Re: Progress on Linked Data Signatures from IETF 98

Great update Manu, thanks for the update and the creative work.


Matt Stone

On Tue, Mar 28, 2017 at 2:15 PM, Manu Sporny <>

> Hi all,
> I'm at IETF 98 this week along with some of the other participants in
> this group. Some of the focus has been on searching for a clear path
> forward for the Linked Data Signatures work that we're using for much of
> the Verifiable Claims work.
> We've had multiple meetings with people associated in the Security Area
> as well as people involved in digital signatures and crypto at IETF.
> We've met with the core editors of the JOSE stack (John Bradley - PING
> Identity and Mike Jones - Microsoft) and COSE work (Jim Schaad - creator
> of S/MIME and Matt Miller - Mozilla) and have found a way forward that
> will accelerate our ability to standardize the signature portions of
> this work.
> We have not used the JOSE suite to date because of a number of
> requirements around base64 encoding data, but there is an extension to
> JOSE that would enable us to reuse a subset of the JWT by creating a
> profile for JWT. John Bradley, Mike Jones, and I hammered out an
> approach that we think might work that will give us all of the benefits
> of the current Linked Signatures specification while re-using part of
> the cryptography stack that already has buy-in from IETF. This is good
> news as it will accelerate our ability to move some of the other
> specifications related to this work along in parallel. This approach
> accomplishes this because we won't be inventing anything new, but rather
> reusing technologies that already exist at IETF.
> I'll provide more details to the group after I'm done traveling
> (mid-April).
> -- manu
> --
> Manu Sporny (skype: msporny, twitter: manusporny, G+: +Manu Sporny)
> Founder/CEO - Digital Bazaar, Inc.
> blog: Rebalancing How the Web is Built

Received on Tuesday, 4 April 2017 23:20:46 UTC