cts: initial crate

.github/workflows/cts.yaml

@@ -0,0 +1,60 @@
+name: cts
+
+on:
+  pull_request:
+    paths:
+      - "cts/**"
+      - "Cargo.*"
+  push:
+    branches: master
+
+defaults:
+  run:
+    working-directory: cts
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: "-Dwarnings"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.81.0 # 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 }}
+      - run: cargo build --no-default-features --release --target ${{ matrix.target }}
+
+  minimal-versions:
+    # disabled until belt-block gets published
+    if: false
+    uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
+    with:
+        working-directory: ${{ github.workflow }}
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.81.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v4
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - run: cargo test
+      - run: cargo test --all-features

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 resolver = "2"
-members = ["belt-ctr", "cbc", "cfb8", "cfb-mode", "ctr", "ige", "ofb", "pcbc"]
+members = ["belt-ctr", "cbc", "cts", "cfb8", "cfb-mode", "ctr", "ige", "ofb", "pcbc"]
 
 [profile.dev]
 opt-level = 2

cts/CHANGELOG.md

@@ -0,0 +1,11 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## 0.1.0 (2024-11-01)
+- Initial release ([#70])
+
+[#70]: https://github.com/RustCrypto/block-modes/pull/70

cts/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "cts"
+version = "0.1.0"
+description = "Generic implementation of the ciphertext stealing block modes of operation"
+authors = ["RustCrypto Developers"]
+license = "MIT OR Apache-2.0"
+edition = "2021"
+rust-version = "1.81"
+readme = "README.md"
+documentation = "https://docs.rs/cts"
+repository = "https://github.com/RustCrypto/block-modes"
+keywords = ["crypto", "block-mode", "ciphers"]
+categories = ["cryptography", "no-std"]
+
+[dependencies]
+cipher = "0.4.2"
+
+[dev-dependencies]
+cipher = { version = "0.4.2", features = ["dev"] }
+hex-literal = "0.4"
+aes = "0.8"
+belt-block = "0.1"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]