On Tue, 16 Dec 1997, John Young wrote: > Peter Gutmann wrote: > > >There's an interesting paper at http://www.cesg.gov.uk/ellisint.htm which > >claims that UK spooks invented both RSA and DH in 1973 and 1974 respectively. > > We've converted the Ellis Postscript doc to HTML: > > http://jya.com/ellisdoc.htm Can patents be revoked due to prior art arguments? Jim Burnes