AEAD: - [x] AES-128-GCM - [x] [AES-256-GCM](https://github.com/pyca/cryptography/pull/14397) - [x] [ChaCha20Poly1305](https://github.com/pyca/cryptography/pull/14393) KDF: - [x] HKDF-SHA256 - [ ] HKDF-SHA384 - [x] [HKDF-SHA512](https://github.com/pyca/cryptography/pull/14395) - [ ] SHAKE-128 - [ ] SHAKE-256 KEM: - [ ] [P-256](https://github.com/pyca/cryptography/pull/14398) - [ ] P-384 - [ ] P-512 - [ ] ML-KEM (requires #12824)