Skip to content
Research

Anthropics' Claude cracks a 25-year-old NSA cryptography mystery in under 30 minutes.

The DecoderIndependent reporting·
AI brief

Anthropic's Claude solved a 25-year-old cryptography puzzle involving the unexplained seeds behind NIST's standard curves for digital signatures, which were provided by the NSA.

Written by AI from The Decoder's published text.

Background

From our own funding, model and news trackers, not from the source.

Source

“Anthropic's AI model Claude has solved a 25-year-old cryptography puzzle. The mysterious seeds behind NIST's standard curves for digital signatures were provided by the NSA without explanation, raising long-standing suspicion about built-in backdoors.”
The Decoder, 17 Oct 2026, 14:42.

Reporting from a publisher outside the organisation being covered.

Read original story ↗