x8b44f7af0xffff5bb10x895cd7be0x6b9011220xfd987193
	0xa679438e0x49b408210xf61e25620xc040b3400x265e5a51
	0xe9b6c7aa0xd62f105d0x024414530xd8a1e6810xe7d3fbc8
	0x21e1cde60xc33707d60xf4d50d870x455a14ed0xa9e3e905
	0xfcefa3f80x676f02d90x8d2a4c8a0xfffa39420x8771f681
	0x6d9d61220xfde5380c0xa4beea440x4bdecfa90xf6bb4b60
	0xbebfbc700x289b7ec60xeaa127fa0xd4ef30850x04881d05
	0xd9d4d0390xe6db99e50x1fa27cf80xc4ac56650xf4292244
	0x432aff970xab9423a70xfc93a0390x655b59c30x8f0ccc92
	0xffeff47d0x85845dd10x6fa87e4f0xfe2ce6e00xa3014314
	0x4e0811a10xf7537e820xbd3af2350x2ad7d2bb0xeb86d391
};

unsigned?char?code?STable[]=
{	7121722712172271217227121722
	591420591420591420591420411
	1623411162341116234111623610
	1521610152161015216101521
};

void?Uart_init（void）
{
	SCON?|=0x50;?????????//01010000?8?位可變波特率，無奇偶校驗位
?	TMOD|=0x20;?????????//00110001?設置定時器1為8位自動重裝計數器
	TL1?=?0xFd;		//設定定時初值??//9600bps
	TH1?=?0xFd;		//設定定時初值
	TR1=1;????//開定時器1
	ES=1;????//允許串口中斷??????
	EA?=?1;????????????
}

void?Timer0Init（void）
{
	TMOD|=0x01;//設置定時器0為工作方式1
	TL0?=?0x66;		//設置定時初值
	TH0?=?0xFC;		//設置定時初值???????????//定時1ms??//11.0592MHZ
	ET0=1;?????//打開定時器中斷
	EA=1;??????//打開總中斷開關
}


void?main（void）
{?
	Uart_init（）;?
	Timer0Init（）;
	while（1）
	{
		if（Flag）
		{
			Flag=0;
			DatConvert（）;		????//數據轉換
			Encryption（）;
			Send_Dat（ReceiveDat16）;
			ReceiveCount=0;
			ES=1;?			//開中斷????????????????????
?		}
	}
}

void?DatConvert（void）		?????///數據填充并分組
{
	unsigned?char?ib;
	unsigned?long?tmp;
	for（i=0;i<（64-ReceiveCount）;i++）
	{
		ReceiveDat[ReceiveCount+i]=0;
	}
	ReceiveDat[ReceiveCount]=0x80;	???????//數據末端加補1?其余位補0，不到448位即56個字節
	ReceiveDat[56]=ReceiveCount*8;		???//用8個字節表示原數據的長度，其余補0，一共64個字節；
	for（i=0;i<16;i++）			???????????//數據分組并得出M數值，由于是小端字序，所以高字節在高地址，低字節在低地址；如?11?22?33?44?實際值是0x44332211
	{
		for（b=0;b<4;b++）
		{
			tmp=tmp<<8;
			tmp=tmp|ReceiveDat[i*4+（3-b）];	
		}
		M[i]=tmp;
	}
}

void?Encryption（void）
{
	unsigned?char?i;
	unsigned?long?tempFg;
	a=atemp;
	b=btemp;
	c=ctemp;
	d=dtemp;
????for（i=0;i<64;i++）
	{
????????if（i<16）
		{
????????????F=（b&c）|（（~b）&d）;
????????????g=i;
????????}
		else?if（i<32）
		{
????????????F=（d&b）|（（~d）&c）;
????????????g=（5*i+1）%16;
????????}
		else?if（i<48）
		{
????????????F=b^c^d;
????????????g=（3*i+5）%

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????9700??2015-04-27?16:52??MD5加密算法程序\main.LST

?????文件???????4597??2015-04-27?16:52??MD5加密算法程序\main.c

?????文件??????54874??2015-04-27?21:17??MD5加密算法程序\agreement_uvopt.bak

?????文件??????????0??2015-04-16?18:28??MD5加密算法程序\agreement_uvproj.bak

?????文件??????12770??2015-04-27?16:52??MD5加密算法程序\main.OBJ

?????文件???????9743??2015-04-27?16:52??MD5加密算法程序\agreement

?????文件???????5227??2015-04-27?16:52??MD5加密算法程序\agreement.hex

?????文件?????????45??2015-04-27?16:52??MD5加密算法程序\agreement.lnp

?????文件??????13964??2015-04-27?16:52??MD5加密算法程序\agreement.M51

?????文件????????187??2015-04-27?22:02??MD5加密算法程序\agreement.plg

?????文件??????54876??2015-04-27?22:02??MD5加密算法程序\agreement.uvopt

?????文件??????13263??2015-04-16?19:17??MD5加密算法程序\agreement.uvproj

?????目錄??????????0??2015-11-07?14:03??MD5加密算法程序

-----------?---------??----------?-----??----

???????????????179246????????????????????13