des_key_sel.v

有效的改进3-DES算法的执行速度

assign K6[16] = mode ? K_r4[46] : K_r4[40];
assign K6[17] = mode ? K_r4[4] : K_r4[55];
assign K6[18] = mode ? K_r4[17] : K_r4[11];
assign K6[19] = mode ? K_r4[48] : K_r4[10];
assign K6[20] = mode ? K_r4[10] : K_r4[4];
assign K6[21] = mode ? K_r4[11] : K_r4[5];
assign K6[22] = mode ? K_r4[19] : K_r4[13];
assign K6[23] = mode ? K_r4[27] : K_r4[46];
assign K6[24] = mode ? K_r4[32] : K_r4[26];
assign K6[25] = mode ? K_r4[21] : K_r4[44];
assign K6[26] = mode ? K_r4[43] : K_r4[35];
assign K6[27] = mode ? K_r4[37] : K_r4[29];
assign K6[28] = mode ? K_r4[52] : K_r4[16];
assign K6[29] = mode ? K_r4[8] : K_r4[0];
assign K6[30] = mode ? K_r4[9] : K_r4[1];
assign K6[31] = mode ? K_r4[30] : K_r4[22];
assign K6[32] = mode ? K_r4[14] : K_r4[37];
assign K6[33] = mode ? K_r4[36] : K_r4[28];
assign K6[34] = mode ? K_r4[49] : K_r4[45];
assign K6[35] = mode ? K_r4[51] : K_r4[43];
assign K6[36] = mode ? K_r4[15] : K_r4[7];
assign K6[37] = mode ? K_r4[42] : K_r4[38];
assign K6[38] = mode ? K_r4[22] : K_r4[14];
assign K6[39] = mode ? K_r4[7] : K_r4[30];
assign K6[40] = mode ? K_r4[16] : K_r4[8];
assign K6[41] = mode ? K_r4[31] : K_r4[50];
assign K6[42] = mode ? K_r4[50] : K_r4[42];
assign K6[43] = mode ? K_r4[1] : K_r4[52];
assign K6[44] = mode ? K_r4[28] : K_r4[51];
assign K6[45] = mode ? K_r4[29] : K_r4[21];
assign K6[46] = mode ? K_r4[45] : K_r4[9];
assign K6[47] = mode ? K_r4[23] : K_r4[15];
assign K6[48] = mode ? K_r4[44] : K_r4[36];

assign K5[1]  = mode ? K_r3[48] : K_r3[39];
assign K5[2]  = mode ? K_r3[12] : K_r3[3];
assign K5[3]  = mode ? K_r3[27] : K_r3[18];
assign K5[4]  = mode ? K_r3[4] : K_r3[27];
assign K5[5]  = mode ? K_r3[39] : K_r3[5];
assign K5[6]  = mode ? K_r3[10] : K_r3[33];
assign K5[7]  = mode ? K_r3[53] : K_r3[19];
assign K5[8]  = mode ? K_r3[32] : K_r3[55];
assign K5[9]  = mode ? K_r3[55] : K_r3[46];
assign K5[10] = mode ? K_r3[17] : K_r3[40];
assign K5[11] = mode ? K_r3[40] : K_r3[6];
assign K5[12] = mode ? K_r3[20] : K_r3[11];
assign K5[13] = mode ? K_r3[54] : K_r3[20];
assign K5[14] = mode ? K_r3[26] : K_r3[17];
assign K5[15] = mode ? K_r3[34] : K_r3[25];
assign K5[16] = mode ? K_r3[3] : K_r3[26];
assign K5[17] = mode ? K_r3[18] : K_r3[41];
assign K5[18] = mode ? K_r3[6] : K_r3[54];
assign K5[19] = mode ? K_r3[5] : K_r3[53];
assign K5[20] = mode ? K_r3[24] : K_r3[47];
assign K5[21] = mode ? K_r3[25] : K_r3[48];
assign K5[22] = mode ? K_r3[33] : K_r3[24];
assign K5[23] = mode ? K_r3[41] : K_r3[32];
assign K5[24] = mode ? K_r3[46] : K_r3[12];
assign K5[25] = mode ? K_r3[35] : K_r3[30];
assign K5[26] = mode ? K_r3[2] : K_r3[21];
assign K5[27] = mode ? K_r3[51] : K_r3[15];
assign K5[28] = mode ? K_r3[7] : K_r3[2];
assign K5[29] = mode ? K_r3[22] : K_r3[45];
assign K5[30] = mode ? K_r3[23] : K_r3[42];
assign K5[31] = mode ? K_r3[44] : K_r3[8];
assign K5[32] = mode ? K_r3[28] : K_r3[23];
assign K5[33] = mode ? K_r3[50] : K_r3[14];
assign K5[34] = mode ? K_r3[8] : K_r3[31];
assign K5[35] = mode ? K_r3[38] : K_r3[29];
assign K5[36] = mode ? K_r3[29] : K_r3[52];
assign K5[37] = mode ? K_r3[1] : K_r3[51];
assign K5[38] = mode ? K_r3[36] : K_r3[0];
assign K5[39] = mode ? K_r3[21] : K_r3[16];
assign K5[40] = mode ? K_r3[30] : K_r3[49];
assign K5[41] = mode ? K_r3[45] : K_r3[36];
assign K5[42] = mode ? K_r3[9] : K_r3[28];
assign K5[43] = mode ? K_r3[15] : K_r3[38];
assign K5[44] = mode ? K_r3[42] : K_r3[37];
assign K5[45] = mode ? K_r3[43] : K_r3[7];
assign K5[46] = mode ? K_r3[0] : K_r3[50];
assign K5[47] = mode ? K_r3[37] : K_r3[1];
assign K5[48] = mode ? K_r3[31] : K_r3[22];

