A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Lightweight Establishment of Secure Session (LESS) on CoAP
Authors : Abhijan Bhattacharyya
Soma Bandyopadhyay
Arijit Ukil
Tulika Bose
Arpan Pal
Filename : draft-bhattacharyya-dice-less-on-coap-00.txt
Pages : 15
Date : 2015-04-17
Abstract:
This draft presents an experimental work proposing a lightweight
secure session establishment scheme to mutually authenticate two
endpoints and share the session key. It works on symmetric
cryptosystem with pre-shared secret between the endpoints during
provisioning. The main algorithm is proposed as a generic concept.
This draft further describes how the generic concept can be modeled
as simple CoAP request/response pairs. Thus the proposed scheme
enables CoAP with inherent security which might be useful for object
security without requiring any secure transport. Still further, this
draft demonstrates how the scheme could be integrated with the
record encryption mechanism of DTLS-PSK. It reuses the DTLS session
parameter structure without any modification. Thus channel security
for the whole application message can be provided. So the scheme is
a cross-layer mechanism such that the session establishment is
performed in CoAP and channel encryption is performed in the
transport layer reusing only the record encryption mechanism of
DTLS-PSK. The scheme uses all standard encryption libraries. The
lightweight nature and performance improvement is demonstrated with
some supporting comparative results.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-bhattacharyya-dice-less-on-coap/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-bhattacharyya-dice-less-on-coap-00
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/
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