RFC 7469 on Public Key Pinning Extension for HTTP

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        RFC 7469

        Title:      Public Key Pinning Extension for HTTP 
        Author:     C. Evans, C. Palmer, R. Sleevi
        Status:     Standards Track
        Stream:     IETF
        Date:       April 2015
        Mailbox:    cevans@google.com, 
                    palmer@google.com, 
                    sleevi@google.com
        Pages:      28
        Characters: 61619
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-websec-key-pinning-21.txt

        URL:        https://www.rfc-editor.org/info/rfc7469

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.

This document is a product of the Web Security Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
memo is unlimited.

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