[Cryptography] A TRNG review per day (week?): ATSHA204A has low entropy

Peter Gutmann pgut001 at cs.auckland.ac.nz
Tue Dec 9 16:46:44 EST 2014

"Cox, Landon" <Landon.Cox at atmel.com> writes:

>You are correct, you should always update the seed between wake/sleep power

Does this problem affect the ATECC108 as well?  The data sheet (well, extended
brochure since you can't get the data sheet publicly) for this is from October
2013, which predates the fix introduced in the ATSHA204A (July 2014) by quite
some time.


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