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There's a new way to break RSA that's faster than anything we've seen before
Post Reply RetroFed Forum Forum Index » Cybersecurity
AuthorMessage
schnurrito discuss.tchncs.de schnurrito@discuss.tchncs.de
Joined: 2023-06-24
Quote

Link: https://arstechnica.com/security/2026/09/theres-a-new-way-to-break-rsa-thats-faster-than-anything-weve-seen-before/
5   Original
Telorand reddthat.com Telorand@reddthat.com
Joined: 2023-07-09
#2 · Quote Reply

“If this result holds up under peer review, it would indeed be a conceptual break-through,” Karsten Nohl, a cryptography expert and the head of innovation at Allurity, said in an interview.

Emphasis mine. It's also only problematic for blind-signature types.

The attack works only against blind-signature implementations of RSA. The overwhelming majority of RSA in use today provides PKCS or PSS padding, a format that adds data to the plaintext before it’s encrypted.

So even if it passes peer review, it's only an issue for older implementations.
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