On 28 Jul 2014 18:23 +0200, from [email protected] (Lodewijk andré de la porte):
> If I XOR probably random data with good enough random data, does that
> result in at least good enough random data?

If you are truly concerned, have you considered implementing a proper
CSPRNG yourself in Javascript (or using someone else's implementation
of the same; I'm sure they are out there) and seeding that PRNG with
randomness from both sides of the communications channel?

It'd be a bit less obvious to the casual code viewer what's going on,
but you would seem to have a much better shot of guaranteeing a
particular level of randomness provided to whatever uses the PRNG.

-- 
Michael Kjörling • http://michael.kjorling.se[email protected]
OpenPGP B501AC6429EF4514 http://michael.kjorling.se/public-keys/pgp
                “People who think they know everything really annoy
                those of us who know we don’t.” (Bjarne Stroustrup)
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