chore(deps): update rust deps

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [p521](https://github.com/RustCrypto/elliptic-curves/tree/master/p521) ([source](https://github.com/RustCrypto/elliptic-curves)) | dev-dependencies | patch | `0.14.0-rc.15` → `0.14.0` |

---

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yNTIuMSIsInVwZGF0ZWRJblZlciI6IjQzLjI1Mi4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbXX0=-->

---------

Co-authored-by: UneBaguette <[email protected]>
Reviewed-on: #13
Co-authored-by: Renovate Bot <[email protected]>
Co-committed-by: Renovate Bot <[email protected]>

.cargo/license.rs

@@ -1,6 +1,7 @@
-// Copyright (c) Facebook, Inc. and its affiliates.
+// Copyright (c) Meta Platforms, Inc. and affiliates.
 //
-// This source code is licensed under both the MIT license found in the
-// LICENSE-MIT file in the root directory of this source tree and the Apache
+// This source code is dual-licensed under either the MIT license found in the
+// LICENSE-MIT file in the root directory of this source tree or the Apache
 // License, Version 2.0 found in the LICENSE-APACHE file in the root directory
-// of this source tree.
+// of this source tree. You may select, at your option, one of the above-listed
+// licenses.

.gitea/workflows/ci.yml

@@ -0,0 +1,102 @@
+name: Rust CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+concurrency:
+  group: ci-${{ gitea.ref }}
+  cancel-in-progress: true
+
+jobs:
+  fmt:
+    name: cargo fmt
+    runs-on: linux_amd64
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: Run cargo fmt
+        run: cargo fmt --all -- --check
+
+  clippy:
+    name: cargo clippy
+    runs-on: linux_amd64
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - name: Run cargo clippy
+        run: cargo clippy --all-features --all-targets -- -D warnings
+      - name: Run cargo doc
+        run: cargo doc --no-deps --document-private-items --features danger,std
+        env:
+          RUSTDOCFLAGS: -D warnings
+
+  test:
+    name: test (${{ matrix.toolchain }} / ${{ matrix.backend_feature || 'no backend' }} / ${{ matrix.frontend_feature || 'no frontend' }})
+    runs-on: linux_amd64
+    strategy:
+      fail-fast: false
+      matrix:
+        backend_feature:
+          - --features ristretto255-ciphersuite
+          - ""
+        frontend_feature:
+          - ""
+          - --features danger
+          - --features serde
+        toolchain:
+          - stable
+          - "1.87.0"
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: dtolnay/rust-toolchain@${{ matrix.toolchain }}
+      - name: Run cargo test
+        run: cargo test --no-default-features --lib --tests ${{ matrix.backend_feature }}
+      - name: Run cargo test with alloc
+        run: cargo test --no-default-features --lib --tests ${{ matrix.frontend_feature }} ${{ matrix.backend_feature }} --features alloc
+      - name: Run cargo test with std
+        run: cargo test --no-default-features --lib --tests ${{ matrix.frontend_feature }} ${{ matrix.backend_feature }} --features std
+      - name: Run cargo test with all features
+        run: cargo test --all-features
+
+  build-no-std:
+    name: no-std (${{ matrix.target }} / ${{ matrix.backend_feature || 'no backend' }})
+    runs-on: linux_amd64
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - wasm32-unknown-unknown
+          - thumbv6m-none-eabi
+        backend_feature:
+          - ""
+          - --features ristretto255-ciphersuite
+        frontend_feature:
+          - ""
+          - --features danger
+          - --features serde
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+      - name: Build no-std
+        run: cargo build --verbose --target=${{ matrix.target }} --no-default-features ${{ matrix.frontend_feature }} ${{ matrix.backend_feature }}
+
+  audit:
+    name: cargo audit
+    runs-on: linux_amd64
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install cargo-audit
+        run: cargo install cargo-audit
+      - name: Run cargo audit
+        run: cargo audit -D warnings

.gitea/workflows/publish.yml

@@ -0,0 +1,26 @@
+name: Publish
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  publish:
+    runs-on: linux_amd64
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: Login to crates.io
+        run: cargo login $CRATES_IO_TOKEN
+        env:
+          CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
+
+      - name: Dry run publish
+        run: cargo publish --dry-run --manifest-path Cargo.toml
+
+      - name: Publish
+        run: cargo publish --manifest-path Cargo.toml
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}

