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Multi-mode Operator for SHA-2 Hash Functions

Abstract : We propose an improved implementation of the SHA-2 hash family to include a multi-mode of operation with minimal latency and hardware requirements over the entire operator. The multi-mode architecture presented is able to perform either a SHA-384 or SHA-512 hash or to behave as two independent SHA-224 or SHA-256 operators. We also demonstrate that our architecture achieves performance comparable to separate implementations while requiring much less hardware. This could be useful for a server running multiple streams or in parallel PRNG generation.
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Contributor : Arnaud TISSERAND Connect in order to contact the contributor
Submitted on : Saturday, January 20, 2007 - 12:37:56 PM
Last modification on : Friday, September 30, 2022 - 4:13:57 AM
Long-term archiving on: : Friday, September 21, 2012 - 10:20:51 AM


  • HAL Id : lirmm-00125521, version 1


Ryan Glabb, Laurent Imbert, Graham A. Jullien, Arnaud Tisserand, Nicolas Veyrat-Charvillon. Multi-mode Operator for SHA-2 Hash Functions. ERSA: Engineering of Reconfigurable Systems and Algorithms, Jun 2006, Las Vegas, NV, United States. pp.207-210. ⟨lirmm-00125521⟩



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