[tsvwg] [Fwd: I-D Action: draft-westerlund-tsvwg-dtls-over-sctp-bis-00.txt]
Magnus Westerlund <magnus.westerlund@ericsson.com> Fri, 15 January 2021 10:52 UTC
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From: Magnus Westerlund <magnus.westerlund@ericsson.com>
To: "tsvwg@ietf.org" <tsvwg@ietf.org>
Thread-Topic: [Fwd: I-D Action: draft-westerlund-tsvwg-dtls-over-sctp-bis-00.txt]
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Date: Fri, 15 Jan 2021 10:52:36 +0000
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Subject: [tsvwg] [Fwd: I-D Action: draft-westerlund-tsvwg-dtls-over-sctp-bis-00.txt]
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TSVWG, We have just submitted a draft that is intended to specify a replacement to RFC 6083 (DTLS over SCTP). The main reason for updating this RFC is that it contains a limiation that the SCTP user messages protected by DTLS was limited to 16383 bytes. It was realized in 3GPP that they have several signalling messages that could become larger than that. Thus, from us author's perspective addressing this issue at the root, i.e. in the IETF RFC that specifies DTLS protection of SCTP user messages is the best plase to solve this. 3GPP will discuss the general issue more in two weeks time at their meeting. However, this work should be completed during this 3GPP release which means at the earliest end of the year, but likely sometime in the first half of next year. When addressing the main issue of message sizes that are supported we are also addressing some additional issues including cipher requirements for the HMAC of the SCTP messages. So I hope there are some interest in supporting this work. Cheers Magnus Westerlund
--- Begin Message ---A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Datagram Transport Layer Security (DTLS) over Stream Control Transmission Protocol (SCTP) Authors : Magnus Westerlund John Preuß Mattsson Claudio Porfiri Michael Tuexen Filename : draft-westerlund-tsvwg-dtls-over-sctp-bis-00.txt Pages : 18 Date : 2021-01-15 Abstract: This document describes a proposed update for the usage of the Datagram Transport Layer Security (DTLS) protocol to protect user messages sent over the Stream Control Transmission Protocol (SCTP). DTLS over SCTP provides mutual authentication, confidentiality, integrity protection, and replay protection for applications that use SCTP as their transport protocol and allows client/server applications to communicate in a way that is designed to give communications privacy and to prevent eavesdropping and detect tampering or message forgery. Applications using DTLS over SCTP can use almost all transport features provided by SCTP and its extensions. This document intend to obsolete RFC 6083 and removes the 16 kB limitation on user message size by defining a secure user message fragmentation so that multiple DTLS records can be used to protect a single user message. It further updates the DTLS versions to use, as well as the HMAC algorithms for SCTP-AUTH, and simplifies the implementation by some stricter requirements on the establishment procedures. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-westerlund-tsvwg-dtls-over-sctp-bis/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-westerlund-tsvwg-dtls-over-sctp-bis-00.html Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt--- End Message ---
- [tsvwg] [Fwd: I-D Action: draft-westerlund-tsvwg-… Magnus Westerlund
- Re: [tsvwg] [Fwd: I-D Action: draft-westerlund-ts… Gorry Fairhurst
- Re: [tsvwg] [Fwd: I-D Action: draft-westerlund-ts… Magnus Westerlund