v0.1.0

Initial release.

  • Security context derivation (RFC 8613 §3.2), AES-CCM-16-64-128 / HKDF-SHA-256.
  • Request/response message protection and verification (§5, §6, §8).
  • Sequence number and replay window handling (§7.4, Appendix B.1).
  • Correctness pinned to RFC 8613 Appendix C test vectors.