Every story we've covered involving rsa-attack.
Researchers from UC San Diego and France's INRIA demonstrated a method to forge RSA signatures generated by a hardware security module (HSM) for a 1,024-bit key without extracting the private key. The attack required about 2^32 signing queries (roughly four billion) and an estimated 1,380 CPU core-years, and the team detailed their paper in an IACR Cryptology ePrint Archive submission on September 20.
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