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<link href="#rfc.toc" rel="Contents">
<link href="#rfc.section.1" rel="Chapter" title="1 Introduction">
<link href="#rfc.section.2" rel="Chapter" title="2 WebAuthn Attestation Statement Format Identifier Registry">
<link href="#rfc.section.3" rel="Chapter" title="3 WebAuthn Extension Identifier Registry">
<link href="#rfc.section.4" rel="Chapter" title="4 IANA Considerations">
<link href="#rfc.section.4.1" rel="Chapter" title="4.1 WebAuthn Attestation Statement Format Identifier and Extension Identifiers Registries">
<link href="#rfc.section.5" rel="Chapter" title="5 Security Considerations">
<link href="#rfc.section.6" rel="Chapter" title="6 Acknowledgements">
<link href="#rfc.section.7" rel="Chapter" title="7 Document History">
<link href="#rfc.references" rel="Chapter" title="8 Normative References">
<link href="#rfc.authors" rel="Chapter">
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<meta name="dct.creator" content="Hodges, J., Mandyam, G., and M. Jones" />
<meta name="dct.identifier" content="urn:ietf:id:draft-hodges-webauthn-registries-01" />
<meta name="dct.issued" scheme="ISO8601" content="2018-02-27" />
<meta name="dct.abstract" content="This specification defines IANA registries for W3C Web Authentication attestation statement formats and extension identifiers. " />
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<table class="header">
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<td class="left">W3C WebAuthn Working Group</td>
<td class="right">J. Hodges</td>
</tr>
<tr>
<td class="left">Internet-Draft</td>
<td class="right">PayPal</td>
</tr>
<tr>
<td class="left">Intended status: Informational</td>
<td class="right">G. Mandyam</td>
</tr>
<tr>
<td class="left">Expires: August 31, 2018</td>
<td class="right">Qualcomm Technologies Inc.</td>
</tr>
<tr>
<td class="left"></td>
<td class="right">M. Jones</td>
</tr>
<tr>
<td class="left"></td>
<td class="right">Microsoft</td>
</tr>
<tr>
<td class="left"></td>
<td class="right">February 27, 2018</td>
</tr>
</tbody>
</table>
<p class="title">Registries for Web Authentication (WebAuthn)<br />
<span class="filename">draft-hodges-webauthn-registries-01</span></p>
<h1 id="rfc.abstract"><a href="#rfc.abstract">Abstract</a></h1>
<p>This specification defines IANA registries for W3C Web Authentication attestation statement formats and extension identifiers. </p>
<h1 id="rfc.status"><a href="#rfc.status">Status of This Memo</a></h1>
<p>This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79.</p>
<p>Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet-Drafts is at https://datatracker.ietf.org/drafts/current/.</p>
<p>Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress."</p>
<p>This Internet-Draft will expire on August 31, 2018.</p>
<h1 id="rfc.copyrightnotice"><a href="#rfc.copyrightnotice">Copyright Notice</a></h1>
<p>Copyright (c) 2018 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
<p>This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.</p>
<hr class="noprint" />
<h1 class="np" id="rfc.toc"><a href="#rfc.toc">Table of Contents</a></h1>
<ul class="toc">
<li>1. <a href="#rfc.section.1">Introduction</a>
</li>
<li>2. <a href="#rfc.section.2">WebAuthn Attestation Statement Format Identifier Registry</a>
</li>
<li>3. <a href="#rfc.section.3">WebAuthn Extension Identifier Registry</a>
</li>
<li>4. <a href="#rfc.section.4">IANA Considerations</a>
</li>
<ul><li>4.1. <a href="#rfc.section.4.1">WebAuthn Attestation Statement Format Identifier and Extension Identifiers Registries</a>
</li>
</ul><li>5. <a href="#rfc.section.5">Security Considerations</a>
</li>
<li>6. <a href="#rfc.section.6">Acknowledgements</a>
</li>
<li>7. <a href="#rfc.section.7">Document History</a>
</li>
<li>8. <a href="#rfc.references">Normative References</a>
</li>
<li><a href="#rfc.authors">Authors' Addresses</a>
</li>
</ul>
<h1 id="rfc.section.1">
<a href="#rfc.section.1">1.</a> <a href="#Introduction" id="Introduction">Introduction</a>
</h1>
