diff options
Diffstat (limited to 'streebog_hash/tb/streebog_tb.v')
| -rw-r--r-- | streebog_hash/tb/streebog_tb.v | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/streebog_hash/tb/streebog_tb.v b/streebog_hash/tb/streebog_tb.v new file mode 100644 index 0000000..291f11c --- /dev/null +++ b/streebog_hash/tb/streebog_tb.v @@ -0,0 +1,198 @@ +`timescale 1ns / 1ps
+
+module streebog_tb;
+
+
+ localparam STREEBOG_MODE_SHORT = 1;
+ localparam STREEBOG_MODE_LONG = 0;
+
+ // short message that fits into one block
+ localparam [511:0] MSG_SINGLE = 512'h01323130393837363534333231303938373635343332313039383736353433323130393837363534333231303938373635343332313039383736353433323130;
+
+ // length of short message in bits
+ localparam [ 9:0] MSG_SINGLE_LENGTH = 10'd504;
+
+ // correct 512-bit digest of short message
+ localparam [511:0] MSG_SINGLE_DIGEST_LONG = 512'h486f64c1917879417fef082b3381a4e211c324f074654c38823a7b76f830ad00fa1fbae42b1285c0352f227524bc9ab16254288dd6863dccd5b9f54a1ad0541b;
+
+ // correct 256-bit digest of short message
+ localparam [255:0] MSG_SINGLE_DIGEST_SHORT = 256'h00557be5e584fd52a449b16b0251d05d27f94ab76cbaa6da890b59d8ef1e159d;
+
+
+ // first block of long message
+ localparam [511:0] MSG_DOUBLE_FIRST = 512'hfbeafaebef20fffbf0e1e0f0f520e0ed20e8ece0ebe5f0f2f120fff0eeec20f120faf2fee5e2202ce8f6f3ede220e8e6eee1e8f0f2d1202ce8f0f2e5e220e5d1;
+
+ // second block of long message
+ localparam [511:0] MSG_DOUBLE_SECOND = 512'h0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001fbe2e5f0eee3c820;
+
+ // length of first part of long message in bits
+ localparam [ 9:0] MSG_DOUBLE_FIRST_LENGTH = 10'd512;
+
+ // length of second part of long message in bits
+ localparam [ 9:0] MSG_DOUBLE_SECOND_LENGTH = 10'd64;
+
+ // correct 512-bit digest of long message
+ localparam [511:0] MSG_DOUBLE_DIGEST_LONG = 512'h28fbc9bada033b1460642bdcddb90c3fb3e56c497ccd0f62b8a2ad4935e85f037613966de4ee00531ae60f3b5a47f8dae06915d5f2f194996fcabf2622e6881e;
+
+ // correct 256-bit digest of short message
+ localparam [511:0] MSG_DOUBLE_DIGEST_SHORT = 256'h508f7e553c06501d749a66fc28c6cac0b005746d97537fa85d9e40904efed29d;
+
+
+ //
+ // Inputs
+ //
+ reg clock;
+ reg [511:0] block;
+ reg [ 9:0] block_length;
+ reg init = 0;
+ reg update = 0;
+ reg final = 0;
+ reg short_mode;
+
+
+ //
+ // Outputs
+ //
+ wire [511:0] digest;
+ wire digest_valid;
+ wire ready;
+
+
+ //
+ // UUT
+ //
+ streebog_hash_top uut
+ (
+ .clock (clock),
+
+ .block (block),
+ .block_length (block_length),
+ .init (init),
+ .update (update),
+ .final (final),
+ .short_mode (short_mode),
+ .digest (digest),
+ .digest_valid (digest_valid),
+ .ready (ready)
+ );
+
+ //
+ // Clock
+ //
+ initial clock = 1'b0;
+ always #5 clock = ~clock;
+
+ reg [511:0] hash;
+ wire [255:0] hash_short = hash[511:256];
+
+ initial begin
+ //
+ #100;
+ //
+ $display("Checking 512-bit mode on short message...");
+ //
+ streebog_init(STREEBOG_MODE_LONG);
+ streebog_set_block(MSG_SINGLE, MSG_SINGLE_LENGTH);
+ streebog_update();
+ streebog_final();
+ //
+ if (hash == MSG_SINGLE_DIGEST_LONG) $display("OK");
+ else $display("ERROR: hash == %0128h", hash);
+ //
+ #100;
+ //
+ $display("Checking 256-bit mode on short message...");
+ //
+ streebog_init(STREEBOG_MODE_SHORT);
+ streebog_set_block(MSG_SINGLE, MSG_SINGLE_LENGTH);
+ streebog_update();
+ streebog_final();
+ //
+ if (hash_short == MSG_SINGLE_DIGEST_SHORT) $display("OK");
+ else $display("ERROR: hash_short == %064h", hash_short);
+ //
+ #100;
+ //
+ $display("Checking 512-bit mode on long message...");
+ //
+ streebog_init(STREEBOG_MODE_LONG);
+ streebog_set_block(MSG_DOUBLE_FIRST, MSG_DOUBLE_FIRST_LENGTH);
+ streebog_update();
+ streebog_set_block(MSG_DOUBLE_SECOND, MSG_DOUBLE_SECOND_LENGTH);
+ streebog_update();
+ streebog_final();
+ //
+ if (hash == MSG_DOUBLE_DIGEST_LONG) $display("OK");
+ else $display("ERROR: hash == %0128h", hash);
+ //
+ #100;
+ //
+ $display("Checking 256-bit mode on long message...");
+ //
+ streebog_init(STREEBOG_MODE_SHORT);
+ streebog_set_block(MSG_DOUBLE_FIRST, MSG_DOUBLE_FIRST_LENGTH);
+ streebog_update();
+ streebog_set_block(MSG_DOUBLE_SECOND, MSG_DOUBLE_SECOND_LENGTH);
+ streebog_update();
+ streebog_final();
+ //
+ if (hash_short == MSG_DOUBLE_DIGEST_SHORT) $display("OK");
+ else $display("ERROR: hash_short == %064h", hash_short);
+ //
+ #100;
+ //
+ $finish;
+ end
+
+
+ task streebog_init;
+ input use_short_mode; + begin
+ short_mode = use_short_mode;
+ init = 1;
+ #10;
+ init = 0;
+ #10; + end + endtask
+
+
+ task streebog_set_block;
+ input [511:0] new_block;
+ input [ 9:0] new_block_length;
+ begin
+ block = new_block;
+ block_length = new_block_length;
+
+ end
+ endtask;
+
+
+ task streebog_update;
+ begin
+ update = 1;
+ #10;
+ update = 0;
+ #10
+ while (!ready) #10;
+ #10;
+ end
+ endtask
+
+
+ task streebog_final;
+ begin
+ final = 1;
+ #10;
+ final = 0;
+ #10
+ while (!digest_valid) #10;
+ hash = digest;
+ #10;
+ while (!ready) #10;
+ #10;
+ end
+ endtask
+
+endmodule
+
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