Re: (fwd) Re: NSA Helped Yeltsin Foil 1991 Coup

[Eli Brandt <ebrandt@jarthur.cs.hmc.edu>]

Jay said:
> It requires computing one extra xor per block.

Plus a truckload of good random numbers.  To do it right, a hardware
RNG is in order.  A PRNG really makes no sense, because if you
have a PRNG that strong, why not just use it as a stream cipher?

> that the actual increase in bandwidth for a three cypher system
> threshold in a practical encryption package like PGP would not be 2 to
> 1 since it likely compresses before encryption.)

To be fair, you need to compare compressed-and-split with
compressed-only.  This *is* going to be a factor-of-3 size hit.

   Eli   ebrandt@hmc.edu