A Comprehensive Analysis of Performance and Side-Channel-Leakage of AES SBOX Implementations in Embedded Software

The Advanced Encryption Standard is used in almost every new embedded application that needs a symmetric-key cipher. In such embedded applications, high-performance as well as resistance against implementation attacks is mandatory. In this paper, the authors compare and contrast three different software implementations of AES. The first two are based on cryptographic lookup tables, while the third uses bit-slicing. They analyze the performance and side-channel resistance of each implementation on two different FPGA platforms, one based on a PowerPC processor, and the second based on a LEON-3 soft-core processor.

Provided by: Association for Computing Machinery Topic: Data Centers Date Added: Oct 2010 Format: PDF

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