58,50,42,34,26,18,10,2,60,52,44,36,28,20,12,4,62,54,46,38,30,22,14,6,64,56,48,40,32,24,16,8,57,49,41,33,25,17,9,1,59,51,43,35,27,19,11,3,61,53,45,37,29,21,13,5,63,55,47,39,31,23,15,7
);
var g_invip=new Array( //���ʼ�û�ip
40,8,48,16,56,24,64,32,39,7,47,15,55,23,63,31,38,6,46,14,54,22,62,30,37,5,45,13,53,21,61,29,36,4,44,12,52,20,60,28,35,3,43,11,51,19,59,27,34,2,42,10,50,18,58,26,33,1,41,9,49,17,57,25
);
32,1,2,3,4,5,4,5,6,7,8,9,8,9,10,11,12,13,12,13,14,15,16,17,16,17,18,19,20,21,20,21,22,23,24,25,24,25,26,27,28,29,28,29,30,31,32,31
);
16,7,20,21,29,12,28,17,1,15,23,26,5,18,31,10,2,8,24,14,32,27,3,9,19,13,30,6,22,11,4,25
);
14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7,0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8,4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0,15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13,
15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10,3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5,0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15,13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9,
10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8,13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1,13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7,1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12,
7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15,13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9,10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4,3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14,
2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9,14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6,4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14,11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3,
12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11,10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8,9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6,4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13,
4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1,13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6,1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2,6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12,
13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7,1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2,7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8,2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11
);
{
57,49,41,33,25,17,9,1,58,50,42,34,26,18,10,2,59,51,43,35,27,19,11,3,60,52,44,36,63,55,47,39,31,23,15,7,62,54,46,38,30,22,14,6,61,53,45,37,29,21,13,5,28,20,12,4
);
var pc2=new Array( //�Ծ�����λ�õ���64bitѡλ�õ�48λ��Կ
14,17,11,24,1,5,3,28,15,6,21,10,23,19,12,4,26,8,16,7,27,20,13,2,41,52,31,37,47,55,30,40,51,45,33,48,44,49,39,56,34,53,46,42,50,36,29,32
);
var nls=new Array(1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1);
for(n=i=0;i<8;i++)
b_array_key[n++]=str_Key.charCodeAt(i)>>i&0x01; //��ö�����
var c=new Array(28);
var d=new Array(28);
cd[i]=b_array_key[pc1[i]-1];
for(i=0;i<28;i++){
c[i]=cd[i];
d[i]=cd[i+28]; //����c,d
}
for(cnt=0;cnt<16;cnt++){
for(i=0;i<nls[cnt];i++){
c=lshift(c);
d=lshift(d);
}
for(i=0;i<28;i++){
cd[i]=c[i];
cd[28+i]=d[i];
}
for(i=0;i<48;i++){
g_keyOut[cnt*48+i]=cd[pc2[i]-1];
}
}
}
function lshift(p_Array) //ѭ������һλ
{
var tmp_Array=new Array(28);
for(i=0;i<27;i++) tmp_Array[i]=p_Array[i+1];
tmp_Array[27]=p_Array[0];
return tmp_Array;
{
var b_array_fout=new Array(32);
var b_array_expand=new Array(48);
