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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
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