<p id="rfc.section.1.p.1">This specification establishes IANA registries for W3C Web Authentication <a href="#WebAuthn" class="xref">[WebAuthn]</a> attestation statement formats and extension identifiers. The initial values for these registries are in the IANA Considerations section of the <a href="#WebAuthn" class="xref">[WebAuthn]</a> specification. </p>
<h1 id="rfc.section.2">
<a href="#rfc.section.2">2.</a> <a href="#sctn-reg-new-attstn-format" id="sctn-reg-new-attstn-format">WebAuthn Attestation Statement Format Identifier Registry</a>
</h1>
<p id="rfc.section.2.p.1">WebAuthn attestation statement format identifiers are strings whose semantic, syntactic, and string-matching criteria are specified in <a href="#WebAuthn" class="xref">[WebAuthn]</a>, along with the concepts of attestation and attestation statement formats. </p>
<p id="rfc.section.2.p.2">WebAuthn attestation statement formats are registered on the advice of a Designated Expert (appointed by the IESG or their delegate), with a Specification Required (per <a href="#RFC5226" class="xref">[RFC5226]</a>). </p>
<p id="rfc.section.2.p.3">The Expert(s) will establish procedures for requesting registrations, and make them available from the registry page. </p>
<p id="rfc.section.2.p.4">Registration requests consist of at least the following information: </p>
<ul>
<li>WebAuthn Attestation Statement Format Identifier: This identifier MUST be a maximum of 32 octets in length and MUST consist only of printable USASCII characters, excluding backslash and doublequote. This name is case sensitive. Names may not match other registered names in a case-insensitive manner unless the Designated Experts state that there is a compelling reason to allow an exception. </li>
<li>Description: A relatively short description of the attestation format. </li>
<li>Specification Document: Reference to the specification of the attestation statement format. </li>
<li>Notes: [optional]</li>
</ul>
<p> </p>
<p id="rfc.section.2.p.5">The Expert(s) MAY define additional fields to be collected in the registry. Each attestation statement format identifier added to this registry MUST be unique amongst the set of registered attestation statement format identifiers. The Experts(s) MAY also designate attestation statement formats as proprietary if they lack complete specifications, and will assign a prefix indicating as such to the identifier. </p>
<p id="rfc.section.2.p.6">Registrations MUST reference a freely available specification, e.g., as described in <a href="#RFC2026" class="xref">[RFC2026]</a> Section 7. </p>
<p id="rfc.section.2.p.7">Note that WebAuthn attestation statement formats can be registered by third parties, if the Expert(s) determine that an unregistered attestation statement format is widely deployed and not likely to be registered in a timely manner. </p>
<p id="rfc.section.2.p.8">Decisions (or lack thereof) made by the Designated Expert can be first appealed to Application Area Directors (contactable using app-ads@tools.ietf.org email address or directly by looking up their email addresses on http://www.iesg.org/ website) and, if the appellant is not satisfied with the response, to the full IESG (using the iesg@iesg.org mailing list). </p>
<p><br><br> </p>
<h1 id="rfc.section.3">
<a href="#rfc.section.3">3.</a> <a href="#sctn-reg-new-extn-id" id="sctn-reg-new-extn-id">WebAuthn Extension Identifier Registry</a>
</h1>
<p id="rfc.section.3.p.1">WebAuthn extension identifiers are strings whose semantic, syntactic, and string-matching criteria are specified in <a href="#WebAuthn" class="xref">[WebAuthn]</a>. </p>
<p id="rfc.section.3.p.2">WebAuthn extension identifiers are registered on the advice of a Designated Expert (appointed by the IESG or their delegate), with a Specification Required (per <a href="#RFC5226" class="xref">[RFC5226]</a>). </p>
<p id="rfc.section.3.p.3">The Expert(s) will establish procedures for requesting registrations, and make them available from the registry page. </p>
<p id="rfc.section.3.p.4">Registration requests consist of at least the following information: </p>
<ul>
<li>WebAuthn Extension Identifier: This identifier MUST be a maximum of 32 octets in length and MUST consist only of printable USASCII characters, excluding backslash and doublequote. This name is case sensitive. Names may not match other registered names in a case-insensitive manner unless the Designated Experts state that there is a compelling reason to allow an exception. </li>
