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[webauthn] Pull Request: Add “appidExclude” extension.

From: Adam Langley via GitHub <sysbot+gh@w3.org>
Date: Mon, 24 Jun 2019 21:19:27 +0000
To: public-webauthn@w3.org
Message-ID: <pull_request.opened-291300448-1561411166-sysbot+gh@w3.org>
agl has just submitted a new pull request for https://github.com/w3c/webauthn:

== Add “appidExclude” extension. ==
This change adds a registration-only “appidExclude” extension that allows platforms to make excludeCredentials effective when transitioning from U2F.

It's a separate extension from “appid” because that extension was documented in level one as being authentication-only and some implementations thus reject it for registration. Also, having an “appid” extension that's effective during registration invites people to believe that it does the “obvious” thing and allows the creation of U2F credentials, which isn't true.

Fixes #1235.

See https://github.com/w3c/webauthn/pull/1244
Received on Monday, 24 June 2019 21:19:29 UTC

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