.github/dependabot.yml

@@ -1,12 +0,0 @@
-version: 2
-
-updates:
-  - package-ecosystem: cargo
-    directory: /
-    schedule:
-      interval: daily
-
-  - package-ecosystem: github-actions
-    directory: /
-    schedule:
-      interval: daily

.github/workflows/main.yml

@@ -1,179 +0,0 @@
-name: Rust CI
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    types: [opened, repoened, synchronize]
-
-jobs:
-  cargo-audit:
-    name: Audit
-    runs-on: ubuntu-latest
-    steps:
-      - name: Cache cargo-audit
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/.cargo/bin/cargo-audit
-          key: cargo-audit
-
-      - name: Install cargo-audit
-        run: cargo install cargo-audit
-
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Run cargo audit
-        run: cargo audit -D warnings
-
-  test:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        backend_feature:
-          - --features ristretto255-ciphersuite
-          -
-        frontend_feature:
-          -
-          - --features danger
-          - --features serde
-        toolchain:
-          - stable
-          - 1.65.0
-    name: test
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Install ${{ matrix.toolchain }} toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
-          override: true
-
-      - name: Run cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --no-default-features ${{ matrix.backend_feature }}
-
-      - name: Run cargo test with alloc
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --no-default-features ${{ matrix.frontend_feature }},alloc ${{ matrix.backend_feature }}
-
-      - name: Run cargo test with std
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --no-default-features ${{ matrix.frontend_feature }},std ${{ matrix.backend_feature }}
-
-      - name: Run cargo test with all features enabled
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all-features
-
-  build-no-std:
-    name: Build with no-std on ${{ matrix.target }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        target:
-          # for wasm
-          - wasm32-unknown-unknown
-          # for any no_std target
-          - thumbv6m-none-eabi
-        backend_feature:
-          -
-          - --features ristretto255-ciphersuite
-        frontend_feature:
-          -
-          - --features danger
-          - --features serde
-    steps:
-      - uses: actions/checkout@v3
-      - uses: hecrj/setup-rust-action@v1
-      - run: rustup target add ${{ matrix.target }}
-      - run: cargo build --verbose --target=${{ matrix.target }} --no-default-features ${{ matrix.frontend_feature }} ${{ matrix.backend_feature }}
-
-
-  clippy:
-    name: cargo clippy
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: clippy
-
-      - name: Run cargo clippy
-        uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --all-features --all-targets -- -D warnings
-
-      - name: Run cargo doc
-        uses: actions-rs/cargo@v1
-        env:
-          RUSTDOCFLAGS: -D warnings
-        with:
-          command: doc
-          args: --no-deps --document-private-items --features danger,std
-
-
-  rustfmt:
-    name: cargo fmt
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-          components: rustfmt
-
-      - name: Run cargo fmt
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
-
-  taplo:
-    name: Taplo
-    runs-on: ubuntu-latest
-    steps:
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/.cargo/bin/taplo
-          key: taplo
-
-      - name: Install Taplo
-        run: cargo install taplo-cli
-
-      - name: Checkout sources
-        uses: actions/checkout@v3
-
-      - name: Run Taplo
-        run: taplo fmt --check

.github/workflows/publish.yml

@@ -1,28 +0,0 @@
-name: Publish
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  publish:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-
-    steps:
-    - uses: hecrj/setup-rust-action@v1
-      with:
-        rust-version: ${{ matrix.rust }}
-    - uses: actions/checkout@master
-    - name: Login to crates.io
-      run: cargo login $CRATES_IO_TOKEN
-      env:
-        CRATES_IO_TOKEN: ${{ secrets.crates_io_token }}
-    - name: Dry run publish voprf
-      run: cargo publish --dry-run --manifest-path Cargo.toml
-    - name: Publish voprf
-      run: cargo publish --manifest-path Cargo.toml
-      env:
-        CARGO_REGISTRY_TOKEN: ${{ secrets.crates_io_token }}

.gitignore

@@ -1,10 +1,12 @@
 # Generated by Cargo
 # will have compiled files and executables
-/target/
-
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
+debug/
+target/
+pkg/
+demo/
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

