DeepMind says its AI agents ran a four-day cryptography test with about 20 human messages

Google DeepMind says two AI agents reproduced a known 1024-bit cryptography computation over nearly four days with about 20 human messages, mostly approvals, carrying the research through coding, large-scale execution and debugging. The test concerns RSA digital signatures. After billions of advance queries to a simulated signing service, the agents computed a mathematical root needed for a new signature once access ended. They did not recover a private key. The working paper reports 391 CPU core-years for the completed computation, compared with an earlier team's rounded 1,380 on the same instance and algorithm. That is about a 3.5-fold reduction in measured CPU use. GPU work and preliminary probes are excluded. DeepMind researcher @pushmeet announced the work on Nov. 6 , describing a sandboxed reproduction of a previously solved benchmark instance.

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