Martine S. Lenders, Christian Amsüss, Thomas C. Schmidt, Matthias Wählisch,
Discovery of Network-designated OSCORE-based Resolvers: Problem Statement,
individual, IETF Internet Draft -- work in progress, No. 03, July 2024.
Abstract: This document states problems when designing DNS SVCB records to discover endpoints that communicate over Object Security for Constrained RESTful Environments (OSCORE) [RFC8613]. As a consequence of learning about OSCORE, this discovery will allow a host to learn both CoAP servers and DNS over CoAP resolvers that use OSCORE to encrypt messages and Ephemeral Diffie-Hellman Over COSE (EDHOC) [RFC9528] for key exchange. Challenges arise because SVCB records are not meant to be used to exchange security contexts, which is required in OSCORE scenarios.
Topics: Internet of Things
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