assign K4[1]  = mode ? K_r2[5] : K_r2[25];
assign K4[2]  = mode ? K_r2[26] : K_r2[46];
assign K4[3]  = mode ? K_r2[41] : K_r2[4];
assign K4[4]  = mode ? K_r2[18] : K_r2[13];
assign K4[5]  = mode ? K_r2[53] : K_r2[48];
assign K4[6]  = mode ? K_r2[24] : K_r2[19];
assign K4[7]  = mode ? K_r2[10] : K_r2[5];
assign K4[8]  = mode ? K_r2[46] : K_r2[41];
assign K4[9]  = mode ? K_r2[12] : K_r2[32];
assign K4[10] = mode ? K_r2[6] : K_r2[26];
assign K4[11] = mode ? K_r2[54] : K_r2[17];
assign K4[12] = mode ? K_r2[34] : K_r2[54];
assign K4[13] = mode ? K_r2[11] : K_r2[6];
assign K4[14] = mode ? K_r2[40] : K_r2[3];
assign K4[15] = mode ? K_r2[48] : K_r2[11];
assign K4[16] = mode ? K_r2[17] : K_r2[12];
assign K4[17] = mode ? K_r2[32] : K_r2[27];
assign K4[18] = mode ? K_r2[20] : K_r2[40];
assign K4[19] = mode ? K_r2[19] : K_r2[39];
assign K4[20] = mode ? K_r2[13] : K_r2[33];
assign K4[21] = mode ? K_r2[39] : K_r2[34];
assign K4[22] = mode ? K_r2[47] : K_r2[10];
assign K4[23] = mode ? K_r2[55] : K_r2[18];
assign K4[24] = mode ? K_r2[3] : K_r2[55];
assign K4[25] = mode ? K_r2[49] : K_r2[16];
assign K4[26] = mode ? K_r2[16] : K_r2[7];
assign K4[27] = mode ? K_r2[38] : K_r2[1];
assign K4[28] = mode ? K_r2[21] : K_r2[43];
assign K4[29] = mode ? K_r2[36] : K_r2[31];
assign K4[30] = mode ? K_r2[37] : K_r2[28];
assign K4[31] = mode ? K_r2[31] : K_r2[49];
assign K4[32] = mode ? K_r2[42] : K_r2[9];
assign K4[33] = mode ? K_r2[9] : K_r2[0];
assign K4[34] = mode ? K_r2[22] : K_r2[44];
assign K4[35] = mode ? K_r2[52] : K_r2[15];
assign K4[36] = mode ? K_r2[43] : K_r2[38];
assign K4[37] = mode ? K_r2[15] : K_r2[37];
assign K4[38] = mode ? K_r2[50] : K_r2[45];
assign K4[39] = mode ? K_r2[35] : K_r2[2];
assign K4[40] = mode ? K_r2[44] : K_r2[35];
assign K4[41] = mode ? K_r2[0] : K_r2[22];
assign K4[42] = mode ? K_r2[23] : K_r2[14];
assign K4[43] = mode ? K_r2[29] : K_r2[51];
assign K4[44] = mode ? K_r2[1] : K_r2[23];
assign K4[45] = mode ? K_r2[2] : K_r2[52];
assign K4[46] = mode ? K_r2[14] : K_r2[36];
assign K4[47] = mode ? K_r2[51] : K_r2[42];
assign K4[48] = mode ? K_r2[45] : K_r2[8];

