AlgoVoi RFC 9421 A2A Adapter
Copyright 2026 Christopher Hopley / AlgoVoi (chopmob-cloud)

This product includes software authored by Christopher Hopley (AlgoVoi),
licensed under the Apache License, Version 2.0.

It binds the AlgoVoi RFC 9421 signer, verifier, and keyid resolver to the A2A
per-message signing extension. It composes with, and does not replace, A2A
AgentCard signing (spec 8.4). Companion to the algovoi-rfc9421-verifier,
algovoi-rfc9421-signer, and algovoi-rfc9421-keyid packages.

When redistributing this work or derivative works, retain this NOTICE per
Apache License, Version 2.0, Section 4(d).
