Post-Quantum’s Classic McEliece Achieves Global ISO Standardization - Quantum Computing Report

The International Organization for Standardization (ISO) has officially integrated the Classic McEliece algorithm into its asymmetric cipher standard (ISO/IEC 18033-2). Pioneered by UK-based cybersecurity firm Post-Quantum alongside an international team of cryptographers, the code-based cryptographic protocol is the first post-quantum cryptography (PQC) algorithm to secure global standardization under this specification. This milestone allows organizations across ISO’s 177 member states to adopt an internationally recognized, interoperable framework to defend against “Harvest Now, Decrypt Later” data theft. Unlike lattice-based PQC alternatives (such as CRYSTALS-Kyber), Classic McEliece relies on the mathematical complexity of decoding general linear codes—a framework that has resisted intense cryptanalysis since [...]

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