Security· ★★★· neutral·

Claude solves 25-year-old NSA cryptography mystery in under half an hour

  • —Claude reproduced the NSA's numbers for five cryptographic methods in under 30 minutes
  • —The numbers trace back to the old lrand48 function seeded with the system clock
  • —The theory of a deliberate NSA backdoor is now less likely but not fully ruled out
  • —A $36,864 bounty was awarded and donated to the Internet Security Research Group
Why it matters: It suggests the NSA standards contained no deliberate backdoor and highlights AI's growing role in cryptanalysis.
Source: Crypto Insiders
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