Subversion Repositories tiny_aes

/*

 * Copyright 2012, Homer Hsing <homer.hsing@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

`timescale 1ns / 1ps

module test_aes_192;

        // Inputs

        reg clk;

        reg [127:0] state;

        reg [191:0] key;

        // Outputs

        wire [127:0] out;

        // Instantiate the Unit Under Test (UUT)

        aes_192 uut (

                .clk(clk),

                .state(state),

                .key(key),

                .out(out)

        );

        initial begin

                clk = 0;

                state = 0;

                key = 0;

                #100;

        /*

         * TIMEGRP "key" OFFSET = IN 6.4 ns VALID 6 ns AFTER "clk" HIGH;

         * TIMEGRP "state" OFFSET = IN 6.4 ns VALID 6 ns AFTER "clk" HIGH;

         * TIMEGRP "out" OFFSET = OUT 2.2 ns BEFORE "clk" HIGH;

         */

        @ (negedge clk);

        #2;

        state = 128'h3243f6a8885a308d313198a2e0370734;

        key   = 192'h2b7e151628aed2a6abf7158809cf4f3c762e7160f38b4da5;

        #10;

        state = 128'h00112233445566778899aabbccddeeff;

        key   = 192'h000102030405060708090a0b0c0d0e0f1011121314151617;

        #10;

        state = 128'h0;

        key   = 192'h0;

        #230;

        if (out !== 128'hf9fb29aefc384a250340d833b87ebc00)

          begin $display("E"); $finish; end

        #10;

        if (out !== 128'hdda97ca4864cdfe06eaf70a0ec0d7191)

          begin $display("E"); $finish; end

        $display("Good.");

        $finish;

        end

    always #5 clk = ~clk;

endmodule