Adapting AUTOSAR SecOC for Post-Quantum Symmetric Key Verification on CAN FD

Structuring freshness values, MAC truncation, and payload padding within 64-byte frame limits.

Algorithmic Architecture & Mathematical Foundations

The SecOC with Post-Quantum MACs architecture is engineered to provide cryptographically provable security based on worst-case lattice hardness. By replacing vulnerable discrete logarithm and factorization primitives with high-dimensional Euclidean lattice vectors, the system guarantees long-term confidentiality against cryptanalytically relevant quantum computers.

Production Deployment & Operational Considerations

Deploying SecOC with Post-Quantum MACs requires careful balancing of public key size overhead, network MTU fragmentation limits, and memory cache footprint. Through hardware coprocessor offload and vectorized assembly pipelines, production systems achieve near-zero performance degradation compared to legacy classical ciphers.

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