var array_pout=new Array(48);
if(cnt==2)
for(i=0;i<p_array_r.length;i++){
//document.writeln(p_array_r[i]);
}
//if(cnt==2)
//document.writeln(p_array_r[g_e[i]-1]);
b_array_expand[i]=p_array_r[g_e[i]-1];
}
var b_array_dor = new Array(48);
for(i=0;i<48;i++){ //������Կki��λ���8�飬ÿ��6bit
//if(cnt==2)
//document.writeln(g_keyOut[cnt*48+i]);
var be;
if(g_keyOut[cnt*48+i]){
be= g_keyOut[cnt*48+i];
}
else{
be= 0;
}
b_array_dor[i]= b_array_expand[i]^be;
}
for(scnt=n=0;scnt<8;scnt++){
row=(b_array_dor[scnt*6+0]<<1)+b_array_dor[scnt*6+5];
col=(b_array_dor[scnt*6+1]<<3)+(b_array_dor[scnt*6+2]<<2)+(b_array_dor[scnt*6+3]<<1)+b_array_dor[scnt*6+4]
var sout=new Array(8);
sout[scnt]=g_s[scnt*64+(row<<4)+col];
for(i=3;i>=0;i--){
array_pout[n]=sout[scnt]>>i;
sout[scnt]=sout[scnt]-(array_pout[n++]<<i);
}
}
for(i=0;i<32;i++){
b_array_fout[i]=array_pout[g_p[i]-1];
//if(cnt==2)
//document.writeln(b_array_fout[i]);
}
{
// InitKey("454554454"); //only test , here
var b_array_lr = new Array(64);
var b_array_l = new Array(32);
var b_array_r = new Array(32);
var b_array_fn = new Array(32);
for(j=0;j<8;j++) {
//alert(str_input.charCodeAt(i));
b_array_input[n++]=str_input.charCodeAt(i)>>j&0x01; //��ö�����
//alert(str_input.charCodeAt(i)>>j&0x01);
}
b_array_lr[i]=b_array_input[g_ip[i]-1];
else { b_array_r[i-32] = b_array_lr[i];
}
{
for(i=0;i<32;i++){
//document.writeln(b_array_fn[i]);
j=b_array_r[i];
b_array_r[i]=b_array_l[i]^b_array_fn[i];
b_array_l[i]=j;
//document.writeln(j);
//alert(b_array_r[i]);
}
b_array_lr[i]=b_array_r[i];
b_array_lr[i+32]=b_array_l[i];
//document.writeln(b_array_r[i]);
}
for(i=0;i<64;i++) {fout[i]=b_array_lr[g_invip[i]-1];
//document.writeln(b_array_lr[i]);
}
var strout="";
for(i=0;i<8;i++){
sum=0;
for(j=0;j<8;j++){
//document.writeln(fout[i*8+j]<<j);
sum+=(fout[i*8+j]<<j);
// document.writeln(sum);
}
strout+=String.fromCharCode(sum);
//document.write(String.fromCharCode(sum));
}
function Des_deCrypt(str_input) //����
{
var b_array_input = new Array(64);
var b_array_lr = new Array(64);
var b_array_l = new Array(32);
var b_array_r = new Array(32);
var b_array_fn = new Array(32);
for(j=0;j<8;j++)
b_array_input[n++]=str_input.charCodeAt(i)>>j&0x01; //��ö�����
b_array_lr[i]=b_array_input[g_ip[i]-1];
if(i<32) b_array_l[i] = b_array_lr[i];
else b_array_r[i-32] = b_array_lr[i]; //����l,r
}
{
b_array_fn=frk(b_array_r,cnt);
for(i=0;i<32;i++){
j=b_array_r[i];
b_array_r[i]=b_array_l[i]^b_array_fn[i];
b_array_l[i]=j;
}
}
b_array_lr[i]=b_array_r[i];
b_array_lr[i+32]=b_array_l[i];
}
for(i=0;i<64;i++) fout[i]=b_array_lr[g_invip[i]-1];
var strout="";
for(i=0;i<8;i++){
sum=0;
for(j=0;j<8;j++){
sum+=(fout[i*8+j]<<j);
}
strout+=String.fromCharCode(sum);
}
return strout;
}
//document.write ('<br>'+Des_EnCrypt('12345678'));
//document.write ('<br>'+Des_deCrypt(Des_EnCrypt('1')));
// Test
public Encrypt() {
}
int[] g_ip = new int[] { //初始置换ip
58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,
57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,
61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7
};
int[] g_invip = new int[] { //逆初始置换ip
40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63,
31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21,
61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51,
19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9,
49, 17, 57, 25
};
32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12,
13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24,
