Re: [TLS] draft on new TLS key exchange
Jean-Marc Desperrier <jmdesp@free.fr> Fri, 07 October 2011 14:25 UTC
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Date: Fri, 07 Oct 2011 16:28:43 +0200
From: Jean-Marc Desperrier <jmdesp@free.fr>
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To: Peter Gutmann <pgut001@cs.auckland.ac.nz>, "tls@ietf.org" <tls@ietf.org>
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Subject: Re: [TLS] draft on new TLS key exchange
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Peter Gutmann wrote: > Speaking of SRP, I'm told the EKE patent expired a few days ago. True for US 5,241,599 : http://www.google.com/patents?id=LxgbAAAAEBAJ Filing date: Oct 2, 1991, Issue date: Aug 31, 1993 (US patent law for patents filed before Aug 95 : Valid for 20 years after filing date, or 17 years after issue date, whichever is longer ) Not true for US 5,440,635 : http://www.google.com/patents?id=ByMhAAAAEBAJ Filing date: Aug 23, 1993, Issue date: Aug 8, 1995 => Valid until Aug 23, 2013 Lucent used to claim both /could/ apply to SRP http://www.ietf.org/proceedings/53/slides/ips-9/tsld010.htm before reverting to a position of pure FUD on the subject http://www.ietf.org/proceedings/53/slides/ips-9/tsld011.htm
- [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Geoffrey Keating
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Jean-Marc Desperrier
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Marsh Ray
- Re: [TLS] draft on new TLS key exchange Yoav Nir
- Re: [TLS] draft on new TLS key exchange Marsh Ray
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Marsh Ray
- Re: [TLS] draft on new TLS key exchange Martin Rex
- [TLS] TLS-EAP. Was: draft on new TLS key exchange Anders Rundgren
- Re: [TLS] TLS-EAP. Was: draft on new TLS key exch… Marsh Ray
- Re: [TLS] draft on new TLS key exchange Marsh Ray
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Philip Gladstone
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Dan Harkins
- Re: [TLS] draft on new TLS key exchange Jean-Marc Desperrier
- Re: [TLS] draft on new TLS key exchange Martin Rex
- Re: [TLS] draft on new TLS key exchange Rene Struik
- Re: [TLS] draft on new TLS key exchange Nico Williams
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Nico Williams
- Re: [TLS] draft on new TLS key exchange Peter Gutmann
- Re: [TLS] draft on new TLS key exchange Steven Bellovin
- Re: [TLS] draft on new TLS key exchange Anders Rundgren
- Re: [TLS] draft on new TLS key exchange Steven Bellovin