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[/] [csa/] [trunk/] [rtl/] [sboxes.v] - Blame information for rev 27
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simon111 |
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//this moudule preform the s-boxes transform
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module sboxes(A, s1, s2, s3, s4, s5, s6, s7);
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input [9*4-1:0] A;
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output [2-1:0] s1;
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output [2-1:0] s2;
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output [2-1:0] s3;
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output [2-1:0] s4;
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output [2-1:0] s5;
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output [2-1:0] s6;
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output [2-1:0] s7;
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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);
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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);
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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);
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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);
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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);
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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);
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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);
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endmodule
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