PGP3.0 & ElGamal

[Bert-Jaap Koops]

paul at fatmans.demon.co.uk wrote:
> I know 3.0 uses discrete log cryptography but whether it will be 
> El Gamal or DH or other I don`t know. I would imagine in the end it 
> would come down to a question of what is unpatented first and I have 
> no idea on the patent date for El Gamal (is it even patented?) but DH 
> hasn`t long to go....

According to Schneier, ElGamal isn't patented, but claimed to be 
covered by the Diffie-Hellman patent, which expires 29 April 1997.

Bert-Jaap