Adding wrap test case with 4096 bit plaintext from NIST. Test result matches model.

1 files changed, 299 insertions, 7 deletions

diff --git a/src/tb/tb_keywrap.v b/src/tb/tb_keywrap.v
index 71823b6..d2ea8d8 100644
--- a/src/tb/tb_keywrap.v
+++ b/src/tb/tb_keywrap.v
@@ -357,14 +357,16 @@ module tb_keywrap();
 
 
   //----------------------------------------------------------------
-  // Implements test based on NIST KWP_AE 128 bit key test 4.
+  // test_kwp_ae_128_1
+  // Implements wrap test based on NIST KWP_AE 128 bit key
+  // with 248 bit plaintext.
   //----------------------------------------------------------------
-  task test_kwp_ae_128_4;
-    begin : kwp_ae_128_4
+  task test_kwp_ae_128_1;
+    begin : kwp_ae_128_1
       integer i;
       tc_ctr = tc_ctr + 1;
 
-      $display("** TC kwp_ae_128_4 START.");
+      $display("** TC kwp_ae_128_1 START.");
 
       // Write key and keylength, we also want to encrypt/wrap.
       write_word(ADDR_KEY0,   32'hc03db3cc);
@@ -434,9 +436,297 @@ module tb_keywrap();
           $display("mem[0x%07x] = 0x%08x", i, read_data);
         end
 
