Adding test case for 4096 bit unwrap. Testcase passed! We have unwrap.

1 files changed, 207 insertions, 3 deletions

diff --git a/src/tb/tb_keywrap.v b/src/tb/tb_keywrap.v
index edbbbcf..c8fb927 100644
--- a/src/tb/tb_keywrap.v
+++ b/src/tb/tb_keywrap.v
@@ -40,8 +40,8 @@
 module tb_keywrap();
 
   parameter DEBUG     = 1;
-  parameter DUMP_TOP  = 1;
-  parameter DUMP_CORE = 1;
+  parameter DUMP_TOP  = 0;
+  parameter DUMP_CORE = 0;
 
   parameter CLK_HALF_PERIOD = 1;
   parameter CLK_PERIOD      = 2 * CLK_HALF_PERIOD;
@@ -732,6 +732,209 @@ module tb_keywrap();
 
 
   //----------------------------------------------------------------
+  // test_kwp_ad_128_2
+  // Implements wrap test based on NIST KWP_AD 128 bit key with
+  // 4096 bit plaintext.
+  //----------------------------------------------------------------
+  task test_kwp_ad_128_2;
+    begin : kwp_ad_128_2
+      integer i;
+      tc_ctr = tc_ctr + 1;
+
+      $display("** TC kwp_ad_128_2 START.");
+
+      // Write key and keylength, we also want to unwrap/decrypt.
+      write_word(ADDR_KEY0,   32'h6b8ba9cc);
+      write_word(ADDR_KEY1,   32'h9b31068b);
+      write_word(ADDR_KEY2,   32'ha175abfc);
+      write_word(ADDR_KEY3,   32'hc60c1338);
+      write_word(ADDR_CONFIG, 32'h00000000);
+
+
+      // Initialize the AES engine (to expand the key).
+      // Wait for init to complete.
+      $display("* Trying to initialize.");
+      write_word(ADDR_CTRL, 32'h00000001);
+      #(2 * CLK_PERIOD);
+      wait_ready();
+      $display("* Init should be done.");
+
+
+      // Set the length or R in blocks.
+      // Write the R bank to be written to.
+      // Write the R blocks to be processed.
+      write_word(ADDR_RLEN,  32'h00000040);
+      write_word(ADDR_R_BANK, 32'h0);
+
+      write_word(ADDR_R_DATA0 + 0, 32'h4501c1ec);
+      write_word(ADDR_R_DATA0 + 1, 32'hadc6b5e3);
+      write_word(ADDR_R_DATA0 + 2, 32'hf1c23c29);
+      write_word(ADDR_R_DATA0 + 3, 32'heca60890);
+      write_word(ADDR_R_DATA0 + 4, 32'h5f9cabdd);
+      write_word(ADDR_R_DATA0 + 5, 32'h46e34a55);
+      write_word(ADDR_R_DATA0 + 6, 32'he1f7ac83);
+      write_word(ADDR_R_DATA0 + 7, 32'h08e75c90);
+      write_word(ADDR_R_DATA0 + 8, 32'h3675982b);
+      write_word(ADDR_R_DATA0 + 9, 32'hda99173a);
+      write_word(ADDR_R_DATA0 + 10, 32'h2ba57d2c);
+      write_word(ADDR_R_DATA0 + 11, 32'hcf2e01a0);
+      write_word(ADDR_R_DATA0 + 12, 32'h2589f89d);
+      write_word(ADDR_R_DATA0 + 13, 32'hfd4b3c7f);
+      write_word(ADDR_R_DATA0 + 14, 32'hd229ec91);
+      write_word(ADDR_R_DATA0 + 15, 32'hc9d0c46e);
+      write_word(ADDR_R_DATA0 + 16, 32'ha5dee3c0);
+      write_word(ADDR_R_DATA0 + 17, 32'h48cd4611);
+      write_word(ADDR_R_DATA0 + 18, 32'hbfeadc9b);
+      write_word(ADDR_R_DATA0 + 19, 32'hf26daa1e);
+      write_word(ADDR_R_DATA0 + 20, 32'h02cb72e2);
+      write_word(ADDR_R_DATA0 + 21, 32'h22cf3dab);
+      write_word(ADDR_R_DATA0 + 22, 32'h120dd1e8);
+      write_word(ADDR_R_DATA0 + 23, 32'hc2dd9bd5);
+      write_word(ADDR_R_DATA0 + 24, 32'h8bbefa5d);
+      write_word(ADDR_R_DATA0 + 25, 32'h14526abd);
+      write_word(ADDR_R_DATA0 + 26, 32'h1e8d2170);
+      write_word(ADDR_R_DATA0 + 27, 32'ha6ba8283);
+      write_word(ADDR_R_DATA0 + 28, 32'hc243ec2f);
+      write_word(ADDR_R_DATA0 + 29, 32'hd5ef0703);
