Un-Documented Feature

Arsen Ray Arachelian rarachel at prism.poly.edu
Sun Jul 3 09:41:27 PDT 1994


> Questions:
> 
> 1) In non-mathematical terms, if possible, what difference does this
>    make in terms of security?

None mathematically.  A friend of mine (denaro09 at darwin.poly.edu) has an
interesting thought on this.  If the NSA does have any method of screwing
RSA in any way, it's probably optimized for the common key lengths for PGP.
ie: 512, 1024, etc.  So he uses a 1023 bit key.  That one bit less may be
unsecure for him, but the idea is still sound.  Maybe a 1025 bit key would
give them less of an advantage.  Even so this is all speculation.  We don't
know what the NSA knows...






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