25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 31
};
16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, 2,
8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25
};
14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, 0, 15, 7,
4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, 4, 1, 14, 8, 13, 6,
2, 11, 15, 12, 9, 7, 3, 10, 5, 0, 15, 12, 8, 2, 4, 9, 1, 7, 5,
11, 3, 14, 10, 0, 6, 13,
15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, 3, 13, 4,
7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, 0, 14, 7, 11, 10,
4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, 13, 8, 10, 1, 3, 15, 4, 2,
11, 6, 7, 12, 0, 5, 14, 9,
10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, 13, 7, 0,
9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, 13, 6, 4, 9, 8, 15,
3, 0, 11, 1, 2, 12, 5, 10, 14, 7, 1, 10, 13, 0, 6, 9, 8, 7, 4,
15, 14, 3, 11, 5, 2, 12,
7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, 13, 8,
11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, 10, 6, 9, 0, 12,
11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, 3, 15, 0, 6, 10, 1, 13, 8,
9, 4, 5, 11, 12, 7, 2, 14,
2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, 14, 11,
2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, 4, 2, 1, 11, 10,
13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, 11, 8, 12, 7, 1, 14, 2,
13, 6, 15, 0, 9, 10, 4, 5, 3,
12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, 10, 15,
4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, 9, 14, 15, 5, 2,
8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, 4, 3, 2, 12, 9, 5, 15, 10,
11, 14, 1, 7, 6, 0, 8, 13,
4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, 13, 0,
11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, 1, 4, 11, 13,
12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, 6, 11, 13, 8, 1, 4, 10,
7, 9, 5, 0, 15, 14, 2, 3, 12,
13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, 1, 15,
13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, 7, 11, 4, 1, 9,
12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, 2, 1, 14, 7, 4, 10, 8,
13, 15, 12, 9, 0, 3, 5, 6, 11
};
int i, n;
int[] pc1 = new int[] { //对64bit密钥进行置换为56位
57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10,
2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63, 55,
47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61,
53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4
};
int[] pc2 = new int[] { //对经过移位得到的64bit选位得到48位密钥
14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4,
26, 8, 16, 7, 27, 20, 13, 2, 41, 52, 31, 37, 47, 55, 30,
40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36,
29, 32
};
int[] nls = new int[] {1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1};
char s = 's';
int bt1 = (int) str_Key.charAt(i);
bt1 >>= i;
bt1 &= 0x01;
b_array_key[n++] = bt1; //获得二进制
}
int[] cd = new int[56];
int[] c = new int[28];
int[] d = new int[28];
cd[i] = b_array_key[pc1[i] - 1];
}
for (i = 0; i < 28; i++) {
c[i] = cd[i];
d[i] = cd[i + 28]; //分离c,d
}
for (int cnt = 0; cnt < 16; cnt++) {
for (i = 0; i < nls[cnt]; i++) {
c = lshift(c);
d = lshift(d);
}
for (i = 0; i < 28; i++) {
cd[i] = c[i];
cd[28 + i] = d[i];
}
for (i = 0; i < 48; i++) {
g_keyOut[cnt * 48 + i] = cd[pc2[i] - 1];
}
}
}
public int[] lshift(int[] p_Array) { //循环左移一位
int[] tmp_Array = new int[28];
for (int i = 0; i < 27; i++) {
tmp_Array[i] = p_Array[i + 1];
}
tmp_Array[27] = p_Array[0];
return tmp_Array;
int i, scnt, n;
int[] b_array_fout = new int[32];
int[] b_array_expand = new int[48];
