Your processor leaks information — and there's nothing you can do about it
arXiv: Cryptography and Security, 2017.
Timing channels are information flows, encoded in the relative timing of events, that bypass the systemu0027s protection mechanisms. Any microarchitectural state that depends on execution history and affects the rate of progress of later executions potentially establishes a timing channel, unless explicit steps are taken to close it. Such...More
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