Micro embedded monitoring for security in application specific instruction-set processors
Proceedings of the 2005 international conference on Compilers, architectures and synthesis for embedded systems
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Future embedded and wireless devices will be increasingly powerful supporting many applications including one of the most crucial, security. Although many wireless and embedded devices offer more resistance to bus probing attacks due to their compact size, susceptibility to power/electromagnetic attacks must be analyzed. This paper presents optimized synthesis of new low energy masking countermeasures into cryptographic software. In particular a model for key masking with the objective of minimizing energy overhead is presented. Experimental results using real power measurements are shown to support up to 2.5 energy overhead savings and improved security compared to previous research. With the emergence of security applications in PDAs, cell phones, line card accelerators, etc, optimizing low energy countermeasures for resistance to power/ electromagnetic attacks is crucial for supporting future secure embedded devices.