ECDSA

1 article tagged with ECDSA

October 17, 2026
researchAnthropic

Claude traces NSA-supplied NIST curve seeds to lrand48 generator in under 30 minutes, per Anthropic

According to Anthropic, Claude worked out in under 30 minutes how the NSA generated the seeds behind several NIST-standardized elliptic curves. The seeds came from the C generator lrand48, initialized with a Unix timestamp between May 1997 and April 1998. Anthropic is donating the $36,864 bounty to the Internet Security Research Group.