Dev.to
7/17/2026

ISO Standardizes Classic McEliece for Post-Quantum Security
Short summary
ISO has integrated the Classic McEliece code-based cryptographic algorithm into the ISO-IEC 18033-2 standard, providing a post-quantum security framework against future quantum computer attacks. The algorithm uses error-correcting codes rather than prime factorization, making it resistant to Shor's algorithm. Recent field tests including airborne drone deployment by STV Group demonstrate practical viability despite large key size concerns.
- •ISO added Classic McEliece to ISO-IEC 18033-2 standard for post-quantum asymmetric encryption
- •Algorithm uses error-correcting codes, resistant to quantum attacks that threaten current encryption
- •Field tests including drone deployment by STV Group prove practical viability despite large key sizes
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