<li>Description: A relatively short description of the extension.</li>
<li>Specification Document: Reference to the specification of the extension. </li>
<li>Notes: [optional]</li>
</ul>
<p> </p>
<p id="rfc.section.3.p.5">The Expert(s) MAY define additional fields to be collected in the registry. Each extension identifier added to this registry MUST be unique amongst the set of registered extension identifiers. </p>
<p id="rfc.section.3.p.6">Registrations MUST reference a freely available specification, e.g., as described in <a href="#RFC2026" class="xref">[RFC2026]</a> Section 7. </p>
<p id="rfc.section.3.p.7">Note that WebAuthn extensions can be registered by third parties, if the Expert(s) determine that an unregistered extension is widely deployed and not likely to be registered in a timely manner. </p>
<p id="rfc.section.3.p.8">Decisions (or lack thereof) made by the Designated Expert can be first appealed to Application Area Directors (contactable using app-ads@tools.ietf.org email address or directly by looking up their email addresses on http://www.iesg.org/ website) and, if the appellant is not satisfied with the response, to the full IESG (using the iesg@iesg.org mailing list). </p>
<h1 id="rfc.section.4">
<a href="#rfc.section.4">4.</a> <a href="#sctn-iana-cons" id="sctn-iana-cons">IANA Considerations</a>
</h1>
<h1 id="rfc.section.4.1">
<a href="#rfc.section.4.1">4.1.</a> <a href="#sctn-attstn-extn-regs" id="sctn-attstn-extn-regs">WebAuthn Attestation Statement Format Identifier and Extension Identifiers Registries</a>
</h1>
<p id="rfc.section.4.1.p.1">This specification establishes two registries: </p>
<ul>
<li>the "WebAuthn Attestation Statement Format Identifier" registry; see <a href="#sctn-reg-new-attstn-format" class="xref">Section 2</a>. </li>
<li>the "WebAuthn Extension Identifier" registry; see <a href="#sctn-reg-new-extn-id" class="xref">Section 3</a>. </li>
</ul>
<p> For both registries, the Expert(s) and IANA will interact as outlined below: </p>
<p id="rfc.section.4.1.p.2">IANA will direct any incoming requests regarding the registry to the processes established by the Expert(s); typically, this will mean referring them to the registry HTML page. </p>
<p id="rfc.section.4.1.p.3">The Expert(s) will provide registry data to IANA in an agreed form (e.g., a specific XML format). IANA will publish: </p>
<ul>
<li>The raw registry data</li>
<li>The registry data, transformed into HTML</li>
<li>The registry data in any alternative formats provided by the Expert(s)</li>
</ul>
<p> </p>
<p id="rfc.section.4.1.p.4">Each published document will be at a URL agreed to by IANA and the Expert(s) and IANA will set HTTP response headers on them as (reasonably) requested by the Expert(s). </p>
<p id="rfc.section.4.1.p.5">Additionally, the HTML generated by IANA will: </p>
<ul>
<li>Take directions from the Expert(s) as to the content of the HTML page's introductory text and markup. </li>
<li>Include a stable HTML fragment identifier for each registered attestation statement format or extension identifier. </li>
</ul>
<p> </p>
<p id="rfc.section.4.1.p.6">All registry data documents MUST include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions (<span><</span><a href="http://trustee.ietf.org/license-info">http://trustee.ietf.org/license-info</a><span>></span>). </p>
<h1 id="rfc.section.5">
<a href="#rfc.section.5">5.</a> <a href="#Security" id="Security">Security Considerations</a>
</h1>
<p id="rfc.section.5.p.1">See <a href="#WebAuthn" class="xref">[WebAuthn]</a> for relevant security considerations. </p>
<h1 id="rfc.section.6">
<a href="#rfc.section.6">6.</a> <a href="#Acknowledgements" id="Acknowledgements">Acknowledgements</a>
</h1>
<p id="rfc.section.6.p.1">Thanks to Mark Nottingham for valuable comments and suggestions. Thanks to Kathleen Moriarty and Benjamin Kaduk for their Area Director sponsorship of this specification. </p>
<h1 id="rfc.section.7">
<a href="#rfc.section.7">7.</a> <a href="#sctn-history" id="sctn-history">Document History</a>
