Input x K IP Left Shift Left shi PC2.C K(1) PC2. D oft shift Left Shift PC2.C PC2.D 中@ 9 3 CLeft Shift Left Shift C2.C K(3) PC2.D 765 CLeft Shift eft Shift K(15)+(2D Left shift LeftShift PC2.C K(16)+(rc2D 1 IP. DES Encryption Computation Output
卩P-初始置换 ■58,50,42,34,26,18,10.2, 12 9 60.52,44,36,28,20,12,4 3 765 ■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
IP-初始置换 ◼ 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
PC1 ■57,49,41,33,25,17,9,CHaf 12 9 3 1,58,50,42,34,26,18, 765 10,2,59,51,43,35,27, 19,11,3,60,52,44,36, 63,55,47,39,31,23,15,DHaf 7,62,54,46,38,30,22, 14,6,61,53,45,37,29, ■21,13,5,28,20.12,4
PC1 ◼ 57, 49, 41, 33, 25, 17, 9, C Half ◼ 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, D Half ◼ 7, 62, 54, 46, 38, 30, 22, ◼ 14, 6, 61, 53, 45, 37, 29, ◼ 21, 13, 5, 28, 20, 12, 4
S-box-1 0 1223456789 abcdefCOL S[]4 144,131,2,15,11,8,3,10,6,12,5,9,0,7, 限0,15,74,14,2,13,1,10,6,12,11,9,5,3,8, f,8,13,6,2,115,12,9,7,3,10,5,0, ,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13
S-box-1 ◼ 0 1 2 3 4 5 6 7 8 9 a b c d e f COL S[1] ◼ 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 ◼