<p>You also might want to look at OSCORE, and the recently open sourced c_OSCORE embedded implementation [1,2]. From an application perspective it would be nice if there was some commonality with a DTLS based approach, but I don't know if that is feasible.</p>
<p>[1] <a href="https://datatracker.ietf.org/doc/draft-ietf-core-object-security/" rel="nofollow">https://datatracker.ietf.org/doc/draft-ietf-core-object-security/</a><br>
[2] <a href="https://mailarchive.ietf.org/arch/msg/core/PYheXvjx0vNZ3wPhB8-NaJ2Es8M" rel="nofollow">https://mailarchive.ietf.org/arch/msg/core/PYheXvjx0vNZ3wPhB8-NaJ2Es8M</a></p>

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