[Cryptech-Commits] [staging/core/rng/trng] 07/30: Adding fake modules for the three types of entropy sources to allow us to simulate with known values.
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Tue Mar 17 13:18:56 UTC 2015
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paul at psgd.org pushed a commit to branch master
in repository staging/core/rng/trng.
commit 680c272a45e793c95db4041af74e21d229a51188
Author: Joachim Strömbergson <joachim at secworks.se>
Date: Fri Sep 12 14:12:19 2014 +0200
Adding fake modules for the three types of entropy sources to allow us to simulate with known values.
---
src/tb/fake_modules/avalance_entropy.v | 74 ++++++++++++++++++++++++++++++++++
src/tb/fake_modules/pseudo_entropy.v | 72 +++++++++++++++++++++++++++++++++
src/tb/fake_modules/ringosc_entropy.v | 72 +++++++++++++++++++++++++++++++++
3 files changed, 218 insertions(+)
diff --git a/src/tb/fake_modules/avalance_entropy.v b/src/tb/fake_modules/avalance_entropy.v
new file mode 100644
index 0000000..66da3ce
--- /dev/null
+++ b/src/tb/fake_modules/avalance_entropy.v
@@ -0,0 +1,74 @@
+//======================================================================
+//
+// avalance_entropy.v
+// ------------------
+// Fake avalanche entropy source. This module SHOULD ONLY be used
+// during simulation of the Cryptech True Random Number Generator
+// (trng). The module DOES NOT provide any real entropy.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2014, 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 avalance_entropy(
+ input wire clk,
+ input wire reset_n,
+
+ input wire enable,
+
+ input wire noise,
+
+ output wire [31 : 0] raw_entropy,
+ output wire [31 : 0] stats,
+
+ output wire enabled,
+ output wire entropy_syn,
+ output wire [31 : 0] entropy_data,
+ input wire entropy_ack
+ );
+
+
+ //----------------------------------------------------------------
+ // Concurrent connectivity for ports etc.
+ //----------------------------------------------------------------
+ assign enabled = enable;
+
+ assign raw_entropy = enable ? 32'hdeaddead : 32'h00000000;
+ assign stats = enable ? 32'hbeefbeef : 32'h00000000;
+
+ assign entropy_syn = enable;
+ assign entropy_data = enable ? 32'h01020304 : 32'h00000000;
+
+endmodule // avalance_entropy
+
+//======================================================================
+// EOF avalance_entropy.v
+//======================================================================
diff --git a/src/tb/fake_modules/pseudo_entropy.v b/src/tb/fake_modules/pseudo_entropy.v
new file mode 100644
index 0000000..bd7528b
--- /dev/null
+++ b/src/tb/fake_modules/pseudo_entropy.v
@@ -0,0 +1,72 @@
+//======================================================================
+//
+// pseudo_entropy.v
+// ----------------
+// Fake pseudo entropy source. This module SHOULD ONLY be used
+// during simulation of the Cryptech True Random Number Generator
+// (trng). The module DOES NOT provide any real entropy.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2014, 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 pseudo_entropy(
+ input wire clk,
+ input wire reset_n,
+
+ input wire enable,
+
+ output wire [31 : 0] raw_entropy,
+ output wire [31 : 0] stats,
+
+ output wire enabled,
+ output wire entropy_syn,
+ output wire [31 : 0] entropy_data,
+ input wire entropy_ack
+ );
+
+
+ //----------------------------------------------------------------
+ // Concurrent connectivity for ports etc.
+ //----------------------------------------------------------------
+ assign enabled = enable;
+
+ assign raw_entropy = enable ? 32'h00ff00ff : 32'h00000000;
+ assign stats = enable ? 32'hff00ff00 : 32'h00000000;
+
+ assign entropy_syn = enable;
+ assign entropy_data = enable ? 32'hf1e2d3c4 : 32'h00000000;
+
+endmodule // pseudo_entropy
+
+//======================================================================
+// EOF pseudo_entropy.v
+//======================================================================
diff --git a/src/tb/fake_modules/ringosc_entropy.v b/src/tb/fake_modules/ringosc_entropy.v
new file mode 100644
index 0000000..b4367bf
--- /dev/null
+++ b/src/tb/fake_modules/ringosc_entropy.v
@@ -0,0 +1,72 @@
+//======================================================================
+//
+// ringosc_entropy.v
+// ----------------
+// Fake ring oscillator based entropy source. This module SHOULD ONLY
+// be used during simulation of the Cryptech True Random Number
+// Generator (trng). The module DOES NOT provide any real entropy.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2014, 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 ringosc_entropy(
+ input wire clk,
+ input wire reset_n,
+
+ input wire enable,
+
+ output wire [31 : 0] raw_entropy,
+ output wire [31 : 0] stats,
+
+ output wire enabled,
+ output wire entropy_syn,
+ output wire [31 : 0] entropy_data,
+ input wire entropy_ack
+ );
+
+
+ //----------------------------------------------------------------
+ // Concurrent connectivity for ports etc.
+ //----------------------------------------------------------------
+ assign enabled = enable;
+
+ assign raw_entropy = enable ? 32'h01234567 : 32'h00000000;
+ assign stats = enable ? 32'hfedcba98 : 32'h00000000;
+
+ assign entropy_syn = enable;
+ assign entropy_data = enable ? 32'ha5a5a5a5 : 32'h00000000;
+
+endmodule // ringosc_entropy
+
+//======================================================================
+// EOF ringosc_entropy.v
+//======================================================================
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