写丸君

No sign-up. No account. Free. Shamaru-kun is a camera app that embeds proof of authenticity into every photo and video you take. Open it and shoot — that is all. The proof uses the industry standard C2PA (Content Credentials), the same standard adopted by Adobe, Google, Sony and Leica, so anyone can verify your files with tools such as contentcredentials.org/verify, even without this app. What is recorded - That the file is a camera capture, not AI-generated - The capture time, the app, and the device model - A tamper-evident hash: any single changed bit is detectable - Optionally, the capture location The signing key never leaves the Secure Enclave The key used for signing is created inside this iPhone's Secure Enclave and cannot be extracted. Not even Shamaru-kun can read the key itself. No internet access by default By default, Shamaru-kun blocks its own network path. Your photos,…