cisco/hash-sigs

A full-featured implementation of of the LMS and HSS Hash Based Signature Schemes from draft-mcgrew-hash-sigs-07.

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Sep 4, 2026

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README

This code attempts to be a usable implementation of the LMS Hash Based
Signature Scheme from RFC 8554.

See read.me for documentation how to use it.

This is the ACVP branch - designed to be (optionally) compatible with the
public ACVP server

Not written in Markdown, so it's shown here as plain text — view it formatted on GitHub.

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README

This code attempts to be a usable implementation of the LMS Hash Based
Signature Scheme from RFC 8554.

See read.me for documentation how to use it.

This is the ACVP branch - designed to be (optionally) compatible with the
public ACVP server

Not written in Markdown, so it's shown here as plain text — view it formatted on GitHub.