+      write_word(ADDR_R_DATA0 + 30, 32'h0b1ef5f6);
+      write_word(ADDR_R_DATA0 + 31, 32'h9f9620e4);
+      write_word(ADDR_R_DATA0 + 32, 32'hb17a3639);
+      write_word(ADDR_R_DATA0 + 33, 32'h34100588);
+      write_word(ADDR_R_DATA0 + 34, 32'h7b9ffc79);
+      write_word(ADDR_R_DATA0 + 35, 32'h35335947);
+      write_word(ADDR_R_DATA0 + 36, 32'h03e5dcae);
+      write_word(ADDR_R_DATA0 + 37, 32'h67bd0ce7);
+      write_word(ADDR_R_DATA0 + 38, 32'ha3c98ca6);
+      write_word(ADDR_R_DATA0 + 39, 32'h5815a4d0);
+      write_word(ADDR_R_DATA0 + 40, 32'h67f27e6e);
+      write_word(ADDR_R_DATA0 + 41, 32'h66d6636c);
+      write_word(ADDR_R_DATA0 + 42, 32'hebb78973);
+      write_word(ADDR_R_DATA0 + 43, 32'h2566a52a);
+      write_word(ADDR_R_DATA0 + 44, 32'hc3970e14);
+      write_word(ADDR_R_DATA0 + 45, 32'hc37310dc);
+      write_word(ADDR_R_DATA0 + 46, 32'h2fcee0e7);
+      write_word(ADDR_R_DATA0 + 47, 32'h39a16291);
+      write_word(ADDR_R_DATA0 + 48, 32'h029fd2b4);
+      write_word(ADDR_R_DATA0 + 49, 32'hd534e304);
+      write_word(ADDR_R_DATA0 + 50, 32'h45474b26);
+      write_word(ADDR_R_DATA0 + 51, 32'h711a8b3e);
+      write_word(ADDR_R_DATA0 + 52, 32'h1ee3cc88);
+      write_word(ADDR_R_DATA0 + 53, 32'hb09e8b17);
+      write_word(ADDR_R_DATA0 + 54, 32'h45b6cc0f);
+      write_word(ADDR_R_DATA0 + 55, 32'h067624ec);
+      write_word(ADDR_R_DATA0 + 56, 32'hb232db75);
+      write_word(ADDR_R_DATA0 + 57, 32'h0b01fe54);
+      write_word(ADDR_R_DATA0 + 58, 32'h57fdea77);
+      write_word(ADDR_R_DATA0 + 59, 32'hb251b10f);
+      write_word(ADDR_R_DATA0 + 60, 32'he95d3eee);
+      write_word(ADDR_R_DATA0 + 61, 32'hdb083bdf);
+      write_word(ADDR_R_DATA0 + 62, 32'h109c41db);
+      write_word(ADDR_R_DATA0 + 63, 32'ha26cc965);
+      write_word(ADDR_R_DATA0 + 64, 32'h4f787bf9);
+      write_word(ADDR_R_DATA0 + 65, 32'h5735ff07);
+      write_word(ADDR_R_DATA0 + 66, 32'h070b175c);
+      write_word(ADDR_R_DATA0 + 67, 32'hea8b6230);
+      write_word(ADDR_R_DATA0 + 68, 32'h2e6087b9);
+      write_word(ADDR_R_DATA0 + 69, 32'h1a041547);
+      write_word(ADDR_R_DATA0 + 70, 32'h46056910);
+      write_word(ADDR_R_DATA0 + 71, 32'h99f1a9e2);
+      write_word(ADDR_R_DATA0 + 72, 32'hb626c4b3);
+      write_word(ADDR_R_DATA0 + 73, 32'hbb7aeb8e);
+      write_word(ADDR_R_DATA0 + 74, 32'had9922bc);
+      write_word(ADDR_R_DATA0 + 75, 32'h3617cb42);
+      write_word(ADDR_R_DATA0 + 76, 32'h7c669b88);
+      write_word(ADDR_R_DATA0 + 77, 32'hbe5f98ae);
+      write_word(ADDR_R_DATA0 + 78, 32'ha7edb8b0);
+      write_word(ADDR_R_DATA0 + 79, 32'h063bec80);
+      write_word(ADDR_R_DATA0 + 80, 32'haf4c081f);
+      write_word(ADDR_R_DATA0 + 81, 32'h89778d7c);
+      write_word(ADDR_R_DATA0 + 82, 32'h7242ddae);
+      write_word(ADDR_R_DATA0 + 83, 32'h88e8d3af);
+      write_word(ADDR_R_DATA0 + 84, 32'hf1f80e57);
+      write_word(ADDR_R_DATA0 + 85, 32'h5e1aab4a);
+      write_word(ADDR_R_DATA0 + 86, 32'h5d115bc2);
+      write_word(ADDR_R_DATA0 + 87, 32'h7636fd14);
+      write_word(ADDR_R_DATA0 + 88, 32'hd19bc594);
+      write_word(ADDR_R_DATA0 + 89, 32'h33f69763);
+      write_word(ADDR_R_DATA0 + 90, 32'h5ecd870d);
+      write_word(ADDR_R_DATA0 + 91, 32'h17e7f5b0);
+      write_word(ADDR_R_DATA0 + 92, 32'h04dee400);
+      write_word(ADDR_R_DATA0 + 93, 32'h1cddc34a);
