TrueSign – Hardware-backed cryptographic proof of photo authenticity

Summary: TrueSign is an Android camera app that uses the Secure Enclave to cryptographically sign raw sensor data at capture, ensuring images are unedited. It blocks gallery uploads and filters, providing a verifiable link to prove photo authenticity without requiring accounts or logins.

What it does

TrueSign captures raw sensor data and uses a hardware chip to lock the pixels cryptographically. It generates a verification link proving the image is original and unaltered.

Who it's for

It is designed for users needing reliable proof of photo authenticity, such as journalists or individuals verifying real-world events.

Why it matters

TrueSign addresses the problem of AI deepfakes by providing hardware-backed verification to confirm images are genuine and unedited.