[Openid-specs-fapi] Signatures in FAPI and W3C's PaymentRequest

Dave Tonge dave.tonge at momentumft.co.uk
Thu Jan 3 12:32:06 UTC 2019

Hi Anders

Do you have a link to the documentation for signing PaymentRequests?



On Fri, 21 Dec 2018 at 05:42, Anders Rundgren via Openid-specs-fapi <
openid-specs-fapi at lists.openid.net> wrote:

> Hi FAPIers,
> There are multiple issues here but let me focus on a subject which I have
> spent considerable time and effort on,  namely "Signed JSON".
> Since PaymentRequest is a JavaScript API running in a browser, FAPI's
> current HTTP-bound signature scheme is not applicable.
> That is, the W3C have to come up with another model for
> https://www.w3.org/securepay/charter.html which is a pity since it means
> that JSON signature solutions (possibly even within a single application),
> will be different.
> Effectively W3C's at this stage only known choices are:
> - JWS [1]
> - JWS-JCS [2, 3]
> - Starting from scratch
> Personally, I would be very surprised if the W3C settles on JWS because it
> pretty much destroys the API concept.
> Anders
> 1] https://tools.ietf.org/html/rfc7515
> 2] Underpinning Internet-Draft:
> https://tools.ietf.org/html/draft-rundgren-json-canonicalization-scheme-02
> 3] On-line testing: https://mobilepki.org/jws-jcs/home
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Dave Tonge
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