Re: Remailer passphrases

[Simon Spero <ses@tipper.oit.unc.edu>]

On Tue, 12 Mar 1996, Perry E. Metzger wrote:

> 
> Signed Diffie-Hellman key exchanges have the property known as
> "Perfect Forward Secrecy". Even if the opponent gets your public keys


Just to clarify Perry's statement- Diffie-Helman key exchanges can 
provide Perfect forward secrecy if fresh parameters are used each time- 
protocols like the old version of SKIP, which do not use fresh paramaters 
each time, do not provide perfect forward secrecy.

Simon

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