int[] array_pout = new int[48];
for(i=0;i<p_array_r.length;i++){
//System.out.print(p_array_r[i]);
}
for (i = 0; i < 48; i++) { //将32位转换为48位
//if(cnt==2)
//System.out.print(p_array_r[g_e[i] - 1]);
b_array_expand[i] = p_array_r[g_e[i] - 1];
}
int[] b_array_dor = new int[48];
for (i = 0; i < 48; i++) { //再与密钥ki按位异或,8组,每组6bit
int be = b_array_expand[i];
//if(cnt==2)
// System.out.print(be);
int be2 = g_keyOut[cnt * 48 + i];
be ^= be2;
//if(cnt==2)
//System.out.print(be2);
b_array_dor[i] = be;
//if(cnt==2)
//System.out.print(b_array_dor[i]);
for (scnt = n = 0; scnt < 8; scnt++) {
int bdor = b_array_dor[scnt * 6 + 0];
bdor <<= 1;
int bdor2 = b_array_dor[scnt * 6 + 5];
bdor += bdor2;
int colbt2 = b_array_dor[scnt * 6 + 2];
int colbt3 = b_array_dor[scnt * 6 + 3];
int colbt4 = b_array_dor[scnt * 6 + 4];
colbt1 <<= 3;
colbt2 <<= 2;
colbt3 <<= 1;
colbt1 += colbt2;
colbt1 += colbt3;
colbt1 += colbt4;
int row = bdor;
int col = colbt1;
int[] sout = new int[8];
sout[scnt] = g_s[scnt * 64 + (row << 4) + col];
for (i = 3; i >= 0; i--) {
int soutb = sout[scnt];
soutb >>= i;
array_pout[n] = soutb;
int poutb = array_pout[n++];
poutb <<= i;
}
}
for (i = 0; i < 32; i++) {
//if(cnt==2)
// System.out.print(b_array_fout[i]);
}
}
// InitKey("454554454"); //only test , here
int n, i, j,sum;
// int sum;
String strout = "";
int[] b_array_input = new int[64];
int[] b_array_lr = new int[64];
int[] b_array_l = new int[32];
int[] b_array_r = new int[32];
int[] b_array_fn = new int[32];
int bt1=0;
if(i<str_input.length()){
bt1 = (int) str_input.charAt(i);
}else{
bt1=0;
}
//System.out.println(bt1);
bt1 >>= j;
bt1 &= 0x01;
b_array_input[n++] = bt1;
}
}
b_array_lr[i] = b_array_input[g_ip[i] - 1];
b_array_l[i] = b_array_lr[i];
b_array_r[i - 32] = b_array_lr[i]; //分离l,r
}
for (int cnt = 0; cnt < 16; cnt++) {
b_array_fn = frk(b_array_r, cnt);
//System.out.print(b_array_fn[i]);
int bj = b_array_r[i];
int aryl = b_array_l[i];
int aryfn = b_array_fn[i];
aryl ^= aryfn;
b_array_r[i] = aryl;
b_array_l[i] = bj;
//System.out.print(bj);
//System.out.println(aryfn);
}
}
b_array_lr[i] = b_array_r[i];
b_array_lr[i + 32] = b_array_l[i];
//System.out.print(b_array_r[i]);
}
for (i = 0; i < 64; i++) {
fout[i] = b_array_lr[g_invip[i] - 1];
//System.out.print(b_array_lr[i]);
//System.out.print(fout[i]);
}
sum = 0;
for (j = 0; j < 8; j++) {
int foutb = fout[i * 8 + j];
//System.out.print(foutb);
sum += foutb;
//System.out.println(sum);
}
strout += (char)sum;
sum=0;
//System.out.println(sum);
//document.write(String.fromCharCode(sum));
}
int n, i, j, cnt;
int sum;
String strout = "";
int[] b_array_input = new int[64];
int[] b_array_lr = new int[64];
int[] b_array_l = new int[32];
int[] b_array_r = new int[32];
int[] b_array_fn = new int[32];
for (j = 0; j < 8; j++) {
int bt1 = (int) str_input.charAt(i);
bt1 >>= j;
bt1 &= 0x01;
b_array_input[n++] = bt1;
}
}
for (i = 0; i < 64; i++) {
b_array_lr[i] = b_array_input[g_ip[i] - 1];
if (i < 32) {
b_array_l[i] = b_array_lr[i];
} else {
b_array_r[i - 32] = b_array_lr[i]; //分离l,r
}
}
b_array_fn = frk(b_array_r, cnt);
for (i = 0; i < 32; i++) {
int bj = b_array_r[i];
int aryl = b_array_l[i];
int aryfn = b_array_fn[i];
aryl ^= aryfn;
b_array_r[i] = aryl;
b_array_l[i] = bj;
}
b_array_lr[i] = b_array_r[i];
b_array_lr[i + 32] = b_array_l[i];
}
for (i = 0; i < 64; i++) {
fout[i] = b_array_lr[g_invip[i] - 1];
}
sum = 0;
for (j = 0; j < 8; j++) {
sum += (fout[i * 8 + j] << j);
}
//System.out.println();
strout += (char)sum;
}
return strout;
}