The Transport Layer Security (TLS) Protocol Version 1.3
draft-ietf-tls-tls13-18
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Active Internet-Draft (tls WG)
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2016-11-22
(latest revision 2016-10-25)
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draft-ietf-tls-rfc5246-bis
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Stream |
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IETF
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Intended RFC status |
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Proposed Standard
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plain text
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WG state
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In WG Last Call
Feb 2017
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Document shepherd |
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No shepherd assigned
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IESG state |
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I-D Exists
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Consensus Boilerplate |
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Yes
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(None)
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(None)
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Network Working Group E. Rescorla
Internet-Draft RTFM, Inc.
Obsoletes: 5077, 5246, 5746 (if October 26, 2016
approved)
Updates: 4492, 5705, 6066, 6961 (if
approved)
Intended status: Standards Track
Expires: April 29, 2017
The Transport Layer Security (TLS) Protocol Version 1.3
draft-ietf-tls-tls13-18
Abstract
This document specifies version 1.3 of the Transport Layer Security
(TLS) protocol. TLS allows client/server applications to communicate
over the Internet in a way that is designed to prevent eavesdropping,
tampering, and message forgery.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on April 29, 2017.
Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
Rescorla Expires April 29, 2017 [Page 1]
Internet-Draft TLS October 2016
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
This document may contain material from IETF Documents or IETF
Contributions published or made publicly available before November
10, 2008. The person(s) controlling the copyright in some of this
material may not have granted the IETF Trust the right to allow
modifications of such material outside the IETF Standards Process.
Without obtaining an adequate license from the person(s) controlling
the copyright in such materials, this document may not be modified
outside the IETF Standards Process, and derivative works of it may
not be created outside the IETF Standards Process, except to format
it for publication as an RFC or to translate it into languages other
than English.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Conventions and Terminology . . . . . . . . . . . . . . . 5
1.2. Major Differences from TLS 1.2 . . . . . . . . . . . . . 6
1.3. Updates Affecting TLS 1.2 . . . . . . . . . . . . . . . . 12
2. Protocol Overview . . . . . . . . . . . . . . . . . . . . . . 13
2.1. Incorrect DHE Share . . . . . . . . . . . . . . . . . . . 16
2.2. Resumption and Pre-Shared Key (PSK) . . . . . . . . . . . 17
2.3. Zero-RTT Data . . . . . . . . . . . . . . . . . . . . . . 19
3. Presentation Language . . . . . . . . . . . . . . . . . . . . 21
3.1. Basic Block Size . . . . . . . . . . . . . . . . . . . . 21
3.2. Miscellaneous . . . . . . . . . . . . . . . . . . . . . . 21
3.3. Vectors . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.4. Numbers . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.5. Enumerateds . . . . . . . . . . . . . . . . . . . . . . . 23
3.6. Constructed Types . . . . . . . . . . . . . . . . . . . . 24
3.7. Constants . . . . . . . . . . . . . . . . . . . . . . . . 24
3.8. Variants . . . . . . . . . . . . . . . . . . . . . . . . 24
3.9. Decoding Errors . . . . . . . . . . . . . . . . . . . . . 26
4. Handshake Protocol . . . . . . . . . . . . . . . . . . . . . 26
4.1. Key Exchange Messages . . . . . . . . . . . . . . . . . . 27
4.1.1. Cryptographic Negotiation . . . . . . . . . . . . . . 28
4.1.2. Client Hello . . . . . . . . . . . . . . . . . . . . 29
4.1.3. Server Hello . . . . . . . . . . . . . . . . . . . . 31
4.1.4. Hello Retry Request . . . . . . . . . . . . . . . . . 33
4.2. Extensions . . . . . . . . . . . . . . . . . . . . . . . 34
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