Lib.rs

› Cryptography
#hash #tor #puzzle #random-x #arti #variant #asic-resistant

hashx

Hash function family designed for ASIC-resistant client puzzles

by The Tor Project, Inc.. Owned by Nick Mathewson, Ian Jackson, Gabi Moldovan, David Goulet.

9 releases

0.2.2 Jan 7, 2025
0.2.1 Dec 2, 2024
0.2.0 Sep 30, 2024
0.1.5 Jun 5, 2024
0.1.0 Aug 1, 2023

#1458 in Cryptography

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6,946 downloads per month
Used in 58 crates (via equix)

LGPL-3.0-only

125KB
2.5K SLoC

hashx

hashx: Rust reimplementation of tevador's HashX ASIC-resistant hash function

This is an ASIC-resistant hash function designed by tevador as a lightweight variant of RandomX's SuperscalarHash, optimized for Tor's client puzzle use case. Check out tevador's dev log for more information.

This is for Tor client puzzle support in Arti. (#889)

lib.rs:

Dependencies

~0.9–1.6MB
~37K SLoC