CHANGELOG.md

@@ -1,23 +1,99 @@
 # Changelog
 
+## 1.0.0 (July 8, 2026)
+
+* Deduplicated serialization with `impl_serde_scalar`, `impl_serde_elem`, and `impl_serde_scalar_elem` macros
+* Moved `finalize_after_unblind` to `common.rs`, shared by OPRF and VOPRF
+* Added shared test helpers (`test_all_curves` macro, `prf` function)
+* Updated dependencies to stable releases
+
+## 1.0.0-rc.1 (July 3, 2026)
+
+* Reject trailing bytes in all `deserialize` methods
+* Reject identity element in `deterministic_blind_unchecked` to prevent blinding bypass
+* Added roundtrip, trailing bytes, truncated, and empty input tests for serialization
+
+## 1.0.0-rc.0 (July 2, 2026)
+
+* Added missing license in Cargo manifest
+* Implement `zeroize` feature for `digest`, `hybrid-array` and `sha2`
+* Replaced license appendix in files while keeping original copyright
+
+## 1.0.0-pre.1 (July 2, 2026)
+
+* Simplified ciphersuite trait
+* Moved multiplication operator to SecurityLevel type in Group trait
+
+## 1.0.0-pre.0 (June 29, 2026)
+
+Forked from [facebook/voprf](https://github.com/facebook/voprf/) at `0.6.0-pre.1`.
+
+* MSRV bumped to 1.87
+* Migrated from `elliptic-curve 0.13` to `0.14`
+* Replaced `generic-array` with `hybrid-array 0.4`
+* Updated `digest` to 0.11, `rand_core` to 0.10, `rand` to 0.10, `sha2` to 0.11
+* Updated `p256`, `p384`, `p521` to `0.14`
+* Replaced `elliptic-curve/hash2curve` feature with standalone `hash2curve 0.14` crate
+* Removed `VoprfParameters` dependency to be replaced with `OprfParameters` + `GroupDigest`
+* Added `SecurityLevel` associated type to `Group` trait for generic hash bounds
+* Added `OkmLen` associated type to `Group` trait (`MapToCurve::Length`)
+* Updated `hash_to_scalar` to use `MapToCurve::Length` as OKM length per RFC 9380
+* Updated `random_scalar` for deterministic byte consumption with `rand_core 0.10`
+* Auto-impl `CipherSuite` for any `OprfParameters + Group` type via `OprfHash<T>`
+
+## 0.6.0-pre.1 (April 6, 2026)
+
+* MSRV bumped to 1.85
+* Updated rand_core dependency to 0.9
+* Updated rand dependency to 0.9
+* Updated subtle dependency to 2.6
+* Fixed docs issue
+
+## 0.6.0-pre.0 (November 8, 2025)
+
+* MSRV bumped to 1.83
+* Updated Ristretto255 random scalar generation
+* Updated generic-array to v1
+
+## 0.5.0 (March 6, 2024)
+
+* Just a version bump from v0.5.0-pre.7
+
+## 0.5.0-pre.7 (January 11, 2024)
+
+* Updated to be in sync with RFC 9497
+
+## 0.5.0-pre.6 (July 24, 2023)
+
+* Updated curve25519-dalek dependency to 4
+
+## 0.5.0-pre.5 (June 27, 2023)
+
+* Updated curve25519-dalek dependency to 4.0.0-rc.3
+
 ## 0.5.0-pre.4 (May 20, 2023)
+
 * Updated curve25519-dalek dependency to 4.0.0-rc.2
 
 ## 0.5.0-pre.3 (March 4, 2023)
+
 * Updated to be in sync with draft-irtf-cfrg-voprf-19
 * Increased MSRV to 1.65
 * Updated p256 dependency to v0.13
 * Added p384 tests
 
 ## 0.5.0-pre.2 (February 3, 2023)
+
 * Increased MSRV to 1.60
 * Updated p256 dependency to v0.12
 * Updated curve25519-dalek dependency to 4.0.0-rc.1
 
 ## 0.5.0-pre.1 (December 19, 2022)
+
 * Updated curve25519-dalek dependency to 4.0.0-pre.5
 
 ## 0.4.0 (September 15, 2022)
+
 * Updated to be in sync with draft-irtf-cfrg-voprf-11, with
   the addition of the POPRF mode
 * Adds the evaluate() function to the servers to calculate the output of the OPRF

