OpenCores
URL https://opencores.org/ocsvn/csa/csa/trunk

Subversion Repositories csa

[/] [csa/] [trunk/] [rtl/] [sboxes.v] - Blame information for rev 42

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 40 simon111
`include "../bench/timescale.v"
2 20 simon111
 
3
//this moudule preform the s-boxes transform
4
 
5
module sboxes(A, s1, s2, s3, s4, s5, s6, s7);
6
input [9*4-1:0] A;
7
 
8
output [2-1:0] s1;
9
output [2-1:0] s2;
10
output [2-1:0] s3;
11
output [2-1:0] s4;
12
output [2-1:0] s5;
13
output [2-1:0] s6;
14
output [2-1:0] s7;
15
 
16
sbox1 b1({A[(4-1)*4+0], A[(1-1)*4+2], A[(6-1)*4+1], A[(7-1)*4+3], A[(9-1)*4+0]}, s1);
17
sbox2 b2({A[(2-1)*4+1], A[(3-1)*4+2], A[(6-1)*4+3], A[(7-1)*4+0], A[(9-1)*4+1]}, s2);
18
sbox3 b3({A[(1-1)*4+3], A[(2-1)*4+0], A[(5-1)*4+1], A[(5-1)*4+3], A[(6-1)*4+2]}, s3);
19
sbox4 b4({A[(3-1)*4+3], A[(1-1)*4+1], A[(2-1)*4+3], A[(4-1)*4+2], A[(8-1)*4+0]}, s4);
20
sbox5 b5({A[(5-1)*4+2], A[(4-1)*4+3], A[(6-1)*4+0], A[(8-1)*4+1], A[(9-1)*4+2]}, s5);
21
sbox6 b6({A[(3-1)*4+1], A[(4-1)*4+1], A[(5-1)*4+0], A[(7-1)*4+2], A[(9-1)*4+3]}, s6);
22
sbox7 b7({A[(2-1)*4+2], A[(3-1)*4+0], A[(7-1)*4+1], A[(8-1)*4+2], A[(8-1)*4+3]}, s7);
23
 
24
endmodule

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.