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Paper 2012/156
Fast Embedded Software Hashing
Dag Arne Osvik
Abstract
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.
Metadata
- Available format(s)
- Category
- Implementation
- Publication info
- Published elsewhere. Submitted to CHES 2012
- Keywords
- implementationhash functionssha-3avr
- Contact author(s)
- dag arne @ osvik no
- History
- 2012-03-23: received
- Short URL
- https://ia.cr/2012/156
- License
-
CC BY