Side Channel Attacks Database
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Elimination of Side Channel attacks on a Precision Timed Architecture |
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Isaac Liu, David McGrogan, |
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TECHNICAL REPORT 2009 |
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| Abstract: |
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Side-channel attacks exploit information-leaky implementations of cryptographic algorithms to find the encryption key. These information leaks are caused by the underlying execution platform which contains hardware elements designed to optimize performance at the expense of predictable execution time. This shows that for security systems, not only does the software need to be secure, but the execution platform also needs to be secure in order for the entire system to be truly secure. PRET is an architecture designed for real time systems that has total predictability without sacrificing performance. It contains ISA extensions to bring total control over a programs temporal properties to the software level. We show that this design can not only defend against all software side channel attacks on encryption algorithms, but completely eliminate the root cause of the problem. We demonstrate this by running a reference implementation of the RSA algorithm on PRET and proving its immunity to side channel attacks.
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| Paper Available At: |
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http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-15.html |
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