Signata v1.2.4 — public source
Digital watermarking for images, audio, video, and PDFs — processing entirely on-device.
Highlights
- Protect & verify PNG/JPG, WAV, MP4/MOV, PDF with signed claim keys
- Trace online — URL scanning, watchlist re-scans, published claims
- Sealed JSON verification reports with tamper detection
- Email + Google Sign-In; accounts and history stay on-device
- Recovery kit export/import, TOTP 2FA, starter checklist on Home
- 67 Flutter tests; CI on \main\
Public release
- Source published under proprietary LICENSE (© 2026 Wejdan Al Amri)
- Report security issues via SECURITY.md
Quick start
\\sh
git clone https://github.com/WejdanBa-CS/Signata.git
cd Signata
flutter pub get
flutter run
\\
Optional Google Sign-In: copy \google_oauth.example.env\ → \google_oauth.env\ and pass --dart-define-from-file=google_oauth.env.
Play release checklist: [\docs/RELEASE_PLAY.md](https://github.com/WejdanBa-CS/Signata/blob/main/docs/RELEASE_PLAY.md)