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RE: [W3C Web Crypto WG] Rechartering discussion - Gemalto contribution

From: Lu HongQian Karen <karen.lu@gemalto.com>
Date: Fri, 30 Jan 2015 21:59:37 +0000
To: Anders Rundgren <anders.rundgren.net@gmail.com>, Brad Hill <hillbrad@fb.com>, GALINDO Virginie <Virginie.Galindo@gemalto.com>, "public-web-security@w3.org" <public-web-security@w3.org>
CC: Wendy Seltzer <wseltzer@w3.org>, Harry Halpin <hhalpin@w3.org>
Message-ID: <A57CF975EE20E94794D73B2B8943F62CBC98F2F6@A1GTOEMBXV003.gto.a3c.atos.net>
Anders,

>- What does this offer that U2F doesn't already have?
U2F is for authentication. A secure hardware token can do that and other things as well, such as encryption and signature.

Regards,
Karen


-----Original Message-----
From: Anders Rundgren [mailto:anders.rundgren.net@gmail.com]
Sent: Thursday, January 29, 2015 11:42 PM
To: Brad Hill; Lu HongQian Karen; GALINDO Virginie; public-web-security@w3.org
Cc: Wendy Seltzer; Harry Halpin
Subject: Re: [W3C Web Crypto WG] Rechartering discussion - Gemalto contribution

On 2015-01-29 23:50, Brad Hill wrote:
> I would like to see details of how this kind of API would or could interact with the Same-Origin model of web security, specifically:
>
>  1. Privacy and tracking.  How does the presence of specific crypto elements and discoverable keys which are not Origin-scoped not create privacy violations?
>
> 2. Origin security.  How are risks around identification of or impersonation of the server-side of a transaction, and potential abuse of a globally-scope key mitigated by  this kind of API design?
>
> Without a clear discussion of how this API fits into the existing Web security and threat model, I think it is inappropriate to proceed.  We can't just throw away the fundamental security model that billions of users and deployed applications depend on, and I see no evidence (at least in these few slides) that such issues have been considered by this proposal.

+1

I sent a bunch of similar questions privately.

Assuming that the scheme indeed *is* SOP compliant a number of other questions arise such as:
- What does this offer that U2F doesn't already have?
- What are the thought applications for SOP-constrained certificates?

Then I would of course be very interested hearing how this specification matches the following bold statement by the W3C

              http://www.w3.org/2015/01/banker_payments.pdf


given the fact that

              Secure AND Convenient Web Payments

haven't really progressed the last 20 years or so.
If you consider usage and importance also, it has actually moved in the *opposite* direction.

Cheers
Anders Rundgren

>
> Brad Hill
>
> From: Lu HongQian Karen <karen.lu@gemalto.com
> <mailto:karen.lu@gemalto.com>>
> Date: Wednesday, January 28, 2015 at 10:01 AM
> To: GALINDO Virginie <Virginie.Galindo@gemalto.com
> <mailto:Virginie.Galindo@gemalto.com>>, "public-webcrypto@w3.org
> <mailto:public-webcrypto@w3.org>" <public-webcrypto@w3.org
> <mailto:public-webcrypto@w3.org>>
> Cc: "public-web-security@w3.org <mailto:public-web-security@w3.org>"
> <public-web-security@w3.org <mailto:public-web-security@w3.org>>,
> Wendy Seltzer <wseltzer@w3.org <mailto:wseltzer@w3.org>>, Harry Halpin
> <hhalpin@w3.org <mailto:hhalpin@w3.org>>
> Subject: RE: [W3C Web Crypto WG] Rechartering discussion - Gemalto
> contribution
> Resent-From: <public-web-security@w3.org
> <mailto:public-web-security@w3.org>>
> Resent-Date: Wednesday, January 28, 2015 at 10:04 AM
>
>     Please review Gemalto’s contribution. We welcome your comments.
>
>     Regards,
>
>     Karen
>
>     *From:*GALINDO Virginie [mailto:Virginie.Galindo@gemalto.com]
>     *Sent:* Wednesday, January 07, 2015 3:48 AM
>     *To:* public-webcrypto@w3.org <mailto:public-webcrypto@w3.org>
>     *Cc:* public-web-security@w3.org <mailto:public-web-security@w3.org>; Wendy Seltzer; Harry Halpin
>     *Subject:* [W3C Web Crypto WG] Rechartering discussion
>
>     Dear all,
>
>     Web Crypto WG charter [1] will end by the end of March. We need to prepare the next charter of Web Crypto.
>
>     As a reminder, the conversation has started on this page :
> https://www.w3.org/Security/wiki/IG/webcryptonext_draft_charter

>
>     Feel free to add you ideas and suggestions on the wiki and/or expose your opinion and question on the public-webcrypto@w3.org <mailto:public-webcrypto@w3.org> or public-webcrypto-comment@w3.org <mailto:public-webcrypto-comment@w3.org> (for non W3C Web Crypto WG members).
>
>     Regards,
>
>     Virginie
>
>     [1] http://www.w3.org/2011/11/webcryptography-charter.html

>
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Received on Friday, 30 January 2015 22:00:09 UTC

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