轉:標準銀聯POS加解密、及MAC演算法
阿新 • • 發佈:2018-12-08
- private static final int iSelePM1[] = { // 置換選擇1的矩陣
- 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
- 20, 12, 4 };
-
- private static final int iSelePM2[] = { // 置換選擇2的矩陣
- 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 };
- private static final int iROLtime[] = { // 迴圈左移位數表
- 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 };
- private static final int iInitPM[] = { // 初始置換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 };
- private static final int iInvInitPM[] = { // 初始逆置換
- 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 };
- private static final int iEPM[] = { // 選擇運算E
- 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, 1 };
- private static final int iPPM[] = { // 置換運算P
- 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 };
- private static final int iSPM[][] = { // 8個S盒
- &