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Date: Wed, 21 Jul 1999 14:11:10 -0700 To: John Kelsey <kelsey.j@ix.netcom.com> From: Bill Stewart <bill.stewart@pobox.com> Cc: cryptography <cryptography@c2.net> In-Reply-To: <4.1.19990721145705.00975970@popd.ix.netcom.com> At 03:16 PM 7/21/99 -0500, John Kelsey wrote: >Suppose God, in a fit of budget-consciouness, decides to get >rid of all this wasteful hardware for generating random >numbers that are necessary for quantum mechanics, and >instead replaces them with a PRNG with a 256-bit seed. In >this case, all hardware noise sources are ultimately tapping >into this same seed and PRNG. How will you, or anyone, tell >the difference? (This assumes that God can find some good >pseudorandom function families, of course.) God would then, as Von Neumann put it, be living in a state of sin :-) Thanks! Bill Bill Stewart, bill.stewart@pobox.com PGP Fingerprint D454 E202 CBC8 40BF 3C85 B884 0ABE 4639
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