assign K3[1]  = mode ? K_r1[19] : K_r1[11];
assign K3[2]  = mode ? K_r1[40] : K_r1[32];
assign K3[3]  = mode ? K_r1[55] : K_r1[47];
assign K3[4]  = mode ? K_r1[32] : K_r1[24];
assign K3[5]  = mode ? K_r1[10] : K_r1[34];
assign K3[6]  = mode ? K_r1[13] : K_r1[5];
assign K3[7]  = mode ? K_r1[24] : K_r1[48];
assign K3[8]  = mode ? K_r1[3]  : K_r1[27];
assign K3[9]  = mode ? K_r1[26] : K_r1[18];
assign K3[10] = mode ? K_r1[20] : K_r1[12];
assign K3[11] = mode ? K_r1[11] : K_r1[3];
assign K3[12] = mode ? K_r1[48] : K_r1[40];
assign K3[13] = mode ? K_r1[25] : K_r1[17];
assign K3[14] = mode ? K_r1[54] : K_r1[46];
assign K3[15] = mode ? K_r1[5]  : K_r1[54];
assign K3[16] = mode ? K_r1[6]  : K_r1[55];
assign K3[17] = mode ? K_r1[46] : K_r1[13];
assign K3[18] = mode ? K_r1[34] : K_r1[26];
assign K3[19] = mode ? K_r1[33] : K_r1[25];
assign K3[20] = mode ? K_r1[27] : K_r1[19];
assign K3[21] = mode ? K_r1[53] : K_r1[20];
assign K3[22] = mode ? K_r1[4]  : K_r1[53];
assign K3[23] = mode ? K_r1[12] : K_r1[4];
assign K3[24] = mode ? K_r1[17] : K_r1[41];
assign K3[25] = mode ? K_r1[8]  : K_r1[2];
assign K3[26] = mode ? K_r1[30] : K_r1[52];
assign K3[27] = mode ? K_r1[52] : K_r1[42];
assign K3[28] = mode ? K_r1[35] : K_r1[29];
assign K3[29] = mode ? K_r1[50] : K_r1[44];
assign K3[30] = mode ? K_r1[51] : K_r1[14];
assign K3[31] = mode ? K_r1[45] : K_r1[35];
assign K3[32] = mode ? K_r1[1]  : K_r1[50];
assign K3[33] = mode ? K_r1[23] : K_r1[45];
assign K3[34] = mode ? K_r1[36] : K_r1[30];
assign K3[35] = mode ? K_r1[7]  : K_r1[1];
assign K3[36] = mode ? K_r1[2]  : K_r1[51];
assign K3[37] = mode ? K_r1[29] : K_r1[23];
assign K3[38] = mode ? K_r1[9]  : K_r1[31];
assign K3[39] = mode ? K_r1[49] : K_r1[43];
assign K3[40] = mode ? K_r1[31] : K_r1[21];
assign K3[41] = mode ? K_r1[14] : K_r1[8];
assign K3[42] = mode ? K_r1[37] : K_r1[0];
assign K3[43] = mode ? K_r1[43] : K_r1[37];
assign K3[44] = mode ? K_r1[15] : K_r1[9];
assign K3[45] = mode ? K_r1[16] : K_r1[38];
assign K3[46] = mode ? K_r1[28] : K_r1[22];
assign K3[47] = mode ? K_r1[38] : K_r1[28];
assign K3[48] = mode ? K_r1[0]  : K_r1[49];

