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rust-bitcoin-unsafe-fast/hashes
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Andrew Poelstra 0d1cab68ee
Merge rust-bitcoin/rust-bitcoin#2644: Add HKDF to bitcoin_hashes 
c9d1ff7037 Update hashes API changes (Nick Johnson)
878ab924d1 Add HMAC Extract-and-Expand Key Derivation Function (Nick Johnson)

Pull request description:

  rustaceanrob and I have been working on a Rust-based BIP324 implementation over at https://github.com/rustaceanrob/bip324. We have been attempting to keep the code pretty clean in hopes of a future "soft landing" in rust-bitcoin. I figured the HKDF implementation is a small, self-contained chunk that might allow us to learn the ropes here first.

  There was a mention in the [discussion thread on BIP324](https://github.com/rust-bitcoin/rust-bitcoin/discussions/1691) that the hashes interface may be changing in the near future. I am not sure the effect that would have on this implementation, but happy to work through any issues.

  Closes #2551

ACKs for top commit:
  tcharding:
    ACK c9d1ff7037
  apoelstra:
    ACK c9d1ff7037

Tree-SHA512: 404d51ca055db4366ec57f1503fcf350aebcd181f36a20a17763ea8c47ade851213fc882acd2785313953a3e768d588c230f737ff93f88121b97c34b37c65127
 		2024-05-31 22:13:08 +00:00
..
contrib CI: Remove shebang from non-executable scripts 2024-05-31 10:10:00 +10:00
embedded ci: shellcheck checks 2024-05-11 18:08:53 +00:00
extended_tests/schemars chore: format and standardize all markdowns files 2024-04-27 06:29:23 -03:00
src Add HMAC Extract-and-Expand Key Derivation Function 2024-05-30 15:12:18 -07:00
tests 2024-05-26 automated rustfmt nightly 2024-05-26 01:07:01 +00:00
CHANGELOG.md Document the sha256t_hash_newtype direction 2024-05-07 12:48:07 +10:00
Cargo.toml cargo: whitelist all cfgs used in this repo 2024-05-22 13:32:24 +00:00
README.md chore: format and standardize all markdowns files 2024-04-27 06:29:23 -03:00

README.md

Bitcoin Hashes Library

This is a simple, no-dependency library which implements the hash functions needed by Bitcoin. These are SHA1, SHA256, SHA256d, SHA512, and RIPEMD160. As an ancillary thing, it exposes hexadecimal serialization and deserialization, since these are needed to display hashes anway.

Documentation

Minimum Supported Rust Version (MSRV)

This library should always compile with any combination of features on Rust 1.56.1.

Contributions

Contributions are welcome, including additional hash function implementations.

Githooks

To assist devs in catching errors before running CI we provide some githooks. If you do not already have locally configured githooks you can use the ones in this repository by running, in the root directory of the repository:

git config --local core.hooksPath githooks/

Alternatively add symlinks in your .git/hooks directory to any of the githooks we provide.

Running Benchmarks

We use a custom Rust compiler configuration conditional to guard the bench mark code. To run the bench marks use: RUSTFLAGS='--cfg=bench' cargo +nightly bench.