Marco Tiloca, Rikard Hoeglund, 2022-07-11, Object Security for Constrained RESTful Environments (OSCORE) can be utilized to safeguard CoAP messages stop-to-finish in between two endpoints at the software layer, also in the presence of intermediaries this sort of as proxies. Also, it defines how to safe a CoAP message by making use of multiple, nested OSCORE protections, e.g.