1992 | OriginalPaper | Buchkapitel
Exploiting Parallelism in Hardware Implementation of the DES
verfasst von : Albert G. Broscius, Jonathan M. Smith
Erschienen in: Advances in Cryptology — CRYPTO ’91
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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The Data Encryption Standard algorithm has features which may be used to advantage in parallelizing an implementation. The kernel of the algorithm, a single round, may be decomposed into several parallel computations resulting in a structure with minimal delay. These rounds may also be computed in a pipelined parallel structure for operations modes which do not require cryptext feedback. Finally, system I/O may be performed in parallel with the encryption computation for further gain. Although several of these ideas have been discussed before separately, the composite presentation is novel.