ling-crypto 2030.1.6

Post-quantum and classical cryptography for Ling — real ML-KEM-768 (FIPS 203), X25519+ML-KEM hybrid KEM, AES-GCM, XChaCha20, Blake3, SHA3, Argon2id, Shamir over GF(2^8), Ristretto Schnorr ZKP, VRF