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[liberationtech] USB Block Erupters as RNG sources?

d.nix d.nix at comcast.net
Thu Oct 3 09:11:43 PDT 2013


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> "Very little", and "no".  They're basically custom Bitcoin-mining
> ASICs, I looked at one a while back for use in password-cracking
> and they're really not suited for it at all, you load a vector in
> and say "go" but since they're quite I/O-limited you can't easily
> adapt them for hash-breaking.  As for RNG use, they're entirely
> deterministic, how would you use them as an RNG source?
> 

> 
> at best you *might* be able twist it into a DRBG that would still
> need to be seeded (and regularly reseeded) with robust entropy.
> 
> these ASICs really are single purpose; they're useless for anything
> else.

Thanks Peter, Coderman-

Kinda what I suspected seeing as they are *Application Specific* IC's
after all... Wishful thinking more than anything knowing that they are
now saturating their market and loosing value rapidly.

Cheers!

DN

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