Re: [ltans] Harber and Stornetta expiry
todd glassey <tglassey@earthlink.net> Mon, 18 July 2011 15:51 UTC
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Date: Mon, 18 Jul 2011 08:51:47 -0700
From: todd glassey <tglassey@earthlink.net>
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Subject: Re: [ltans] Harber and Stornetta expiry
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On 7/17/2011 1:28 PM, Tobias Gondrom wrote: > (Yes, ltans is close to completion. The last bit we wait for is formal > publication of RFC 6283, which should happen Monday or Tuesday.) > > I read about the scheme you describe below. > Although I can see certain value in the linked hash chain, personally > I am not sure the additional value is significant enough compared to > let's say using multiple redundant TS (which does not require any > coordination between TSAs). > > From most of the current business scenarios I've seen the past months > and years, I would probably not expect a big push for the approach > (which of course is only my personal data set and does not exclude > there could be some business need out there). > > Best regards, Tobias I want to start a new NTP Time Stamping WG which uses the existing NTP protocol as a transport for timestamps and content validation services. As to why this is necessary - the issue is in the Trust Factors and Uniform Time Service models which all involve the hosting OS as the intermediary between the various protocols and their services. This is a failure of many of the IETF's efforts, but hey it is what it is... That said - NTP as both a time distribution vector, time verification vector and content controller is a natural fit. Any interests? Todd Glassey > > > > > On 14/07/11 20:35, Phillip Hallam-Baker wrote: >> I understand that LTANS is winding down, are any people interested in >> discussing opportunities in the wake of the above expiry? >> >> As I see it the advantage to the linked digest option is that it can >> be used to prevent default by TSAs and to provide robustness in the >> case that a TSA should fail. That is of course inevitable when >> looking at keeping records for centuries. >> >> >> In particular I think there is an opportunity here for a scheme where >> documents were fixed with relation to two timelines. The document >> itself would be fixed relative to a short term timeline maintained by >> a chosen TSA. the TSA timeline would then be periodically (e.g. every >> hour) be fixed relative to a meta timeline kept across multiple TSAs. >> >> Forging the long term archive would require a massive multi-party >> default. If we can make the number of parties number in the millions >> default becomes inconceivable. >> >> >> -- >> Website: http://hallambaker.com/ >> >> >> >> _______________________________________________ >> ltans mailing list >> ltans@ietf.org >> https://www.ietf.org/mailman/listinfo/ltans > > > _______________________________________________ > ltans mailing list > ltans@ietf.org > https://www.ietf.org/mailman/listinfo/ltans -- Todd S. Glassey This is from my personal email account and any materials from this account come with personal disclaimers. Further I OPT OUT of any and all commercial emailings.
- [ltans] Harber and Stornetta expiry Phillip Hallam-Baker
- Re: [ltans] Harber and Stornetta expiry Tobias Gondrom
- Re: [ltans] Harber and Stornetta expiry Peter Sylvester
- Re: [ltans] Harber and Stornetta expiry Phillip Hallam-Baker
- Re: [ltans] Harber and Stornetta expiry Tobias Gondrom
- Re: [ltans] Harber and Stornetta expiry Peter Sylvester
- Re: [ltans] Harber and Stornetta expiry todd glassey
- Re: [ltans] Harber and Stornetta expiry Peter Sylvester
- Re: [ltans] Harber and Stornetta expiry Phillip Hallam-Baker
- Re: [ltans] Harber and Stornetta expiry todd glassey
- Re: [ltans] Harber and Stornetta expiry Phillip Hallam-Baker
- Re: [ltans] Harber and Stornetta expiry todd glassey