implementation of md6 in pure rust

.github/workflows/md6.yml

@@ -0,0 +1,70 @@
+name: md6
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/md6.yml"
+      - "md6/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "md6/**"
+      - "Cargo.*"
+
+defaults:
+  run:
+    working-directory: md6
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  set-msrv:
+    uses: RustCrypto/actions/.github/workflows/set-msrv.yml@master
+    with:
+        msrv: 1.85.0
+
+  build:
+    needs: set-msrv
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - ${{needs.set-msrv.outputs.msrv}}
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v4
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+          targets: ${{ matrix.target }}
+      - uses: RustCrypto/actions/cargo-hack-install@master
+      - run: cargo hack build --target ${{ matrix.target }} --each-feature --exclude-features default,std
+
+  test:
+    needs: set-msrv
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - ${{needs.set-msrv.outputs.msrv}}
+          - stable
+    steps:
+      - uses: actions/checkout@v4
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - uses: RustCrypto/actions/cargo-hack-install@master
+      - run: cargo hack test --feature-powerset
+
+  minimal-versions:
+    uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
+    with:
+        working-directory: ${{ github.workflow }}

Cargo.toml

@@ -13,6 +13,7 @@ members = [
     "md2",
     "md4",
     "md5",
+    "md6",
     "ripemd",
     "sha1",
     "sha1-checked",

README.md

@@ -25,6 +25,7 @@ Additionally all crates do not require the standard library (i.e. `no_std` capab
 | [MD2] | [`md2`] | [![crates.io](https://img.shields.io/crates/v/md2.svg)](https://crates.io/crates/md2) | [![Documentation](https://docs.rs/md2/badge.svg)](https://docs.rs/md2) | 1.85 | :broken_heart: |
 | [MD4] | [`md4`] | [![crates.io](https://img.shields.io/crates/v/md4.svg)](https://crates.io/crates/md4) | [![Documentation](https://docs.rs/md4/badge.svg)](https://docs.rs/md4) | 1.85 | :broken_heart: |
 | [MD5] | [`md5`] [:exclamation:] | [![crates.io](https://img.shields.io/crates/v/md-5.svg)](https://crates.io/crates/md-5) | [![Documentation](https://docs.rs/md-5/badge.svg)](https://docs.rs/md-5) | 1.85 | :broken_heart: |
+| [MD6] | [`md6`] | [![crates.io](https://img.shields.io/crates/v/md-6.svg)](https://crates.io/crates/md-6) | [![Documentation](https://docs.rs/md-6/badge.svg)](https://docs.rs/md-6) | 1.85 | :green_heart: |
 | [RIPEMD] | [`ripemd`] | [![crates.io](https://img.shields.io/crates/v/ripemd.svg)](https://crates.io/crates/ripemd) | [![Documentation](https://docs.rs/ripemd/badge.svg)](https://docs.rs/ripemd) | 1.85 | :green_heart: |
 | [SHA-1] | [`sha1`] | [![crates.io](https://img.shields.io/crates/v/sha1.svg)](https://crates.io/crates/sha1) | [![Documentation](https://docs.rs/sha1/badge.svg)](https://docs.rs/sha1) | 1.85 | :broken_heart: |
 | [SHA-1 Checked] | [`sha1-checked`] | [![crates.io](https://img.shields.io/crates/v/sha1-checked.svg)](https://crates.io/crates/sha1-checked) | [![Documentation](https://docs.rs/sha1-checked/badge.svg)](https://docs.rs/sha1-checked) | 1.85 | :yellow_heart: |
@@ -246,6 +247,7 @@ Unless you explicitly state otherwise, any contribution intentionally submitted
 [`md2`]: ./md2
 [`md4`]: ./md4
 [`md5`]: ./md5
+[`md6`]: ./md6
 [`ripemd`]: ./ripemd
 [`sha1`]: ./sha1
 [`sha1-checked`]: ./sha1-checked
@@ -289,6 +291,7 @@ Unless you explicitly state otherwise, any contribution intentionally submitted
 [MD2]: https://en.wikipedia.org/wiki/MD2_(cryptography)
 [MD4]: https://en.wikipedia.org/wiki/MD4
 [MD5]: https://en.wikipedia.org/wiki/MD5
+[MD6]: https://en.wikipedia.org/wiki/MD6
 [RIPEMD]: https://en.wikipedia.org/wiki/RIPEMD
 [SHA-1]: https://en.wikipedia.org/wiki/SHA-1
 [SHA-1 Checked]: https://github.com/cr-marcstevens/sha1collisiondetection

md6/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "md6"
+version = "0.11.0-pre.5"
+description = "MD6 hash function"
+authors = ["RustCrypto Developers"]
+license = "MIT OR Apache-2.0"
+readme = "README.md"
+edition = "2024"
+rust-version = "1.85"
+repository = "https://github.com/RustCrypto/hashes"
+keywords = ["crypto", "md6", "hash", "digest"]
+categories = ["cryptography", "no-std"]
+
+[dependencies]
+digest = "=0.11.0-pre.10"
+
+[dev-dependencies]
+digest = { version = "=0.11.0-pre.10", features = ["dev"] }
+hex-literal = "0.4"
+
+[features]
+default = ["oid", "std"]
+std = ["digest/std"]
+oid = ["digest/oid"]
+zeroize = ["digest/zeroize"]
+
+[package.metadata.docs.rs]
+all-features = true