[Cryptography] Those Pxxx seeds? Came from lrand48

[Salz, Rich]

[ Just drop this if you’ve already approved someone else’s ]

Anthropic engineers using Claude figured out where the seeds for the “NIST Curves” came from.  Full article at https://www.anthropic.com/research/ecdsa-curve-origins (public domain, nicely)

Turns out it was lrand48 seeded with a then-current timestamp.
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