CODE_OF_CONDUCT.md

@@ -1,76 +0,0 @@
-# Code of Conduct
-
-## Our Pledge
-
-In the interest of fostering an open and welcoming environment, we as
-contributors and maintainers pledge to make participation in our project and
-our community a harassment-free experience for everyone, regardless of age, body
-size, disability, ethnicity, sex characteristics, gender identity and expression,
-level of experience, education, socio-economic status, nationality, personal
-appearance, race, religion, or sexual identity and orientation.
-
-## Our Standards
-
-Examples of behavior that contributes to creating a positive environment
-include:
-
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
-
-Examples of unacceptable behavior by participants include:
-
-* The use of sexualized language or imagery and unwelcome sexual attention or
-  advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or electronic
-  address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a
-  professional setting
-
-## Our Responsibilities
-
-Project maintainers are responsible for clarifying the standards of acceptable
-behavior and are expected to take appropriate and fair corrective action in
-response to any instances of unacceptable behavior.
-
-Project maintainers have the right and responsibility to remove, edit, or
-reject comments, commits, code, wiki edits, issues, and other contributions
-that are not aligned to this Code of Conduct, or to ban temporarily or
-permanently any contributor for other behaviors that they deem inappropriate,
-threatening, offensive, or harmful.
-
-## Scope
-
-This Code of Conduct applies within all project spaces, and it also applies when
-an individual is representing the project or its community in public spaces.
-Examples of representing a project or community include using an official
-project e-mail address, posting via an official social media account, or acting
-as an appointed representative at an online or offline event. Representation of
-a project may be further defined and clarified by project maintainers.
-
-## Enforcement
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at <opensource-conduct@fb.com>. All
-complaints will be reviewed and investigated and will result in a response that
-is deemed necessary and appropriate to the circumstances. The project team is
-obligated to maintain confidentiality with regard to the reporter of an incident.
-Further details of specific enforcement policies may be posted separately.
-
-Project maintainers who do not follow or enforce the Code of Conduct in good
-faith may face temporary or permanent repercussions as determined by other
-members of the project's leadership.
-
-## Attribution
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
-available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
-
-[homepage]: https://www.contributor-covenant.org
-
-For answers to common questions about this code of conduct, see
-https://www.contributor-covenant.org/faq

CONTRIBUTING.md

@@ -2,29 +2,11 @@
 We want to make contributing to this project as easy and transparent as
 possible.
 
-## Pull Requests
-We actively welcome your pull requests.
-
-1. Fork the repo and create your branch from `main`.
-2. If you've added code that should be tested, add tests.
-3. If you've changed APIs, update the documentation.
-4. Ensure the test suite passes.
-5. If you haven't already, complete the Contributor License Agreement ("CLA").
-
-## Contributor License Agreement ("CLA")
-In order to accept your pull request, we need you to submit a CLA. You only need
-to do this once to work on any of Facebook's open source projects.
-
-Complete your CLA here: <https://code.facebook.com/cla>
-
 ## Issues
 We use GitHub issues to track public bugs. Please ensure your description is
 clear and has sufficient instructions to be able to reproduce the issue.
 
-Facebook has a [bounty program](https://www.facebook.com/whitehat/) for the safe
-disclosure of security bugs. In those cases, please go through the process
-outlined on that page and do not file a public issue.
-
 ## License
-By contributing to voprf, you agree that your contributions will be
-licensed under the LICENSE file in the root directory of this source tree.
+By contributing to voprf-vx, you agree that your contributions will be
+licensed under both the LICENSE-MIT and LICENSE-APACHE files in the root
+directory of this source tree.

Cargo.lock

@@ -0,0 +1,855 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "aho-corasick"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
+
+[[package]]
+name = "base16ct"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd307490d624467aa6f74b0eabb77633d1f758a7b25f12bceb0b22e08d9726f6"
+
+[[package]]
+name = "bit-set"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08807e080ed7f9d5433fa9b275196cfc35414f66a0c79d864dc51a0d825231a3"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
+
+[[package]]
+name = "bitflags"
+version = "2.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4388bee8683e3d04af747c73422af53102d2bd24d9eadb6cbc100baef4b43f8"
+
+[[package]]
+name = "block-buffer"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2f6c7dbe95a6ed67ad9f18e57daf93a2f034c524b99fd2b76d18fdfeb6660aa"
+dependencies = [
+ "hybrid-array",
+ "zeroize",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+
+[[package]]
+name = "chacha20"
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