RSA, Other Crypto Systems Vulnerable to Side-Channel Attack

Cliff Saran, *Computer Weekly*, 3 Oct 2023, via ACM TechNews, 4 Oct 2023

Hubert Kario at open source solutions provider Red Hat found a flaw
dating from 1998 that enables a "padding mode" side-channel attack
targeting RSA encryption. The exploit cracks the Transport Layer
Security (TLS) protocol's confidentiality when used with RSA
encryption, and researchers in 2019 highlighted the continued
vulnerability of many Internet servers to tweaks of the original
attack. Kario said attackers can leverage the flaw to decrypt …

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