Initial commit, with COSE_Key[Set] support

.codecov.yml

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+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+comment: false
+
+ignore:
+  - "**/build.rs"
+  - "**/benches/"
+  - "**/tests/"
+  - "**/codegen/"
+  - "**/*_test.rs"
+  - "**/*tests.rs"

.github/workflows/ci.yml

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+name: CI
+on:
+  pull_request:
+    paths-ignore:
+      - README.md
+  push:
+    branches: main
+    paths-ignore:
+      - README.md
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly-2020-10-19
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          components: rustfmt
+          override: true
+      - run: cargo build --release --all
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly-2020-10-19
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          components: rustfmt
+          override: true
+      - run: cargo test --all -- --nocapture
+
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+      - run: go get github.com/campoy/embedmd
+      - uses: actions/setup-ruby@v1
+      - run: gem install mdl
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2020-10-19
+          override: true
+          components: rustfmt
+      - run: cargo fmt --all -- --check
+      - run: scripts/check-format.sh
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2020-10-19
+          override: true
+          components: rustfmt, clippy
+      - run: cargo clippy --all-features --all-targets
+
+  doc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+      - run: cargo doc --no-deps --document-private-items
+
+  udeps:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2020-10-19
+          override: true
+          components: rustfmt
+      - uses: actions-rs/[email protected]
+        with:
+          crate: cargo-udeps
+          use-tool-cache: true
+          version: 0.1.15
+      - run: cargo udeps
+
+  deny:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2020-10-19
+          override: true
+          components: rustfmt
+      - run: cargo install --locked --version 0.8.5 cargo-deny
+      - run: cargo deny check
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+          fetch-depth: 0
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2020-10-19
+          override: true
+          components: rustfmt
+      - uses: actions-rs/[email protected]
+        with:
+          crate: cargo-tarpaulin
+          use-tool-cache: true
+      - run: cargo tarpaulin --verbose --ignore-tests --all-features --timeout=600 --out Xml
+      - name: Upload to codecov.io
+        run: |
+          bash <(curl -s https://codecov.io/bash)

.gitignore

@@ -0,0 +1 @@
+/target

.mdl-style.rb

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+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+all
+rule 'MD013', :line_length => 120
+rule 'MD007', :indent => 4
+exclude_rule 'MD031' # embedmd markers are next to fenced code blocks
+exclude_rule 'MD033' # allow inline HTML, esp. <sup>

.mdlrc

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+style "#{File.dirname(__FILE__)}/.mdl-style.rb"

.rustfmt.toml

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+# See https://github.com/rust-lang/rustfmt/blob/master/Configurations.md
+comment_width = 100
+format_code_in_doc_comments = true
+max_width = 100
+normalize_doc_attributes = true
+wrap_comments = true
+merge_imports = true
+imports_layout = "mixed"
+edition = "2018"

AUTHORS

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+# This is the list of significant contributors.
+#
+# This does not necessarily list everyone who has contributed code,
+# especially since many employees of one corporation may be contributing.
+# To see the full list of contributors, see the revision history in
+# source control.
+Google LLC

CONTRIBUTING.md

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+# How to Contribute
+
+We'd love to accept your patches and contributions to this project. There are
+just a few small guidelines you need to follow.
+
+## Contributor License Agreement
+
+Contributions to this project must be accompanied by a Contributor License
+Agreement. You (or your employer) retain the copyright to your contribution;
+this simply gives us permission to use and redistribute your contributions as
+part of the project. Head over to <https://cla.developers.google.com/> to see
+your current agreements on file or to sign a new one.
+
+You generally only need to submit a CLA once, so if you've already submitted one
+(even if it was for a different project), you probably don't need to do it
+again.
+
+## Code reviews
+
+All submissions, including submissions by project members, require review. We
+use GitHub pull requests for this purpose. Consult
+[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
+information on using pull requests.
+
+## Community Guidelines
+
+This project follows [Google's Open Source Community
+Guidelines](https://opensource.google/conduct/).

Cargo.toml

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+[package]
+name = "coset"
+version = "0.1.0"
+authors = ["David Drysdale <[email protected]>"]
+edition = "2018"
+license = "Apache-2.0"
+description = "Set of types for supporting COSE"
+keywords = ["cryptography", "cose"]
+categories = ["cryptography"]
+
+[dependencies]
+maplit = "^1.0"
+serde_cbor = "^0.11.1"
+serde = { version = "^1.0.123", features = ["derive"] }
+
+[dev-dependencies]
+hex = "^0.4.2"