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rc6: RC6 Implementation (#439)
Implementation and documentation are aligned with rc5 implementation. I referred following document for key schedule, encryption and decryption algorithms: https://www.grc.com/r&d/rc6.pdf I checked whether it works by following test vectors. https://datatracker.ietf.org/doc/html/draft-krovetz-rc6-rc5-vectors-00#section-3
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‎.github/workflows/rc6.yml‎

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name: rc6
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on:
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pull_request:
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paths:
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- "rc6/**"
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- "Cargo.*"
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push:
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branches: master
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defaults:
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run:
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working-directory: rc6
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env:
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CARGO_INCREMENTAL: 0
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RUSTFLAGS: "-Dwarnings"
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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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matrix:
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rust:
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- 1.65.0 # MSRVs
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- stable
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target:
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- thumbv7em-none-eabi
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- wasm32-unknown-unknown
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steps:
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- uses: actions/checkout@v3
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- uses: RustCrypto/actions/cargo-cache@master
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- uses: dtolnay/rust-toolchain@master
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with:
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toolchain: ${{ matrix.rust }}
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targets: ${{ matrix.target }}
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- run: cargo build --no-default-features --release --target ${{ matrix.target }}
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minimal-versions:
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uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
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with:
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working-directory: ${{ github.workflow }}
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test:
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runs-on: ubuntu-latest
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strategy:
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matrix:
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rust:
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- 1.65.0 # MSRVs
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- stable
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steps:
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- uses: actions/checkout@v3
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- uses: RustCrypto/actions/cargo-cache@master
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- uses: dtolnay/rust-toolchain@master
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with:
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toolchain: ${{ matrix.rust }}
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- run: cargo check --all-features
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- run: cargo test --no-default-features
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- run: cargo test
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- run: cargo test --all-features

‎Cargo.lock‎

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‎Cargo.toml‎

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"magma",
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"rc2",
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"rc5",
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"rc6",
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"serpent",
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"sm4",
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"speck",

‎rc6/Cargo.toml‎

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[package]
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name = "rc6"
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version = "0.1.0"
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description = "RC6 block cipher"
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authors = ["RustCrypto Developers"]
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edition = "2021"
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license = "MIT OR Apache-2.0"
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readme = "README.md"
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repository = "https://github.com/RustCrypto/block-ciphers"
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keywords = ["crypto", "rc6", "block-cipher"]
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categories = ["cryptography"]
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[dependencies]
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cipher = { version = "0.5.0-pre.6", features = ["zeroize"] }
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[dev-dependencies]
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cipher = { version = "0.5.0-pre.6", features = ["dev"] }
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[features]
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zeroize = []

‎rc6/LICENSE-APACHE‎

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Copyright 2017 Damian Czaja
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.

‎rc6/LICENSE-MIT‎

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Copyright (c) 2017 Damian Czaja
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Permission is hereby granted, free of charge, to any
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person obtaining a copy of this software and associated
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documentation files (the "Software"), to deal in the
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Software without restriction, including without
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limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software
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is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice
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shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.

‎rc6/README.md‎

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# [RustCrypto]: RC6 Cipher
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[![crate][crate-image]][crate-link]
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[![Docs][docs-image]][docs-link]
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[![Build Status][build-image]][build-link]
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![Apache2/MIT licensed][license-image]
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![Rust Version][rustc-image]
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[![Project Chat][chat-image]][chat-link]
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[![HAZMAT][hazmat-image]][hazmat-link]
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Pure Rust implementation of the [RC6] block cipher.
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[Documentation][docs-link]
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## ⚠️ Security Warning: [Hazmat!][hazmat-link]
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This crate does not ensure ciphertexts are authentic (i.e. by using a MAC to
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verify ciphertext integrity), which can lead to serious vulnerabilities
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if used incorrectly!
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No security audits of this crate have ever been performed, and it has not been
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thoroughly assessed to ensure its operation is constant-time on common CPU
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architectures.
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USE AT YOUR OWN RISK!
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## Minimum Supported Rust Version
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Rust **1.56** or higher.
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Minimum supported Rust version can be changed in the future, but it will be
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done with a minor version bump.
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## SemVer Policy
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- All on-by-default features of this library are covered by SemVer
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- MSRV is considered exempt from SemVer as noted above
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## License
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Licensed under either of:
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* [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
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* [MIT license](http://opensource.org/licenses/MIT)
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at your option.
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### Contribution
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Unless you explicitly state otherwise, any contribution intentionally submitted
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for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
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dual licensed as above, without any additional terms or conditions.
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[//]: # (badges)
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[crate-image]: https://img.shields.io/crates/v/rc6.svg
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[crate-link]: https://crates.io/crates/rc6
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[docs-image]: https://docs.rs/rc6/badge.svg
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[docs-link]: https://docs.rs/rc6/
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[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
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[rustc-image]: https://img.shields.io/badge/rustc-1.56+-blue.svg
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[hazmat-image]: https://img.shields.io/badge/crypto-hazmat%E2%9A%A0-red.svg
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[hazmat-link]: https://github.com/RustCrypto/meta/blob/master/HAZMAT.md
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[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
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[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260039-block-ciphers
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[build-image]: https://github.com/RustCrypto/block-ciphers/actions/workflows/rc6.yml/badge.svg
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[build-link]: https://github.com/RustCrypto/block-ciphers/actions/workflows/rc6.yml
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[//]: # (general links)
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[RustCrypto]: https://github.com/RustCrypto/
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[RC6]: https://en.wikipedia.org/wiki/RC6

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