README

This is the reference implementation of BLAKE3. It is used for testing and as a readable example of the algorithms involved. Section 5.1 of the BLAKE3 spec discusses this implementation. You can render docs for this implementation by running cargo doc --open in this directory.

This implementation is a single file (reference_impl.rs) with no dependencies. It is not optimized for performance.

There are ports of this reference implementation to other languages:

• C
• Python