[Resource Topic] 2022/1725: A note on SPHINCS+ parameter sets

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A note on SPHINCS+ parameter sets

Authors: Stefan Kölbl


In this note, we discuss using parameter sets for SPHINCS+ which support a smaller number of signatures than the 2^{64} target. This includes a larger search through the SPHINCS+ parameter space, comparing it with the current parameter sets and providing data on how the security degrades if one exceeds the limits.

ePrint: https://eprint.iacr.org/2022/1725

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