message: Add AES-CMAC to C++ MAC implementations list.
diff: @@ -49,7 +49,7 @@ In development: JavaScript and Python.
  | AEAD | AES-GCM, AES-CTR-HMAC, AES-EAX, KMS Envelope, XCHACHA20-POLY1305 |
  | Streaming AEAD | AES-GCM-HKDF-STREAMING, AES-CTR-HMAC-STREAMING |
  | Deterministic AEAD | AES-SIV |
  -| MAC | HMAC-SHA2 |
  +| MAC | HMAC-SHA2, AES-CMAC |
  | Digital Signatures | ECDSA over NIST curves, Ed25519, RSA-SSA-PKCS1, RSA-SSA-PSS |
  | Hybrid Encryption | ECIES with AEAD and HKDF |
  