Marco Tiloca, Rikard Hoeglund, 2022-07-11, Object Security for Constrained RESTful Environments (OSCORE) can be used to defend CoAP messages conclude-to-close in between two endpoints at the application layer, also in the existence of intermediaries this kind of as proxies. Also, it defines how to protected a CoAP information by applying numerous, nested OSCORE protections, e.g.