AI Matters
Why it matters
Claude solves a 25-year-old puzzle about NSA-supplied encryption numbers
The Decoder Anthropics' Claude cracks a 25-year-old NSA cryptography mystery in under 30 minutes
Anthropic's Claude worked out in under 30 minutes where the NSA-provided seeds behind NIST's standard signature curves came from, a question open for 25 years.
Why it matters
It addresses long-running doubts about whether widely used digital signature standards hide a secret weakness, and shows what AI can now do in research.
Latest brief · Oct 19, 2026