-      $display("** TC kwp_ae_128_4 END.\n");
+      $display("** TC kwp_ae_128_2 END.\n");
     end
-  endtask // test_kwp_ae_128_4
+  endtask // test_kwp_ae_128_2
+
+
+
+  //----------------------------------------------------------------
+  // test_kwp_ad_128_1
+  // Implements unwrap test based on NIST KWP_AE 128 bit key
+  // with 248 bit plaintext.
+  //----------------------------------------------------------------
+  task test_kwp_ad_128_1;
+    begin : kwp_ad_128_1
+      integer i;
+      tc_ctr = tc_ctr + 1;
+
+      $display("** TC kwp_ad_128_1 START.");
+
+      // Write key and keylength, we also want to encrypt/wrap.
+      write_word(ADDR_KEY0,   32'hc03db3cc);
+      write_word(ADDR_KEY1,   32'h1416dcd1);
+      write_word(ADDR_KEY2,   32'hc069a195);
+      write_word(ADDR_KEY3,   32'ha8d77e3d);
+      write_word(ADDR_CONFIG, 32'h00000001);
+
+
+      // Initialize the AES engine (to expand the key).
+      // Wait for init to complete.
+      // Note, not actually needed to wait. We can write R data during init.
+      $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'h00000004);
+      write_word(ADDR_R_BANK, 32'h0);
+
+      write_word(ADDR_R_DATA0 + 0, 32'h46f87f58);
+      write_word(ADDR_R_DATA0 + 1, 32'hcdda4200);
+      write_word(ADDR_R_DATA0 + 2, 32'hf53d99ce);
+      write_word(ADDR_R_DATA0 + 3, 32'h2e49bdb7);
+      write_word(ADDR_R_DATA0 + 4, 32'h6212511f);
+      write_word(ADDR_R_DATA0 + 5, 32'he0cd4d0b);
+      write_word(ADDR_R_DATA0 + 6, 32'h5f37a27d);
+      write_word(ADDR_R_DATA0 + 7, 32'h45a28800);
+
+      // Write magic words to A.
+      write_word(ADDR_A0, 32'ha65959a6);
+      write_word(ADDR_A1, 32'h0000001f);
+
+
+      $display("* Contents of memory and dut before wrap processing:");
+      dump_mem(6);
+
+
+      // 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(6);
+      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 < 8 ; 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_1 END.\n");
+    end
+  endtask // test_kwp_ad_128_1
+
+
+  //----------------------------------------------------------------
+  // test_kwp_ae_128_2
+  // Implements wrap test based on NIST KWP_AE 128 bit key with
+  // 4096 bit plaintext.
+  //----------------------------------------------------------------
+  task test_kwp_ae_128_2;
+    begin : kwp_ae_128_2
+      integer i;
+      tc_ctr = tc_ctr + 1;
+
+      $display("** TC kwp_ae_128_2 START.");
+
+      // Write key and keylength, we also want to encrypt/wrap.
+      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'h00000001);
+
+
+      // 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'h8af887c5);
+      write_word(ADDR_R_DATA0 + 1, 32'h8dfbc38e);
+      write_word(ADDR_R_DATA0 + 2, 32'he0423eef);
+      write_word(ADDR_R_DATA0 + 3, 32'hcc0e032d);
+      write_word(ADDR_R_DATA0 + 4, 32'hcc79dd11);
+      write_word(ADDR_R_DATA0 + 5, 32'h6638ca65);
+      write_word(ADDR_R_DATA0 + 6, 32'had75dca2);
+      write_word(ADDR_R_DATA0 + 7, 32'ha2459f13);
+      write_word(ADDR_R_DATA0 + 8, 32'h934dbe61);
+      write_word(ADDR_R_DATA0 + 9, 32'ha62cb26d);
+      write_word(ADDR_R_DATA0 + 10, 32'h8bbddbab);
+      write_word(ADDR_R_DATA0 + 11, 32'hf9bf52bb);
+      write_word(ADDR_R_DATA0 + 12, 32'he137ef1d);
