Nov. 17, 2023, 1:54 a.m. |

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ePrint Report: The Impact of Hash Primitives and Communication Overhead for Hardware-Accelerated SPHINCS+

Patrick Karl, Jonas Schupp, Georg Sigl


SPHINCS+ is a signature scheme included in the first NIST post-quantum standard, that bases its security on the underlying hash primitive. As most of the runtime of SPHINCS+ is caused by the evaluation of several hash- and pseudo-random functions, instantiated via the hash primitive, offloading this computation to dedicated hardware accelerators is a natural step. In this work, we evaluate different …

communication eprint report hardware hash impact nist post-quantum quantum report runtime security signature standard

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