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| -rw-r--r-- | README.md | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -31,7 +31,7 @@ Engineering. The TRNG consists of a chain with three main subsystems * Entropy generation -* Entropy accumulation (mixer) +* Entropy mixing * Random generation @@ -74,10 +74,10 @@ before providing it as 32-bit values to the entropy accumulator. -### Entropy accumulation ### +### Entropy mixing ### -The entropy acculumation subsystems reads 32-bit words from the entropy -generators. +The entropy mixer subsystems reads 32-bit words from the entropy +generators to build a block of bits to be mixed. When 1024 bits of mixed entropy has been collected the entropy is used as a message block which is fed into a hash function. @@ -135,6 +135,15 @@ other entropy source(s) to be connected on external ports. It is up to the user/system implementer to provide physical entropy souces. We will suggest and provide info on how to design at least one such source. +For simulation there are simplistic fake entropy sources that can be +found in the tb/fake_modules directory. This modules SHOULD NOT be used +as real sources. + +For synthesis there are wrappers for the real entropy source cores to +adapt their interfaces to what we need in the trng. These wrappers +should not be included during simulation. + + ## API ## |