[Resource Topic] 2012/156: Fast Embedded Software Hashing

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Fast Embedded Software Hashing

Authors: Dag Arne Osvik


We present new software speed records for several popular hash functions on low-end 8-bit AVR microcontrollers. Target algorithms include widely deployed hash functions like SHA-1 and SHA-256 as well as the SHA-3 (second round) candidates Blake-32 and Skein-256. A significant aspect of our implementations is that they reduce the overall resource requirements, improving not only execution time but also RAM footprint and sometimes ROM/Flash memory footprint at the same time, providing the best memory/performance trade-os reported so far. We believe that our results will shed new light on the ongoing SHA-3 competition, and be helpful for the next stage of the competition.

ePrint: https://eprint.iacr.org/2012/156

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