diff options
Diffstat (limited to 'src/tb')
| -rw-r--r-- | src/tb/fake_modules/avalance_entropy.v | 74 | ||||
| -rw-r--r-- | src/tb/fake_modules/pseudo_entropy.v | 72 | ||||
| -rw-r--r-- | src/tb/fake_modules/ringosc_entropy.v | 72 |
3 files changed, 218 insertions, 0 deletions
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 +//====================================================================== |