Messages in this thread | | | From | (Marc Lehmann) | Subject | Re: x86 MSRs - example program | Date | Mon, 3 Mar 1997 21:15:51 +0100 (MET) |
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>> >> ON the other hand... security hole????? how???????? >> >Cryptography. If you know exactly how long a given algorithm takes for >different inputs, you can sometimes infer clues about the secret key.
gettimeofyday is always available, and in that scenario is just as good as rdtsc.
-----==- ----==-- _ ---==---(_)__ __ ____ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / mlehmann@hildesheim.sgh-net.de -=====/_/_//_/\_,_/ /_/\_\ pcg@goof.com The choice of a GNU generation
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