第三步3.1：钥匙[8]----制作成[8][8]

#include<stdio.h>
#include<string.h>
typedef unsigned char  uint8_t;
typedef unsigned short uint16_t;
const unsigned char BitPMC[8][64]=
{
	{ 56, 0, 53, 29, 17, 44, 24, 8, 20, 23, 43, 16, 7, 46, 36, 57, 2, 19, 42, 35, 32, 15, 31, 26, 54, 60, 33, 9, 38, 11, 61, 30, 10, 47,
	40, 5, 52, 25, 41, 27, 62, 63, 6, 58, 13, 21, 3, 28, 18, 49, 55, 59, 39, 51, 12, 37, 14, 1, 4, 34, 22, 45, 48, 50 },

	{63, 10, 47, 58, 39, 38, 51, 42, 23, 54, 3, 21, 14, 55,49, 29, 37, 28, 56, 40, 61, 43, 60, 18, 16, 57, 26, 9, 30, 34,
	11, 33, 1, 27, 53, 12, 36, 48, 52, 22, 46, 8, 45, 44, 59, 15, 5, 6, 13, 24, 35, 31, 2, 62, 41, 0, 4, 25, 50, 20, 7, 17, 32, 19 },

	{8, 5, 46, 4, 39, 44, 63, 52, 2, 54, 56, 62, 21, 32, 50,48, 20, 22, 47, 57, 60, 37, 12, 34, 9, 41, 27, 11, 6, 18, 33, 14,
	24, 31, 28, 55, 36, 23, 16, 40, 51, 25, 61, 43, 17, 3, 35, 53, 0, 7, 10, 58, 15, 1, 13, 19, 38, 45, 29, 42, 49, 26, 59, 30 },

	{26, 52, 25, 7, 48, 49, 56, 30, 27, 11, 22, 47, 8, 16,40, 10, 9, 24, 50, 62, 57, 44, 34, 14, 4, 55, 59, 5, 39, 23, 17, 58, 12,
	3, 63, 43, 6, 20, 51, 42, 45, 28, 31, 54, 53, 1, 41, 35, 13, 60, 21, 61, 19, 2, 46, 15, 36, 33, 18, 37, 0, 32, 38, 29 },

	{ 42, 48, 16, 38, 41, 57, 53, 3, 52, 14, 61, 33, 26, 19, 32, 58, 10, 1, 9, 24, 43, 8, 15, 5, 56, 2, 40, 36, 7, 0, 17, 20, 45, 37, 6,
	13, 25, 34, 11, 27, 30, 12, 63, 31, 28, 47, 4, 51, 62, 22, 55, 44, 29, 35, 59, 23, 46, 50, 39, 60, 49, 18, 21, 54 },

	{ 51, 44, 45, 12, 10, 19, 9, 57, 53, 0, 49, 8, 29, 7, 22, 36, 13, 58, 35, 15, 50, 23, 59, 52, 63, 4, 30, 43, 26, 33, 42, 1, 14, 24,
	55, 38, 5, 32, 48, 28, 21, 31, 17, 46, 41, 47, 60, 25, 20, 11, 61, 3, 6, 16, 2, 40, 39, 18, 62, 37, 34, 27, 56, 54 },

	{ 19, 61, 20, 15, 0, 59, 60, 12, 10, 16, 35, 36, 34, 5, 27, 8, 43, 3, 54, 7, 57, 58, 26, 56, 13, 1, 23, 50, 11, 6, 25, 22, 31, 44,
	62, 53, 14, 33, 39, 48, 52, 2, 40, 41, 29, 17, 18, 4, 47, 28, 63, 24, 9, 32, 21, 46, 49, 30, 38, 37, 51, 45, 42, 55 },

	{ 33, 24, 29, 28, 30, 51, 20, 25, 0, 57, 22, 34, 13, 44, 31, 17, 49, 16, 18, 50, 4, 48, 5, 38, 41, 12, 63, 26, 55, 37, 52, 60, 27, 9,
	21, 19, 45, 39, 54, 15, 53, 7, 43, 46, 62, 11, 14, 36, 56, 1, 10, 23, 42, 61, 8, 35, 40, 59, 47, 32, 2, 58, 6, 3 }

};

void makeKey(unsigned char* inKey,unsigned char outKey[][8])
{
	unsigned char newData[8]={0,0,0,0,0,0,0,0};
	int i,j,k;
	memset(outKey,0,sizeof(outKey));
	for(i=0;i<8;i++)
	{
		for(j=0;j<64;j++)
		{
			if((inKey[BitPMC[i][j]>>3]&(1<<(7-(BitPMC[i][j]&7))))!=0)
			newData[j>>3]=newData[j>>3]|(1<<(7-(j&7)));
		}
		for(k=0;k<8;k++)
		outKey[i][k] = newData[k];
		memset(newData,0,sizeof(newData));
	}
}

int main(void)
{
	unsigned char subkey[8][8];
	int i,j;
	uint8_t pwd[8]={ 0x59,0x26,0x17,0x0A ,0x8F,0x21,0x02,0xE0};
	makeKey(pwd,subkey);
	for(i=0;i<8;i++)	
 	 for(j=0;j<8;j++)
    	{printf("%02X  ",subkey[i][j]);if(j==7)printf("\n");}
    return 0;
}

80  4B  68  89  C0  1F  09  E8  
7D  F8  E0  48  89  00  80  8B  
18  6C  74  01  2C  04  77  91  
13  31  09  8D  41  54  A8  96  
95  47  C0  98  50  8E  41  23  
0D  07  C4  63  95  84  10  93  
80  90  7D  E1  0A  01  C6  72  
18  68  09  04  36  43  F8  35