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SP800-90A DRBG mode capabilities entropyInputLen parameter used for both instantiate and reseed tests #1014

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Sv3n opened this issue Sep 22, 2020 · 0 comments

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@Sv3n
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Sv3n commented Sep 22, 2020

Related to this section: https://usnistgov.github.io/ACVP/draft-vassilev-acvp-drbg.html#name-property-registration

During capability registration for SP800-90A DRBG tests, a single entropyInputLen parameter selects the entropy input size during both instantiate and reseed tests. In practice, these length are not necessarily the same. I'm currently looking at an implementation that has a fixed and distinct entropy requirement during these 2 functions, but I am unable to translate that into a matching capability registration.

Is there any chance that in the future it will be possible to register a distinct entropyInputLen for instantiate and reseed, respectively, e.g. something like entropyInputLenInstantiate and entropyInputLenReseed?

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