Re: Elgamal

[Steven M. Bellovin]

In message <[EMAIL PROTECTED]>, "Simon Aronson" w
rites:
>In an implementation of the ElGamal cryptosystem, is it acceptable to always
>use the same prime and generator for every transmission? Or should a new
>prime/generator pair be chosen for each communication?
>

The important thing is that the random number really has to be random 
and unguessable.
>


                --Steve Bellovin