Post-Quantum Pretty Good Privacy (PQ-PGP)
The mandatory and recommended combinations defined in RFC 9980 are: ➤ MUST: ML-KEM-768 + X25519 (Algorithm ID 35) — NIST Level 3, equivalent to AES-192. ➤ SHOULD: ML-KEM-1024 + X448 (Algorithm ID 36) — NIST Level 5, equivalent to AES-256, for ultra-sensitive long-term data. ➤ MUST: ML-DSA-65 + Ed25519 (Algorithm ID 30) — NIST Level 3. ➤ SHOULD: ML-DSA-87 + Ed448 (Algorithm…