Welcome to the resource topic for 2024/018
Title:
Smaller Sphincs+
Authors: Scott Fluhrer, Quynh Dang
Abstract:NIST has released the draft specification of SLH-DSA (also known as Sphincs+). When NIST released its original call for proposals for the Postquantum Process, they specified that signature systems would need to be usable at full security for 2^{64} signatures per private key. Hence, the parameter sets specified in SLH-DSA is tuned to have full security after that many signatures. However, it has been noted that in many cases, we don’t have need for that many signatures, and that parameter sets tuned for fewer signatures would be shorter and more efficient to process.
This paper examines such possible alternative parameter sets.
ePrint: https://eprint.iacr.org/2024/018
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