Cryptography & Post-Quantum› Beyond Lattices›HQC and BIKE: Quasi-Cyclic Codes, the Backup-KEM Decision, and Decoding-Failure Trade-offs

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Beyond Lattices

1Why Assumption Diversity Matters: The Systemic Risk of a Single-Family BreakResearch
2Code-Based Cryptography: Classic McEliece, Syndrome Decoding, and a Sixty-Year Track RecordResearch
3HQC and BIKE: Quasi-Cyclic Codes, the Backup-KEM Decision, and Decoding-Failure Trade-offsResearch
4Multivariate Cryptography: The MQ Problem, Why Rainbow Fell, and What Still StandsResearch
5When to Reach for a Non-Lattice Scheme: A Decision Framework over Size, Maturity, and RiskResearch

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HQC and BIKE: Quasi-Cyclic Codes, the Backup-KEM Decision, and Decoding-Failure Trade-offs

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