[18466] in cryptography@c2.net mail archive
RE: ECC patents?
daemon@ATHENA.MIT.EDU (Whyte, William)
Thu Sep 15 10:33:03 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Wed, 14 Sep 2005 14:02:30 -0400
From: "Whyte, William" <WWhyte@ntru.com>
To: "Alexander Klimov" <alserkli@inbox.ru>,
<cryptography@metzdowd.com>
> http://www1.ietf.org/proceedings_new/04nov/slides/saag-2/sld9.htm:
>=20
> What is Really Covered
> o The use of elliptic curves defined over GF(p) where p is a prime
> number greater than 2^255 when the product satisfies the Field of
> Use conditions
> o Both compressed and uncompressed point implementations
> o Use of elliptic curve MQV and ECDSA under the above conditions
>=20
> This hints that indeed only some particular curves are patented.
It hints that only some particular curves have been licensed.
It could be that NSA has decided not to buy a license for
the other curves, or it could be that operations on those
curves aren't patented. The presentation doesn't give enough
information to establish which.
William
---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo@metzdowd.com
