{"service":"z6-pqc-gateway","version":"2.3.0","description":"Z6 Post-Quantum Key Encapsulation Gateway — Audited Edition","topology":{"elements":64,"bits_per_element":3,"key_size_bytes":24,"field":"Z6 (mod 6) — CRT decomposed Z2 × Z3, mitigated via non-linear S-box seed ~6 bits per key (ephemeral)","geometry":"8x8 Discrete Grid · 4×4 Moat Zones · 3×3 Diffusion Layer"},"shield":{"status":"active","mode":"Moat Invariant Parity Gates","zones":4,"zero_divisor_filter":true,"cross_zone_parity":true,"lattice_invariant_matrix":"8x8 fixed-point (4-row periodic)","diffusion":"3×3 neighborhood sum (element mixing)","oracle_protection":"constant-time rejection path"},"security_audit":{"crt_mitigation":"non-linear S-box breaks Z2 × Z3 separability","effective_key_space":"64 zone-valid configurations per key (~6 bits, limited by 4-seed parity constraint)","note":"Keys are ephemeral (generated per request). Security is from moat validation + ephemerality, not key space size.","diffusion":"3×3 neighborhood convolution across 8×8 grid","sbox":"Z6 permutation [0,3,1,5,2,4] — non-affine, CRT-resistant","oracle_timing":"unified rejection path — constant-time","status":"DEMONSTRATION ONLY — not suitable for production cryptography"}}