assign K2[1]  = mode ? K_r0[33] : K_r0[54];
assign K2[2]  = mode ? K_r0[54] : K_r0[18];
assign K2[3]  = mode ? K_r0[12] : K_r0[33];
assign K2[4]  = mode ? K_r0[46] : K_r0[10];
assign K2[5]  = mode ? K_r0[24] : K_r0[20];
assign K2[6]  = mode ? K_r0[27] : K_r0[48];
assign K2[7]  = mode ? K_r0[13] : K_r0[34];
assign K2[8]  = mode ? K_r0[17] : K_r0[13];
assign K2[9]  = mode ? K_r0[40] : K_r0[4];
assign K2[10] = mode ? K_r0[34] : K_r0[55];
assign K2[11] = mode ? K_r0[25] : K_r0[46];
assign K2[12] = mode ? K_r0[5]  : K_r0[26];
assign K2[13] = mode ? K_r0[39] : K_r0[3];
assign K2[14] = mode ? K_r0[11] : K_r0[32];
assign K2[15] = mode ? K_r0[19] : K_r0[40];
assign K2[16] = mode ? K_r0[20] : K_r0[41];
assign K2[17] = mode ? K_r0[3]  : K_r0[24];
assign K2[18] = mode ? K_r0[48] : K_r0[12];
assign K2[19] = mode ? K_r0[47] : K_r0[11];
assign K2[20] = mode ? K_r0[41] : K_r0[5];
assign K2[21] = mode ? K_r0[10] : K_r0[6];
assign K2[22] = mode ? K_r0[18] : K_r0[39];
assign K2[23] = mode ? K_r0[26] : K_r0[47];
assign K2[24] = mode ? K_r0[6]  : K_r0[27];
assign K2[25] = mode ? K_r0[22] : K_r0[43];
assign K2[26] = mode ? K_r0[44] : K_r0[38];
assign K2[27] = mode ? K_r0[7]  : K_r0[28];
assign K2[28] = mode ? K_r0[49] : K_r0[15];
assign K2[29] = mode ? K_r0[9]  : K_r0[30];
assign K2[30] = mode ? K_r0[38] : K_r0[0];
assign K2[31] = mode ? K_r0[0]  : K_r0[21];
assign K2[32] = mode ? K_r0[15] : K_r0[36];
assign K2[33] = mode ? K_r0[37] : K_r0[31];
assign K2[34] = mode ? K_r0[50] : K_r0[16];
assign K2[35] = mode ? K_r0[21] : K_r0[42];
assign K2[36] = mode ? K_r0[16] : K_r0[37];
assign K2[37] = mode ? K_r0[43] : K_r0[9];
assign K2[38] = mode ? K_r0[23] : K_r0[44];
assign K2[39] = mode ? K_r0[8]  : K_r0[29];
assign K2[40] = mode ? K_r0[45] : K_r0[7];
assign K2[41] = mode ? K_r0[28] : K_r0[49];
assign K2[42] = mode ? K_r0[51] : K_r0[45];
assign K2[43] = mode ? K_r0[2]  : K_r0[23];
assign K2[44] = mode ? K_r0[29] : K_r0[50];
assign K2[45] = mode ? K_r0[30] : K_r0[51];
assign K2[46] = mode ? K_r0[42] : K_r0[8];
assign K2[47] = mode ? K_r0[52] : K_r0[14];
assign K2[48] = mode ? K_r0[14] : K_r0[35];

assign K1[1]  = mode ? K[40] : K[47];
assign K1[2]  = mode ? K[4]  : K[11];
assign K1[3]  = mode ? K[19] : K[26];
assign K1[4]  = mode ? K[53] : K[3];
assign K1[5]  = mode ? K[6]  : K[13];
assign K1[6]  = mode ? K[34] : K[41];
assign K1[7]  = mode ? K[20] : K[27];
assign K1[8]  = mode ? K[24] : K[6];
assign K1[9]  = mode ? K[47] : K[54];
assign K1[10] = mode ? K[41] : K[48];
assign K1[11] = mode ? K[32] : K[39];
assign K1[12] = mode ? K[12] : K[19];
assign K1[13] = mode ? K[46] : K[53];
assign K1[14] = mode ? K[18] : K[25];
assign K1[15] = mode ? K[26] : K[33];
assign K1[16] = mode ? K[27] : K[34];
assign K1[17] = mode ? K[10] : K[17];
assign K1[18] = mode ? K[55] : K[5];
assign K1[19] = mode ? K[54] : K[4];
assign K1[20] = mode ? K[48] : K[55];
assign K1[21] = mode ? K[17] : K[24];
assign K1[22] = mode ? K[25] : K[32];
assign K1[23] = mode ? K[33] : K[40];
assign K1[24] = mode ? K[13] : K[20];
assign K1[25] = mode ? K[29] : K[36];
assign K1[26] = mode ? K[51] : K[31];
assign K1[27] = mode ? K[14] : K[21];
assign K1[28] = mode ? K[1]  : K[8];
assign K1[29] = mode ? K[16] : K[23];
assign K1[30] = mode ? K[45] : K[52];
assign K1[31] = mode ? K[7]  : K[14];
assign K1[32] = mode ? K[22] : K[29];
assign K1[33] = mode ? K[44] : K[51];
assign K1[34] = mode ? K[2]  : K[9];
assign K1[35] = mode ? K[28] : K[35];
assign K1[36] = mode ? K[23] : K[30];
assign K1[37] = mode ? K[50] : K[2];
assign K1[38] = mode ? K[30] : K[37];
assign K1[39] = mode ? K[15] : K[22];
assign K1[40] = mode ? K[52] : K[0];
assign K1[41] = mode ? K[35] : K[42];
assign K1[42] = mode ? K[31] : K[38];
assign K1[43] = mode ? K[9]  : K[16];
assign K1[44] = mode ? K[36] : K[43];
assign K1[45] = mode ? K[37] : K[44];
assign K1[46] = mode ? K[49] : K[1];
assign K1[47] = mode ? K[0]  : K[7];
assign K1[48] = mode ? K[21] : K[28];

endmodule