Cryptographic proof of photo authenticity for any Android device. ECDSA P-256 signed. SHA-256 hashed. 14-sensor fingerprinted.
The world's first c2pa standard implementation that supports PDF-files signing.
🌍 Awesome C2PA: Multi-language specifications, tools, and resources for content authenticity
Combat fake news with cryptographic image verification. Origin Lens analyzes C2PA Content Credentials and EXIF metadata to detect AI-generated content, verify digital signatures, and reveal complete edit history. Privacy-first open source iOS app with on-device verification. (arXiv:2602.03423)
Strip EXIF, GPS, C2PA / Content Credentials, AI watermarks, and Stable Diffusion / ComfyUI / Midjourney / ChatGPT prompt blocks from any image. Three modes: safe (pixel-identical), paranoid (re-encode), nuclear (disrupt SynthID/Digimarc). CLI + macOS desktop app. 100% offline.
Hardware-bound operation evidence system for digital creation processes. This repository publishes architectural concepts as prior art.
End-to-end reference: AWS-serverless C2PA signing & verification (API Gateway + Lambda + S3 + DynamoDB + KMS + CloudFront), IP-allowlisted via WAF v2.
Streamlit application for summarizing Content Credentials.
Jura Trace — official installer downloads. Desktop application for forensic media verification.
React and Svelte component to embed images with their C2PA data in a user-friendly interface
Add a description, image, and links to the content-credentials topic page so that developers can more easily learn about it.
To associate your repository with the content-credentials topic, visit your repo's landing page and select "manage topics."