+      write_word(ADDR_R_DATA0 + 13, 32'h3e30eacf);
+      write_word(ADDR_R_DATA0 + 14, 32'h0fe456ec);
+      write_word(ADDR_R_DATA0 + 15, 32'h808d6798);
+      write_word(ADDR_R_DATA0 + 16, 32'hdc29fe54);
+      write_word(ADDR_R_DATA0 + 17, 32'hfa1f784a);
+      write_word(ADDR_R_DATA0 + 18, 32'ha3c11cf3);
+      write_word(ADDR_R_DATA0 + 19, 32'h94050095);
+      write_word(ADDR_R_DATA0 + 20, 32'h81d3f1d5);
+      write_word(ADDR_R_DATA0 + 21, 32'h96843813);
+      write_word(ADDR_R_DATA0 + 22, 32'ha6685e50);
+      write_word(ADDR_R_DATA0 + 23, 32'h3fac8535);
+      write_word(ADDR_R_DATA0 + 24, 32'he0c06ecc);
+      write_word(ADDR_R_DATA0 + 25, 32'ha8561b6a);
+      write_word(ADDR_R_DATA0 + 26, 32'h1f22c578);
+      write_word(ADDR_R_DATA0 + 27, 32'heefb6919);
+      write_word(ADDR_R_DATA0 + 28, 32'h12be2e16);
+      write_word(ADDR_R_DATA0 + 29, 32'h67946101);
+      write_word(ADDR_R_DATA0 + 30, 32'hae8c3501);
+      write_word(ADDR_R_DATA0 + 31, 32'he6c66eb1);
+      write_word(ADDR_R_DATA0 + 32, 32'h7e14f260);
+      write_word(ADDR_R_DATA0 + 33, 32'h8c9ce6fb);
+      write_word(ADDR_R_DATA0 + 34, 32'hab4a1597);
+      write_word(ADDR_R_DATA0 + 35, 32'hed49ccb3);
+      write_word(ADDR_R_DATA0 + 36, 32'h930b1060);
+      write_word(ADDR_R_DATA0 + 37, 32'hf98c97d8);
+      write_word(ADDR_R_DATA0 + 38, 32'hdc4ce81e);
+      write_word(ADDR_R_DATA0 + 39, 32'h35279c4d);
+      write_word(ADDR_R_DATA0 + 40, 32'h30d1bf86);
+      write_word(ADDR_R_DATA0 + 41, 32'hc9b919a3);
+      write_word(ADDR_R_DATA0 + 42, 32'hce4f0109);
+      write_word(ADDR_R_DATA0 + 43, 32'he77929e5);
+      write_word(ADDR_R_DATA0 + 44, 32'h8c4c3aeb);
+      write_word(ADDR_R_DATA0 + 45, 32'h5de1ec5e);
+      write_word(ADDR_R_DATA0 + 46, 32'h0afa38ae);
+      write_word(ADDR_R_DATA0 + 47, 32'h896df912);
+      write_word(ADDR_R_DATA0 + 48, 32'h1c72c255);
+      write_word(ADDR_R_DATA0 + 49, 32'h141f2f5c);
+      write_word(ADDR_R_DATA0 + 50, 32'h9a51be50);
+      write_word(ADDR_R_DATA0 + 51, 32'h72547cf8);
+      write_word(ADDR_R_DATA0 + 52, 32'ha3b06740);
+      write_word(ADDR_R_DATA0 + 53, 32'h4e62f961);
+      write_word(ADDR_R_DATA0 + 54, 32'h5a02479c);
+      write_word(ADDR_R_DATA0 + 55, 32'hf8c202e7);
+      write_word(ADDR_R_DATA0 + 56, 32'hfeb2e258);
+      write_word(ADDR_R_DATA0 + 57, 32'h314e0ebe);
+      write_word(ADDR_R_DATA0 + 58, 32'h62878a5c);
+      write_word(ADDR_R_DATA0 + 59, 32'h4ecd4e9d);
+      write_word(ADDR_R_DATA0 + 60, 32'hf7dab2e1);
+      write_word(ADDR_R_DATA0 + 61, 32'hfa9a7b53);
+      write_word(ADDR_R_DATA0 + 62, 32'h2c2169ac);
+      write_word(ADDR_R_DATA0 + 63, 32'hedb7998d);
+      write_word(ADDR_R_DATA0 + 64, 32'h5cd8a711);
+      write_word(ADDR_R_DATA0 + 65, 32'h8848ce7e);
+      write_word(ADDR_R_DATA0 + 66, 32'he9fb2f68);
+      write_word(ADDR_R_DATA0 + 67, 32'he28c2b27);
+      write_word(ADDR_R_DATA0 + 68, 32'h9ddc064d);
+      write_word(ADDR_R_DATA0 + 69, 32'hb70ad73c);
+      write_word(ADDR_R_DATA0 + 70, 32'h6dbe10c5);
+      write_word(ADDR_R_DATA0 + 71, 32'he1c56a70);
+      write_word(ADDR_R_DATA0 + 72, 32'h9c1407f9);
+      write_word(ADDR_R_DATA0 + 73, 32'h3a727cce);
+      write_word(ADDR_R_DATA0 + 74, 32'h1075103a);
+      write_word(ADDR_R_DATA0 + 75, 32'h4009ae2f);
