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DES
算法置换表，经验证可用
/**
*
扩展变换
E
，在
< br>F
变换中调用：
fTrans()
*/
int
[][]
expandTable
= {{32, 1, 2,
3, 4, 5},
/**
*
置换变换
P
，在置换运算中调用<
/p>
*/
int
[][]
pTable
= {{16, 7, 20, 21},
{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, 1}};
/**
*
初始置换
*/
int
[][]
displaceTable
= {{58, 50,
42, 34, 26, 18, 10, 2},
/**
*
逆初始置换
*/
int
[][]
antiDisplaceTable
= {{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}};
{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}};
9}
{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}};
/**
*
S
盒压缩，调用：
sBoxTrans
*/
int
[][][]
sBox
= {
//
S1
盒
{
},
// S2
盒
{
},
//
S3
盒
{
},
// S4
盒
{
{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,
{10, 0, 9,
14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2,
{13, 7, 0, 9, 3, 4, 6, 10, 2,
8, 5, 14, 12, 11, 15,
{13, 6, 4,
9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14,
{1,
10,
13, 0,
6, 9, 8, 7, 4,
15,
14,
3,
11, 5, 2,
12}
{15, 1, 8, 14, 6, 11, 3, 4, 9,
7, 2, 13, 12, 0, 5,
{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,
{14, 4,
13, 1, 2, 15, 11, 8, 3, 10, 6, 12,
5, 9, 0,
{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,
7},
13}
10},
8},
1},
7},
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