Post-quantum KEMs
ML-KEM-style key encapsulation appears in the hybrid workflow and benchmark surface as a practical post-quantum family to inspect.
Algorithm families
Schemes
Keystone references classical, post-quantum, hybrid, and quantum-analysis families so research users can study tradeoffs across cryptographic contexts.
Post-quantum signatures
ML-DSA-style signatures provide a research path for studying authenticity alongside key establishment and encryption.
Classical baselines
OpenSSL-backed classical operations can provide familiar comparison points when their context and limitations are recorded with each run.
Authenticated encryption
AES-GCM is used in the hybrid demonstration as the symmetric encryption layer after post-quantum key encapsulation.
Quantum algorithms
Shor and Grover demonstrations support resource estimation and backend inspection, helping explain quantum pressure on cryptographic assumptions.
Adapter-backed coverage
liboqs and OpenSSL integrations are implementation paths for research measurement, with coverage constrained by the libraries and parameters actually wired.