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The following archive was created by hippie-mail 7.98617-22 on Fri Aug 21 1998 - 17:20:59 ADT
Tim Dierks (timd@consensus.com)
Tue, 28 Jul 1998 12:27:29 -0700
At 12:15 PM -0400 7/28/98, Vin McLellan wrote:
> Actually, I had just read the paper Claus Schorr submitted to the
>IEEE in March. I don't think I had ever seen him or anyone else make the
>argument before -- although, of course, I had heard of it. Anyone have any
>comments on it? See:
><http://grouper.ieee.org/groups/1363/letters/SchnorrMar98.html>
I had previously disregarded the Schnorr patent w.r.t. DSA, as the US
patent clearly covers only smartcards (maybe other hardware implementations
as well; I forget).
Apparently, the overseas patents may include more claims, which may cover
software implementations. (I haven't reviewed the patents; I am not a
lawyer.)
One point of interest: I'm sure the US patent got submitted with the same
claims as the European & Japanese patents. Why were the broader claims
refused? I'm guessing that there is prior art which was uncovered by the US
examiner, but did not come up in the European process; in this case,
examining the file associated with the patent may reveal it. This supposed
prior art may impinge upon the validity of some of the European and
Japanese patent claims.
- Tim
Tim Dierks - timd@consensus.com - www.consensus.com
VP of Engineering - Consensus Development
Developer of SSL Plus: SSL 3.0 Integration Suite
The following archive was created by hippie-mail 7.98617-22 on Fri Aug 21 1998 - 17:20:59 ADT