draft-ietf-tls-certificate-compression-09.txt   draft-ietf-tls-certificate-compression-10.txt 
TLS A. Ghedini TLS A. Ghedini
Internet-Draft Cloudflare, Inc. Internet-Draft Cloudflare, Inc.
Intended status: Standards Track V. Vasiliev Intended status: Standards Track V. Vasiliev
Expires: June 25, 2020 Google Expires: July 9, 2020 Google
December 23, 2019 January 06, 2020
TLS Certificate Compression TLS Certificate Compression
draft-ietf-tls-certificate-compression-09 draft-ietf-tls-certificate-compression-10
Abstract Abstract
In TLS handshakes, certificate chains often take up the majority of In TLS handshakes, certificate chains often take up the majority of
the bytes transmitted. the bytes transmitted.
This document describes how certificate chains can be compressed to This document describes how certificate chains can be compressed to
reduce the amount of data transmitted and avoid some round trips. reduce the amount of data transmitted and avoid some round trips.
Status of This Memo Status of This Memo
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on June 25, 2020. This Internet-Draft will expire on July 9, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
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to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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7.1. Update of the TLS ExtensionType Registry 7.1. Update of the TLS ExtensionType Registry
Create an entry, compress_certificate(27), in the existing registry Create an entry, compress_certificate(27), in the existing registry
for ExtensionType (defined in [RFC8446]), with "TLS 1.3" column for ExtensionType (defined in [RFC8446]), with "TLS 1.3" column
values being set to "CH, CR", and "Recommended" column being set to values being set to "CH, CR", and "Recommended" column being set to
"Yes". "Yes".
7.2. Update of the TLS HandshakeType Registry 7.2. Update of the TLS HandshakeType Registry
Create an entry, compressed_certificate(25), in the existing registry Create an entry, compressed_certificate(25), in the existing registry
for HandshakeType (defined in [RFC8446]). for HandshakeType (defined in [RFC8446]), with "DTLS-OK" column value
being set to "Yes".
7.3. Registry for Compression Algorithms 7.3. Registry for Compression Algorithms
This document establishes a registry of compression algorithms This document establishes a registry of compression algorithms
supported for compressing the Certificate message, titled supported for compressing the Certificate message, titled
"Certificate Compression Algorithm IDs", under the existing "Certificate Compression Algorithm IDs", under the existing
"Transport Layer Security (TLS) Extensions" heading. "Transport Layer Security (TLS) Extensions" heading.
The entries in the registry are: The entries in the registry are:
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