From 22c547c903ee57e47460ae0a026348da3913d7b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Wed, 3 Jun 2015 11:39:26 +0200
Subject: Adding the encipher/verify test case with 1024 bit RSA key by Rob.

---
 src/tb/tb_modexp.v | 199 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 189 insertions(+), 10 deletions(-)

diff --git a/src/tb/tb_modexp.v b/src/tb/tb_modexp.v
index c7c7d13..c2ab7fb 100644
--- a/src/tb/tb_modexp.v
+++ b/src/tb/tb_modexp.v
@@ -995,19 +995,18 @@ module tb_modexp();
   endtask // e65537_256bit_modulus
 
 
-
   //----------------------------------------------------------------
-  // rob_1024()
+  // rob_dec_1024()
   //
-  // Task that tests modexp with 1024 bit sign with real RSA
-  // operands.
+  // Task that tests modexp with 1024 bit decipher/sign with
+  // real RSA key operands.
   //----------------------------------------------------------------
-  task rob_1024();
+  task rob_dec_1024();
     reg [31 : 0] read_data;
     begin
       success = 32'h1;
       tc_ctr = tc_ctr + 1;
-      $display("Test with Rob 1024 bit operands.");
+      $display("Desipher/Sign Test with Rob 1024 bit operands.");
 
       write_word({GENERAL_PREFIX, ADDR_EXPONENT_PTR_RST}, 32'h00000000);
       write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
@@ -1165,13 +1164,192 @@ module tb_modexp();
 
       if (success !== 1)
         begin
-          $display("*** ERROR: rob_1024 was NOT successful.");
+          $display("*** ERROR: rob_dec_1024 was NOT successful.");
+          error_ctr = error_ctr + 1;
+        end
+      else
+        $display("*** rob_dec_1024 success.");
+    end
+  endtask // rob_dec_1024
+
+
+  //----------------------------------------------------------------
+  // rob_enc_1024()
+  //
+  // Task that tests modexp with 1024 bit encipher/verify with
+  // real RSA key operands.
+  //----------------------------------------------------------------
+  task rob_enc_1024();
+    reg [31 : 0] read_data;
+    begin
+      success = 32'h1;
+      tc_ctr = tc_ctr + 1;
+      $display("Encipher/Verify Test with Rob 1024 bit operands.");
+
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_PTR_RST}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_DATA}, 32'h00010001);
+
+
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_PTR_RST}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h06339a64);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h367db02a);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hf41158cc);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h95e76049);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h4519c165);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h111184be);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'he41d8ee2);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h2ae5f5d1);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h1da7f962);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hac93ac88);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h915eee13);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'ha3350c22);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hf0dfa62e);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hfdfc2b62);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h29f26e27);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hbebdc84e);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h4746df79);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h7b387ad2);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h13423c9f);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h98e8a146);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hff486b6c);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h1a85414e);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h73117121);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hb700e547);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hab4e07b2);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h21b988b8);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h24dd77c2);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'h046b0a20);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hcddb986a);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hac75c2f2);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hb044ed59);
+      write_word({GENERAL_PREFIX, ADDR_MESSAGE_DATA}, 32'hea565879);
+
+
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_PTR_RST}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h00000000);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hd075ec0a);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h95048ef8);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hcaa69073);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h8d9d58e9);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h1764b437);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h50b58cad);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h8a6e3199);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h135f80ee);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h84eb2bde);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h58d38ee3);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h5825e91e);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hafdeb1ba);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'ha15a160b);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h0057c47c);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hc7765e31);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h868a3e15);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h5ee57cef);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hb008c4dd);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h6a0a89ee);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h98a4ee9c);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h971a07de);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h61e5b0d3);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hcf70e1cd);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hc6a0de5b);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h451f2fb9);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hdb995196);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h9f2f884b);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h4b09749a);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'he6c4ddbe);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h7ee61f79);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'h265c6adf);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_DATA}, 32'hb16b3015);
+
+
+      write_word({GENERAL_PREFIX, ADDR_EXPONENT_LENGTH}, 32'h00000021);
+      write_word({GENERAL_PREFIX, ADDR_MODULUS_LENGTH}, 32'h00000021);
+
+      start_test_cycle_ctr();
+
+      // Start processing and wait for ready.
+      write_word({GENERAL_PREFIX, ADDR_CTRL}, 32'h00000001);
+      wait_ready();
+
+      stop_test_cycle_ctr();
+
+      write_word({GENERAL_PREFIX, ADDR_RESULT_PTR_RST}, 32'h00000000);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h00000000, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h0001ffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hffffffff, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h00303130, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h0d060960, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h86480165, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h03040201, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h05000420, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h8e36fc9a, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'ha31724c3, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h2416263c, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h0366a175, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'hfabbb92b, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h741ca649, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h6107074d, read_data);
+      read_word({GENERAL_PREFIX, ADDR_RESULT_DATA}); read_data = tb_read_data; success = success & assertEquals(32'h0343b597, read_data);
+
+      if (success !== 1)
+        begin
+          $display("*** ERROR: rob_enc_1024 was NOT successful.");
           error_ctr = error_ctr + 1;
         end
       else
-        $display("*** rob_1024 success.");
+        $display("*** rob_enc_1024 success.");
     end
-  endtask // rob_1024
+  endtask // rob_enc_1024
+
 
   //----------------------------------------------------------------
   // main
@@ -1199,7 +1377,8 @@ module tb_modexp();
 //      e65537_128bit_modulus();
 //      e65537_256bit_modulus();
 
-      rob_1024();
+//      rob_dec_1024();
+      rob_enc_1024();
 
       display_test_results();
 
-- 
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