Re: [Lake] I-D Action: draft-ietf-lake-edhoc-07.txt
Göran Selander <goran.selander@ericsson.com> Mon, 24 May 2021 13:14 UTC
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From: Göran Selander <goran.selander@ericsson.com>
To: "lake@ietf.org" <lake@ietf.org>
Thread-Topic: [Lake] I-D Action: draft-ietf-lake-edhoc-07.txt
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Date: Mon, 24 May 2021 13:14:02 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/lake/FLvtdX1yBIdr5jzE6EHJX_g3afQ>
Subject: Re: [Lake] I-D Action: draft-ietf-lake-edhoc-07.txt
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Hello all, We have uploaded -07 covering the latest concluded issues. Main changes from -06 to -07: * Changed transcript hash definition for TH_2 and TH_3 * Removed "EDHOC signature algorithm curve" from cipher suite * New IANA registry "EDHOC Exporter Label" * New application defined parameter "context" in EDHOC-Exporter * Changed normative language for failure from MUST to SHOULD send error * Made error codes non-negative and 0 for success * Added detail on success error code * Aligned terminology "protocol instance" -> "session" * New appendix on compact EC point representation * Added detail on use of ephemeral public keys * Moved key derivation for OSCORE to draft-ietf-core-oscore-edhoc * Additional security considerations * Renamed "Auxililary Data" as "External Authorization Data" * Added encrypted EAD_4 to message_4 We did not update the test vectors in -07. There are other PRs in progress to be discussed at the LAKE interim next week and those impact the message format so implementers may want to wait for -08 before updating the code. Göran On 2021-05-24, 15:08, "Lake on behalf of internet-drafts@ietf.org" <lake-bounces@ietf.org on behalf of internet-drafts@ietf.org> wrote: A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Lightweight Authenticated Key Exchange WG of the IETF. Title : Ephemeral Diffie-Hellman Over COSE (EDHOC) Authors : Göran Selander John Preuß Mattsson Francesca Palombini Filename : draft-ietf-lake-edhoc-07.txt Pages : 100 Date : 2021-05-24 Abstract: This document specifies Ephemeral Diffie-Hellman Over COSE (EDHOC), a very compact and lightweight authenticated Diffie-Hellman key exchange with ephemeral keys. EDHOC provides mutual authentication, perfect forward secrecy, and identity protection. EDHOC is intended for usage in constrained scenarios and a main use case is to establish an OSCORE security context. By reusing COSE for cryptography, CBOR for encoding, and CoAP for transport, the additional code size can be kept very low. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-lake-edhoc/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-ietf-lake-edhoc-07.html A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-lake-edhoc-07 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ -- Lake mailing list Lake@ietf.org https://www.ietf.org/mailman/listinfo/lake
- [Lake] I-D Action: draft-ietf-lake-edhoc-07.txt internet-drafts
- Re: [Lake] I-D Action: draft-ietf-lake-edhoc-07.t… Göran Selander