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Public Key Pinning Extension for HTTP (RFC7469)

IP.com Disclosure Number: IPCOM000241343D
Original Publication Date: 2015-Apr-01
Included in the Prior Art Database: 2015-Apr-18
Document File: 56 page(s) / 62K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Evans: AUTHOR [+3]


This document defines a new HTTP header that enables UAs to determine which Subject Public Key Info (SPKI) structures will be present in a web host's certificate chain in future Transport Layer Security (TLS) [RFC5246] connections.

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Internet Engineering Task Force (IETF)                          C. Evans Request for Comments: 7469                                     C. Palmer Category: Standards Track                                      R. Sleevi ISSN: 2070-1721                                             Google, Inc.                                                               April 2015

                  Public Key Pinning Extension for HTTP


   This document defines a new HTTP header that allows web host    operators to instruct user agents to remember ("pin") the hosts'    cryptographic identities over a period of time.  During that time,    user agents (UAs) will require that the host presents a certificate    chain including at least one Subject Public Key Info structure whose    fingerprint matches one of the pinned fingerprints for that host.  By    effectively reducing the number of trusted authorities who can    authenticate the domain during the lifetime of the pin, pinning may    reduce the incidence of man-in-the-middle attacks due to compromised    Certification Authorities.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7469.

 Evans, et al.                Standards Track                    [Page 1]
 RFC 7469          Public Key Pinning Extension for HTTP       April 2015

 Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://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.

Evans, et al.                Standards Track                    [Page 2]
 RFC 7469    ...