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<h2>External Avalanche Entropy</h2>
<p>This is a test project of an entropy provider that collects entropy from
an avalanche noise based source.</p>
<p>The design expects a one bit digital input noise signal. The collector
observes positive flank events in the input noise signal and measures the
time between these events using a counter. The counter is free running
and increases once for each clock cycle (currently running av 50 MHz).</p>
<p>The LSB of the counter is added to a 32-bit entropy register at each
event.</p>
<p>As debug output the entropy register is sampled at a given rate
(currently a few times per second). The debug output is connected to LED
on the FPGA development board.</p>
<p>The project also contains project files, pin assignments and clock
definition neded to implement the design on a TerasIC DE0-Nano board.</p>
[[RepositoryIndex(format=table,glob=test/external_avalanche_entropy)]]
Clone https://git.cryptech.is/test/external_avalanche_entropy.git |
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