+      write_word(ADDR_R_DATA0 + 76, 32'h7731b7d7);
+      write_word(ADDR_R_DATA0 + 77, 32'h1756eee1);
+      write_word(ADDR_R_DATA0 + 78, 32'h19b828ef);
+      write_word(ADDR_R_DATA0 + 79, 32'h4ed61eff);
+      write_word(ADDR_R_DATA0 + 80, 32'h16493553);
+      write_word(ADDR_R_DATA0 + 81, 32'h2a94fa8f);
+      write_word(ADDR_R_DATA0 + 82, 32'he62dc2e2);
+      write_word(ADDR_R_DATA0 + 83, 32'h2cf20f16);
+      write_word(ADDR_R_DATA0 + 84, 32'h8ae65f4b);
+      write_word(ADDR_R_DATA0 + 85, 32'h6785286c);
+      write_word(ADDR_R_DATA0 + 86, 32'h253f365f);
+      write_word(ADDR_R_DATA0 + 87, 32'h29453a47);
+      write_word(ADDR_R_DATA0 + 88, 32'h9dc2824b);
+      write_word(ADDR_R_DATA0 + 89, 32'h8bdabd96);
+      write_word(ADDR_R_DATA0 + 90, 32'h2da3b76a);
+      write_word(ADDR_R_DATA0 + 91, 32'he9c8a720);
+      write_word(ADDR_R_DATA0 + 92, 32'h155e158f);
+      write_word(ADDR_R_DATA0 + 93, 32'he389c8cc);
+      write_word(ADDR_R_DATA0 + 94, 32'h7fa6ad52);
+      write_word(ADDR_R_DATA0 + 95, 32'h2c951b5c);
+      write_word(ADDR_R_DATA0 + 96, 32'h236bf964);
+      write_word(ADDR_R_DATA0 + 97, 32'hb5b1bfb0);
+      write_word(ADDR_R_DATA0 + 98, 32'h98a39835);
+      write_word(ADDR_R_DATA0 + 99, 32'h759b9540);
+      write_word(ADDR_R_DATA0 + 100, 32'h4b72b17f);
+      write_word(ADDR_R_DATA0 + 101, 32'h7dbcda93);
+      write_word(ADDR_R_DATA0 + 102, 32'h6177ae05);
+      write_word(ADDR_R_DATA0 + 103, 32'h9269f41e);
+      write_word(ADDR_R_DATA0 + 104, 32'hcdac81a4);
+      write_word(ADDR_R_DATA0 + 105, 32'h9f5bbfd2);
+      write_word(ADDR_R_DATA0 + 106, 32'he801392a);
+      write_word(ADDR_R_DATA0 + 107, 32'h043ef068);
+      write_word(ADDR_R_DATA0 + 108, 32'h73550a67);
+      write_word(ADDR_R_DATA0 + 109, 32'hfcbc039f);
+      write_word(ADDR_R_DATA0 + 110, 32'h0b5d30ce);
+      write_word(ADDR_R_DATA0 + 111, 32'h490baa97);
+      write_word(ADDR_R_DATA0 + 112, 32'h9dbbaf9e);
+      write_word(ADDR_R_DATA0 + 113, 32'h53d45d7e);
+      write_word(ADDR_R_DATA0 + 114, 32'h2dff26b2);
+      write_word(ADDR_R_DATA0 + 115, 32'hf7e6628d);
+      write_word(ADDR_R_DATA0 + 116, 32'hed694217);
+      write_word(ADDR_R_DATA0 + 117, 32'ha39f454b);
+      write_word(ADDR_R_DATA0 + 118, 32'h288e7906);
+      write_word(ADDR_R_DATA0 + 119, 32'hb79faf4a);
+      write_word(ADDR_R_DATA0 + 120, 32'h407a7d20);
+      write_word(ADDR_R_DATA0 + 121, 32'h7646f930);
+      write_word(ADDR_R_DATA0 + 122, 32'h96a157f0);
+      write_word(ADDR_R_DATA0 + 123, 32'hd1dca05a);
+      write_word(ADDR_R_DATA0 + 124, 32'h7f92e318);
+      write_word(ADDR_R_DATA0 + 125, 32'hfc1ff62c);
+      write_word(ADDR_R_DATA0 + 126, 32'he2de7f12);
+      write_word(ADDR_R_DATA0 + 127, 32'h9b187053);
+
+      // Write magic words to A.
+      write_word(ADDR_A0, 32'ha65959a6);
+      write_word(ADDR_A1, 32'h00000200);
+
+      $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_ae_128_2 END.\n");
+    end
+  endtask // test_kwp_ae_128_2
 
 
   //----------------------------------------------------------------
@@ -454,7 +744,9 @@ module tb_keywrap();
       reset_dut();
       dump_dut_state();
 
-      test_kwp_ae_128_4();
+      test_kwp_ae_128_1();
+      test_kwp_ad_128_1();
+//      test_kwp_ae_128_2();
 
       display_test_results();