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RFC 8636
Title: Public Key Cryptography for Initial
Authentication in Kerberos (PKINIT) Algorithm Agility
Author: L. Hornquist Astrand,
L. Zhu,
M. Cullen,
G. Hudson
Status: Standards Track
Stream: IETF
Date: July 2019
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 21
Characters: 43054
Updates: RFC 4556
I-D Tag: draft-ietf-kitten-pkinit-alg-agility-08.txt
URL: https://www.rfc-editor.org/info/rfc8636
DOI: 10.17487/RFC8636
This document updates the Public Key Cryptography for Initial
Authentication in Kerberos (PKINIT) standard (RFC 4556) to remove
protocol structures tied to specific cryptographic algorithms. The
PKINIT key derivation function is made negotiable, and the digest
algorithms for signing the pre-authentication data and the client's
X.509 certificates are made discoverable.
These changes provide preemptive protection against vulnerabilities
discovered in the future in any specific cryptographic algorithm and
allow incremental deployment of newer algorithms.
This document is a product of the Common Authentication Technology Next
Generation 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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