%% You should probably cite draft-ietf-core-oscore-groupcomm-21 instead of this revision. @techreport{ietf-core-oscore-groupcomm-09, number = {draft-ietf-core-oscore-groupcomm-09}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-core-oscore-groupcomm/09/}, author = {Marco Tiloca and Göran Selander and Francesca Palombini and Jiye Park}, title = {{Group OSCORE - Secure Group Communication for CoAP}}, pagetotal = 70, year = 2020, month = jun, day = 23, abstract = {This document defines Group Object Security for Constrained RESTful Environments (Group OSCORE), providing end-to-end security of CoAP messages exchanged between members of a group, e.g. sent over IP multicast. In particular, the described approach defines how OSCORE is used in a group communication setting to provide source authentication for CoAP group requests, sent by a client to multiple servers, and for protection of the corresponding CoAP responses.}, }