AI construit pentru era post-cuantică.

// Hybrid post-quantum authentication — Patent Pending
// ~200ms end-to-end on ARM mobile

use cai_auth::{ClassicalSig, PostQuantumSig, VerifyingKey};

pub struct HybridMessage {
    pub payload:        Vec<u8>,
    pub sig_classical:  ClassicalSig,
    pub sig_pq:         PostQuantumSig,
    pub timestamp:      u64,
    pub jti:            [u8; 16],          // RFC 9068 anti-replay
}

impl HybridMessage {
    pub fn verify(&self, pk: &VerifyingKey) -> bool {
        // Both signatures must verify — implementation details in patent filing
        pk.verify_hybrid(&self.payload, &self.sig_classical, &self.sig_pq).is_ok()
    }
}