The Strange Tale of Dual_EC_DRBG

Julian Assange being arrested recently brought back memories of how he leaked Edward Snowden’s memos around the possible existence of an NSA-sourced cryptographic backdoor — the Dual EC standard (Dual_EC_DRBG). So let’s dive into the method and the trap door, and see the “magic” behind it.

With Elliptic Curve methods, we take an elliptic curve (y²=x³+ax+b), and then use a base point (G). Next we generate a…




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Prof Bill Buchanan OBE

Prof Bill Buchanan OBE

Professor Cryptography. Serial innovator. Believer in fairness, justice & freedom. EU Citizen in heart. Living by the sea. Old World Breaker. New World Creator.

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