Story thread · 3 reports / 3 sources

Apple Details How Reference Image Proves a Photo is Real

macrumors.com · 6h · first reportShare

The iPhone 18 Pro models support Apple Reference Image, a way to verify that a photo was taken with an iPhone and hasn't been edited. Apple says it's a method to prove that something actually happened and wasn't AI-generated, likening the feature to a digital film negative. Apple Reference Image offers a trustworthy, scalable guarantee that a reference image is what it claims to be: a real photograph, captured by a real sensor in an iPhone camera, at a specific time. It sets a new standard for verifiable digital photography. Apple introduced Apple Reference Image when debuting the ‌iPhone 18 Pro‌ and Pro Max, and today the company shared more information on how the feature works on its Security Research blog . Apple Reference Image boots the camera sensor into a specialized reference mode. The mode instructs the sensor to cryptographically sign pixel data immediately after capture, and the sensor firmware is prevented from modifying the data. Other authentication systems don't sign ima