A new Request for Comments is now available in online RFC libraries.
RFC 9155
Title: Deprecating MD5 and SHA-1 Signature Hashes
in TLS 1.2 and DTLS 1.2
Author: L. Velvindron,
K. Moriarty,
A. Ghedini
Status: Standards Track
Stream: IETF
Date: December 2021
Mailbox: lo...@cyberstorm.mu,
kathleen.moriarty.i...@gmail.com,
alessan...@cloudflare.com
Pages: 5
Updates: RFC 5246
I-D Tag: draft-ietf-tls-md5-sha1-deprecate-09.txt
URL: https://www.rfc-editor.org/info/rfc9155
DOI: 10.17487/RFC9155
The MD5 and SHA-1 hashing algorithms are increasingly vulnerable to
attack, and this document deprecates their use in TLS 1.2 and DTLS
1.2 digital signatures. However, this document does not deprecate
SHA-1 with Hashed Message Authentication Code (HMAC), as used in
record protection. This document updates RFC 5246.
This document is a product of the Transport Layer 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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