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Claude AI resolves 25-year NIST cryptographic seed mystery

Anthropic has announced that its Claude AI model successfully reconstructed the origins of five NIST elliptic curve seeds in under 30 minutes, resolving a 25-year cryptographic mystery. The seeds, used in the Elliptic Curve Digital Signature Algorithm (ECDSA) for curves P-192, P-224, P-256, P-384, and P-521, were originally provided by the National Security Agency (NSA) without an explanation of their provenance.

For decades, the lack of transparency regarding these seeds fueled speculation that the NSA might have intentionally selected curves with hidden mathematical weaknesses or backdoors. However, Claude's analysis revealed that the seeds were generated using the lrand48 pseudo-random number generator from an older C library, initialized with Unix timestamps between May 1997 and April 1998.

The discovery suggests that the parameters were the result of a mundane computational process rather than a malicious attempt to compromise security. Anthropic noted that the finding does not expose any existing security vulnerabilities or require users to take action. To mark the achievement, Anthropic is donating a bounty of approximately $36,864 to the Internet Security Research Group (ISRG).

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Anthropic · Claude · Internet Security Research Group · National Institute of Standards and Technology · National Security Agency

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