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Bleeping Computer
A new side-channel attack known as Hertzbleed allows remote attackers to steal full cryptographic keys by observing variations in CPU frequency enabled by dynamic voltage and frequency scaling (DVFS). [...]
The Hacker News
A group of academics from Tel Aviv University have disclosed details of now-patched "severe" design flaws in Android-based Samsung smartphones that could have resulted in the extraction of secret cryptographic keys. The shortcomings are the result of an analysis of the cryptographic design and implementation of Android's hardware-backed Keystore in Samsung's Galaxy S8, S9, S10, S20, and S21
The Register
Academics found TrustZone-level code could not be trusted to keep secrets Academics at Tel Aviv University in Israel have found that recent Android-based Samsung phones shipped with design flaws that allow the extraction of secret cryptographic keys.…