// COMPLETE THREAD

patent licenses

1 expanded post · every known parent and child

NODE c27e40fbpatent licenses Mixmaster <mixmaster@remail.obscura.com>Tue, 16 Apr 1996 14:10:59 +0800

Simon Spero <ses@tipper.oit.unc.edu> writes:

>Well, if you're using RC4, you're probably using some sort of public-key 
>based key exchange, which you're probably going to need to licence, and 
>BSAFE is the easiest way to do that,  so RC4 is pretty much a freebie

If the Diffie-Hellmann patent covers all kind of public key crypto,
you need a license from Cylink, i.e. BSAFE is not enough, and if it
doesn't you can use El Gamal without a license.