implementation of md6 in pure rust

.github/workflows/md6.yml

@@ -0,0 +1,71 @@
+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
+          - loongarch64-unknown-linux-gnu
+    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 }}

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

@@ -1,21 +1,21 @@
 [package]
 name = "md6"
-version = "0.1.0"
+version = "0.11.0-pre.5"
 description = "MD6 hash function"
 authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
-edition = "2021"
+edition = "2024"
+rust-version = "1.85"
 repository = "https://github.com/RustCrypto/hashes"
 keywords = ["crypto", "md6", "hash", "digest"]
 categories = ["cryptography", "no-std"]
-rust-version = "1.81"
 
 [dependencies]
-digest = "=0.11.0-pre.9"
+digest = "=0.11.0-pre.10"
 
 [dev-dependencies]
-digest = { version = "=0.11.0-pre.9", features = ["dev"] }
+digest = { version = "=0.11.0-pre.10", features = ["dev"] }
 hex-literal = "0.4"
 base16ct = { version = "0.2", features = ["alloc"] }
 
@@ -24,3 +24,7 @@ default = ["oid", "std"]
 std = ["digest/std"]
 oid = ["digest/oid"]
 zeroize = ["digest/zeroize"]
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]

md6/src/consts.rs

@@ -1,5 +1,4 @@
 /// MD6 constants related to standard mode of operation
-
 pub type Md6Word = u64;
 pub type Md6ControlWord = u64;
 pub type Md6NodeID = u64;
@@ -18,10 +17,9 @@ pub const MD6_C: usize = 16;
 /// Size of compression input block in words
 pub const MD6_N: usize = 89;
 
-// These five values give lengths of the components of compression
-// input block; they should sum to MD6_N.
-
-// Q words in a compression block (>= 0)
+/// These five values give lengths of the components of compression
+/// input block; they should sum to MD6_N.
+/// Q words in a compression block (>= 0)
 pub const MD6_Q: usize = 15;
 /// Key words per compression block (>= 0)
 pub const MD6_K: usize = 8;