#sphincs #signature

no-std slh-dsa

Pure Rust implementation of SLH-DSA (aka SPHINCS+) as described in the FIPS-205 standard

5 unstable releases

Uses new Rust 2024

new 0.2.0-rc.2 Jan 5, 2026
0.2.0-rc.1 Nov 7, 2025
0.2.0-rc.0 Sep 13, 2025
0.1.0 Aug 18, 2024
0.0.1 Aug 24, 2023

#2923 in Cryptography

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12,377 downloads per month
Used in 14 crates (10 directly)

Apache-2.0 OR MIT

125KB
3K SLoC

RustCrypto: SLH-DSA

crate Docs Build Status Apache2/MIT licensed MSRV Project Chat

Pure Rust implementation of the SLH-DSA (aka SPHINCS+) signature scheme.

Implemented based on the FIPS-205 Standard.

⚠️ Security Warning

The implementation contained in this crate has never been independently audited!

USE AT YOUR OWN RISK!

License

All crates licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Dependencies

~4MB
~62K SLoC