</h1>
<p id="rfc.section.7.p.1">[[ to be removed by the RFC Editor before publication as an RFC ]]</p>
<p id="rfc.section.7.p.2">-01 </p>
<ul><li>Refresh now that the WebAuthn Committee Recommendation (CR) draft is pending. </li></ul>
<p> </p>
<p id="rfc.section.7.p.3">-00 </p>
<ul><li>Initial version. </li></ul>
<p> </p>
<h1 id="rfc.references">
<a href="#rfc.references">8.</a> Normative References</h1>
<table><tbody>
<tr>
<td class="reference"><b id="RFC2026">[RFC2026]</b></td>
<td class="top">
<a>Bradner, S.</a>, "<a href="https://tools.ietf.org/html/rfc2026">The Internet Standards Process -- Revision 3</a>", BCP 9, RFC 2026, DOI 10.17487/RFC2026, October 1996.</td>
</tr>
<tr>
<td class="reference"><b id="RFC5226">[RFC5226]</b></td>
<td class="top">
<a>Narten, T.</a> and <a>H. Alvestrand</a>, "<a href="https://tools.ietf.org/html/rfc5226">Guidelines for Writing an IANA Considerations Section in RFCs</a>", RFC 5226, DOI 10.17487/RFC5226, May 2008.</td>
</tr>
<tr>
<td class="reference"><b id="WebAuthn">[WebAuthn]</b></td>
<td class="top">
<a href="mailto:balfanz@google.com" title="Google">Balfanz, D.</a>, <a href="mailto:aczeskis@google.com" title="Google">Czeskis, A.</a>, <a href="mailto:Jeff.Hodges@paypal.com" title="PayPal">Hodges, J.</a>, <a href="mailto:jc@mozilla.com" title="Mozilla">Jones, J.</a>, <a href="mailto:mbj@microsoft.com" title="Microsoft">Jones, M.</a>, <a href="mailto:akshayku@microsoft.com" title="Microsoft">Kumar, A.</a>, <a href="mailto:huliao@microsoft.com" title="Microsoft">Liao, A.</a>, <a href="mailto:rolf@noknok.com" title="Nok Nok Labs">Lindemann, R.</a> and <a href="mailto:emil@yubico.com" title="Yubico">E. Lundberg</a>, "<a href="https://w3c.github.io/webauthn/">Web Authentication: An API for accessing Public Key Credentials</a>", Editors' Draft, World Wide Web Consortium (W3C) Recommendation-track, February 2018.</td>
</tr>
</tbody></table>
<h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
<div class="avoidbreak">
<address class="vcard">
<span class="vcardline">
<span class="fn">Jeff Hodges</span>
<span class="n hidden">
<span class="family-name">Hodges</span>
</span>
</span>
<span class="org vcardline">PayPal</span>
<span class="adr">
<span class="vcardline">2211 North First Street</span>
<span class="vcardline">
<span class="locality">San Jose</span>,
<span class="region">California</span>
<span class="code">95131</span>
</span>
<span class="country-name vcardline">US</span>
</span>
<span class="vcardline">EMail: <a href="mailto:Jeff.Hodges@PayPal.com">Jeff.Hodges@PayPal.com</a></span>
<span class="vcardline">URI: <a href="http://kingsmountain.com/people/Jeff.Hodges/">http://kingsmountain.com/people/Jeff.Hodges/</a></span>
</address>
</div><div class="avoidbreak">
<address class="vcard">
<span class="vcardline">
<span class="fn">Giridhar Mandyam</span>
<span class="n hidden">
<span class="family-name">Mandyam</span>
</span>
</span>
<span class="org vcardline">Qualcomm Technologies Inc.</span>
<span class="adr">
<span class="vcardline">5775 Morehouse Drive</span>
<span class="vcardline">
<span class="locality">San Diego</span>,
<span class="region">California</span>
<span class="code">92121</span>
</span>
<span class="country-name vcardline">USA</span>
</span>
<span class="vcardline">Phone: +1 858 651 7200</span>
<span class="vcardline">EMail: <a href="mailto:mandyam@qti.qualcomm.com">mandyam@qti.qualcomm.com</a></span>
</address>
</div><div class="avoidbreak">
<address class="vcard">
<span class="vcardline">
<span class="fn">Michael B. Jones</span>
<span class="n hidden">
<span class="family-name">Jones</span>
</span>
</span>
<span class="org vcardline">Microsoft</span>
<span class="adr">
<span class="vcardline">
<span class="locality"></span>
<span class="region"></span>
<span class="code"></span>
</span>
<span class="country-name vcardline"></span>
</span>
<span class="vcardline">EMail: <a href="mailto:mbj@microsoft.com">mbj@microsoft.com</a></span>
<span class="vcardline">URI: <a href="http://self-issued.info/">http://self-issued.info/</a></span>
</address>
</div>
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