+      write_word(ADDR_R_DATA0 + 94, 32'hb6e377ee);
+      write_word(ADDR_R_DATA0 + 95, 32'hb3fb08e9);
+      write_word(ADDR_R_DATA0 + 96, 32'h47697076);
+      write_word(ADDR_R_DATA0 + 97, 32'h5105d93e);
+      write_word(ADDR_R_DATA0 + 98, 32'h4558fe3d);
+      write_word(ADDR_R_DATA0 + 99, 32'h4fc6fe05);
+      write_word(ADDR_R_DATA0 + 100, 32'h3aab9c6c);
+      write_word(ADDR_R_DATA0 + 101, 32'hf032f111);
+      write_word(ADDR_R_DATA0 + 102, 32'h6e70c2d6);
+      write_word(ADDR_R_DATA0 + 103, 32'h5f7c8cde);
+      write_word(ADDR_R_DATA0 + 104, 32'hb6ad63ac);
+      write_word(ADDR_R_DATA0 + 105, 32'h4291f93d);
+      write_word(ADDR_R_DATA0 + 106, 32'h467ebbb2);
+      write_word(ADDR_R_DATA0 + 107, 32'h9ead265c);
+      write_word(ADDR_R_DATA0 + 108, 32'h05ac684d);
+      write_word(ADDR_R_DATA0 + 109, 32'h20a6bef0);
+      write_word(ADDR_R_DATA0 + 110, 32'h9b71830f);
+      write_word(ADDR_R_DATA0 + 111, 32'h717e08bc);
+      write_word(ADDR_R_DATA0 + 112, 32'hb4f9d377);
+      write_word(ADDR_R_DATA0 + 113, 32'h3bec928f);
+      write_word(ADDR_R_DATA0 + 114, 32'h66eeb64d);
+      write_word(ADDR_R_DATA0 + 115, 32'hc451e958);
+      write_word(ADDR_R_DATA0 + 116, 32'he357ebbf);
+      write_word(ADDR_R_DATA0 + 117, 32'hef5a342d);
+      write_word(ADDR_R_DATA0 + 118, 32'hf28707ac);
+      write_word(ADDR_R_DATA0 + 119, 32'h4b8e3e8c);
+      write_word(ADDR_R_DATA0 + 120, 32'h854e8d69);
+      write_word(ADDR_R_DATA0 + 121, 32'h1cb92e87);
+      write_word(ADDR_R_DATA0 + 122, 32'hc0d57558);
+      write_word(ADDR_R_DATA0 + 123, 32'he44cd754);
+      write_word(ADDR_R_DATA0 + 124, 32'h424865c2);
+      write_word(ADDR_R_DATA0 + 125, 32'h29c9e1ab);
+      write_word(ADDR_R_DATA0 + 126, 32'hb28e003b);
+      write_word(ADDR_R_DATA0 + 127, 32'h6819400b);
+
+      // Write magic words to A.
+      write_word(ADDR_A0, 32'haea19443);
+      write_word(ADDR_A1, 32'hd7f8ad7d);
+
+
+      $display("* Contents of memory and dut before wrap processing:");
+      dump_mem(65);
+
+      // Start wrapping and wait for wrap to complete.
+      $display("* Trying to start processing.");
+      write_word(ADDR_CTRL, 32'h00000002);
+      #(2 * CLK_PERIOD);
+      wait_ready();
+      $display("* Processing should be done.");
+
+
+      $display("Contents of memory and dut after wrap processing:");
+      dump_mem(65);
+      dump_dut_state();
+
+
+      // Read and display the A registers.
+      read_word(ADDR_A0);
+      $display("A0 after wrap: 0x%08x", read_data);
+      read_word(ADDR_A1);
+      $display("A1 after wrap: 0x%08x", read_data);
+
+      // Read and display the R blocks that has been processed.
+      for (i = 0 ; i < 128 ; i = i + 1)
+        begin
+          read_word(ADDR_R_DATA0 + i);
+          $display("mem[0x%07x] = 0x%08x", i, read_data);
+        end
+
+      $display("** TC kwp_ad_128_2 END.\n");
+    end
+  endtask // test_kwp_ad_128_2
+
+
+  //----------------------------------------------------------------
   // main
   //----------------------------------------------------------------
   initial
@@ -747,8 +950,9 @@ module tb_keywrap();
       dump_dut_state();
 
 //      test_kwp_ae_128_1();
-      test_kwp_ad_128_1();
+//      test_kwp_ad_128_1();
 //      test_kwp_ae_128_2();
+      test_kwp_ad_128_2();
 
       display_test_results();