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<h1>novena_trng</h1>
<p>This is an experimental HW system for the Novena platform.</p>
<p>The purpose of the system is to debug, evaluate and qualify the
Cryptech True Random Number Generator (TRNG) on the Novena platform with
the Xilinx Spartan-6 FPGA. The entropy providers being tested are the noise
based entropy provider and the ring oscillator based entropy provider.</p>
<p>The following cores are used in the system:
- core/coretest, the test command parser</p>
<ul>
<li><p>core/i2c, the serial interface that connects the system to the
Novena CPU.</p></li>
<li><p>core/avalanche_entropy, the entropy provider that is driven by an
external noise source.</p></li>
<li><p>core/rosc_entropy, the entropy provider driven by jitter between 32
independently running ring oscillators in the FPGA.</p></li>
<li><p>core/trng, the cryptech random number generator. This core uses the
ChaCha stream cipher core in core/chacha, the SHA-512 hash function
core in core/sha512</p></li>
</ul>
<p>Test SW is available in src/sw</p>
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