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@contentauth Content Authenticity Initiative

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    42 repositories

    • opensource.contentauth.org

      Public
      Open source documentation site
      JavaScript
      •
      Other
      •27•2•7•5•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-rs

      Public
      Rust SDK for the core C2PA (Coalition for Content Provenance and Authenticity) specification
      metadatac2pa
      metadatac2pa
      Rust
      •
      Other
      •205•439•166•131•Updated Nov 3, 2026Nov 3, 2026

    • c2patool

      Public
      Command line tool for displaying and adding C2PA manifests
      Rust
      •
      Apache License 2.0
      •44•161•3•15•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-js

      Public
      TypeScript
      •
      MIT License
      •29•40•8•8•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-python

      Public
      Python binding for c2pa-rs library
      Python
      •
      Apache License 2.0
      •39•109•4•6•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-cpp

      Public
      C++ binding for C2PA
      C++
      •
      Apache License 2.0
      •14•17•1•4•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-swift

      Public
      C2PA SDK for Swift (iOS/macOS)
      Swift
      •
      Apache License 2.0
      •14•27•4•5•Updated Nov 3, 2026Nov 3, 2026

    • conformance-example-app

      Public
      A basic example of a C2PA signing app to help those working toward C2PA conformance
      JavaScript
      •
      MIT License
      •0•0•0•0•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-conformance-tool

      Public
      TypeScript
      •
      Other
      •9•6•11•7•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-attacks

      Public
      Content Authenticity Security Tool
      Rust
      •
      Apache License 2.0
      •4•15•5•1•Updated Nov 3, 2026Nov 3, 2026

    • cimpl

      Public
      A safe way to expose complex Rust code via C_FFI
      Rust
      •
      Apache License 2.0
      •0•0•0•4•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-android

      Public
      C2PA SDK for Android
      Kotlin
      •
      Apache License 2.0
      •6•13•6•3•Updated Nov 3, 2026Nov 3, 2026

    • asset-io

      Public
      High-performance streaming JUMBF and XMP I/O for media files
      Rust
      •
      Apache License 2.0
      •0•2•0•0•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-raw-crypto

      Public
      Raw cryptographic signing and validation primitives for C2PA
      Rust
      •
      Apache License 2.0
      •1•0•9•4•Updated Nov 3, 2026Nov 3, 2026

    • c2pa-cbor

      Public
      A fast, lightweight CBOR encoder/decoder used by C2PA
      Rust
      •
      Apache License 2.0
      •1•0•1•8•Updated Nov 2, 2026Nov 2, 2026

    • ci-workflows

      Public
      Reusable GitHub Actions workflows for Content Authenticity Initiative repositories.
      JavaScript
      •0•0•0•0•Updated Nov 2, 2026Nov 2, 2026

    • contentauth-sans-io-core

      Public
      Experimental: Host-driven, sans-I/O workflows for C2PA and CAWG, leaving I/O, concurrency, and scheduling to the host application
      Rust
      •
      Apache License 2.0
      •0•0•0•5•Updated Nov 1, 2026Nov 1, 2026

    • .github

      Public
      For public org profile
      0•0•0•0•Updated Sep 10, 2026Sep 10, 2026

    • c2pagen

      Public
      Bulk, reproducible C2PA asset generator.
      Rust
      •
      Apache License 2.0
      •0•0•0•0•Updated Jul 31, 2026Jul 31, 2026

    • c2pa-python-example

      Public
      Example of using CAI Python library
      Python
      •
      MIT License
      •4•10•2•0•Updated Jul 30, 2026Jul 30, 2026

    • c2pa-ios-example

      Public
      Example app that uses c2pa-ios to add Content Credentials
      iosc2pa
      iosc2pa
      Swift
      •
      Other
      •1•1•0•0•Updated Jul 30, 2026Jul 30, 2026

    • c2pa-min

      Public
      Minimum size implementation of a c2pa signer, without openssl
      Rust
      •
      Apache License 2.0
      •1•1•1•0•Updated Jul 7, 2026Jul 7, 2026

    • verify-site

      Public
      Code base for contentcredentials.org / Verify
      TypeScript
      •
      Apache License 2.0
      •14•10•13•27•Updated Jul 6, 2026Jul 6, 2026

    • c2pa-node-v2

      Public archive
      Node.js bindings for C2PA v24 API
      Rust
      •
      MIT License
      •11•11•1•0•Updated Jun 19, 2026Jun 19, 2026

    • wp-plugin

      Public
      WordPress plugin for reading and signing C2PA content credentials (product and CAWG organisational signatures)
      PHP
      •
      Other
      •0•0•1•0•Updated May 29, 2026May 29, 2026

    • c2pa-conformance-tool-cli

      Public
      A command line application for C2PA Conformance testing
      Rust
      •
      Apache License 2.0
      •2•1•0•0•Updated May 21, 2026May 21, 2026

    • c2pa-mcp

      Public
      MCP server for reading C2PA Content Credentials from media using the CAI Rust SDK.
      Rust
      •
      Apache License 2.0
      •1•4•0•0•Updated Mar 27, 2026Mar 27, 2026

    • c2pa-android-example

      Public
      Example app that uses c2pa-android to add Content Credentials
      androidc2pa
      androidc2pa
      Kotlin
      •
      MIT License
      •3•2•0•0•Updated Mar 26, 2026Mar 26, 2026

    • example-assets

      Public
      Examples for reference from the docs.
      c2pa
      c2pa
      MIT License
      •1•1•0•0•Updated Jan 29, 2026Jan 29, 2026

    • json-manifest-reference

      Public archive
      Documentation site for JSON manifest reference
      SCSS
      •
      MIT License
      •3•4•1•8•Updated Nov 17, 2025Nov 17, 2025
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