URL https://opencores.org/ocsvn/gost28147-89/gost28147-89/trunk

Subversion Repositories gost28147-89

[/] [gost28147-89/] [trunk/] [rtl/] [gost89_sbox.v] - Blame information for rev 5

Line No.	Rev	Author	Line
1	5	fanatid	`module gost89_sbox(`
2			`input [63:0] sbox,`
3			`input [3:0] in,`
4			`output reg [3:0] out`
5			`);`
6			`always @(in or sbox)`
7			`case (in)`
8			`4'h0: out <= sbox[63:60];`
9			`4'h1: out <= sbox[59:56];`
10			`4'h2: out <= sbox[55:52];`
11			`4'h3: out <= sbox[51:48];`
12			`4'h4: out <= sbox[47:44];`
13			`4'h5: out <= sbox[43:40];`
14			`4'h6: out <= sbox[39:36];`
15			`4'h7: out <= sbox[35:32];`
16			`4'h8: out <= sbox[31:28];`
17			`4'h9: out <= sbox[27:24];`
18			`4'ha: out <= sbox[23:20];`
19			`4'hb: out <= sbox[19:16];`
20			`4'hc: out <= sbox[15:12];`
21			`4'hd: out <= sbox[11:8];`
22			`4'he: out <= sbox[7:4];`
23			`4'hf: out <= sbox[3:0];`
24			`endcase`
25			`endmodule`