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authorJoachim StroĢˆmbergson <joachim@secworks.se>2015-04-01 13:43:40 +0200
committerJoachim StroĢˆmbergson <joachim@secworks.se>2015-04-01 13:43:40 +0200
commit9ef2a044e6ce90f2b6381d351069be7034c431ce (patch)
treee96099f5ba252cfeb082b6340739fc7692914274 /src/tb/fake_modules
parentd9758bce9e4a4078db00b34780ac0d23c8c8ae92 (diff)
Adding fake entropy providers to allow us to simulate the complete trng.
Diffstat (limited to 'src/tb/fake_modules')
-rw-r--r--src/tb/fake_modules/avalanche_entropy.v98
-rw-r--r--src/tb/fake_modules/rosc_entropy.v98
2 files changed, 196 insertions, 0 deletions
diff --git a/src/tb/fake_modules/avalanche_entropy.v b/src/tb/fake_modules/avalanche_entropy.v
new file mode 100644
index 0000000..857926c
--- /dev/null
+++ b/src/tb/fake_modules/avalanche_entropy.v
@@ -0,0 +1,98 @@
+//======================================================================
+//
+// avalanche_entropy.v
+// -------------------
+// Fake avalanche entropy source. Basically a wrapper around the
+// pseudo entropy core. Used during simulation of the TRNG.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2015, NORDUnet A/S All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// - Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module avalanche_entropy(
+ input wire clk,
+ input wire reset_n,
+
+ input wire noise,
+
+ input wire cs,
+ input wire we,
+ input wire [7 : 0] address,
+ input wire [31 : 0] write_data,
+ output wire [31 : 0] read_data,
+ output wire error,
+
+ input wire discard,
+ input wire test_mode,
+ output wire security_error,
+
+ output wire entropy_enabled,
+ output wire [31 : 0] entropy_data,
+ output wire entropy_valid,
+ input wire entropy_ack,
+
+ output wire [7 : 0] debug,
+ input wire debug_update
+ );
+
+
+ //----------------------------------------------------------------
+ // Internal constant and parameter definitions.
+ //----------------------------------------------------------------
+ assign read_data = 32'h00000000;
+ assign error = 0;
+ assign security_error = 0;
+ assign debug = 8'h00;
+
+
+ //----------------------------------------------------------------
+ // Core instantiation.
+ //----------------------------------------------------------------
+ pseudo_entropy core(
+ .clk(clk),
+ .reset_n(reset_n),
+
+ .enable(1),
+
+ .raw_entropy(noise),
+ .stats(),
+
+ .enabled(entropy_enabled),
+ .entropy_syn(entropy_valid),
+ .entropy_data(entropy_data),
+ .entropy_ack(entropy_ack)
+ );
+
+endmodule // avalanche_entropy
+
+//======================================================================
+// EOF avalanche_entropy.v
+//======================================================================
diff --git a/src/tb/fake_modules/rosc_entropy.v b/src/tb/fake_modules/rosc_entropy.v
new file mode 100644
index 0000000..b66bd90
--- /dev/null
+++ b/src/tb/fake_modules/rosc_entropy.v
@@ -0,0 +1,98 @@
+//======================================================================
+//
+// rosc_entropy.v
+// ---------------
+// Fake rosc entropy source. Basically a wrapper around the
+// pseudo entropy core. Used during simulation of the TRNG.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2015, NORDUnet A/S All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// - Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module rosc_entropy(
+ input wire clk,
+ input wire reset_n,
+
+ input wire noise,
+
+ input wire cs,
+ input wire we,
+ input wire [7 : 0] address,
+ input wire [31 : 0] write_data,
+ output wire [31 : 0] read_data,
+ output wire error,
+
+ input wire discard,
+ input wire test_mode,
+ output wire security_error,
+
+ output wire entropy_enabled,
+ output wire [31 : 0] entropy_data,
+ output wire entropy_valid,
+ input wire entropy_ack,
+
+ output wire [7 : 0] debug,
+ input wire debug_update
+ );
+
+
+ //----------------------------------------------------------------
+ // Internal constant and parameter definitions.
+ //----------------------------------------------------------------
+ assign read_data = 32'h00000000;
+ assign error = 0;
+ assign security_error = 0;
+ assign debug = 8'h00;
+
+
+ //----------------------------------------------------------------
+ // Core instantiation.
+ //----------------------------------------------------------------
+ pseudo_entropy core(
+ .clk(clk),
+ .reset_n(reset_n),
+
+ .enable(1),
+
+ .raw_entropy(noise),
+ .stats(),
+
+ .enabled(entropy_enabled),
+ .entropy_syn(entropy_valid),
+ .entropy_data(entropy_data),
+ .entropy_ack(entropy_ack)
+ );
+
+endmodule // rosc_entropy
+
+//======================================================================
+// EOF rosc_entropy.v
+//======================================================================