Airlock v2.1.1

Smaller, same guarantees. ~9 MB (down from 20 MB) via R8 + resource shrinking.

Install

Download airlock-2.1.1.apk, enable install-unknown-apps, open it. Min Android 8.0 (API 26).
Verify: sha256sum -c airlock-2.1.1.apk.sha256. Confirm no network access in Settings → Apps → Airlock → Permissions.

Changes

• R8 code + resource shrinking (~20 MB → ~9 MB). PDFBox/Compose fully kept; build, UI and PDF/scrub code paths verified under R8.
• GitHub Actions CI (tests + no-INTERNET assertion) and a signing-gated release workflow.
• F-Droid metadata + build recipe prepared.

Signed; cert SHA-256 37e2b50c7679e61ff4108f3076a128de05a7e26c548215e02e0ff500c6e5ffef. Apache-2.0.

Airlock v2.1.0

On-device privacy airlock for Android. Strip photo EXIF/GPS, irreversibly redact regions, clean tracking parameters + unwrap redirects, and strip PDF metadata — 100% offline. The app declares no `INTERNET` permission.

Install

Download `airlock-2.1.0.apk`, enable "install unknown apps" for your browser/file manager, and open it. Min Android 8.0 (API 26).

Verify the download

```
sha256sum -c airlock-2.1.0.apk.sha256
```
Confirm it cannot reach the network: Settings → Apps → Airlock → Permissions (no network permission to grant).

What's in this release

• PDF metadata stripping — removes the Info dictionary (Author/Producer/Creator/timestamps) + XMP stream, offline.
• More redirect wrappers — DuckDuckGo, Messenger, LinkedIn, Tumblr, Slack, VK, VigLink/Skimlinks/LinkSynergy, and more.
• Photo metadata destruction, irreversible pixel redaction, link de-tracking, PII redaction (email/phone/card/IP/IBAN), batch images, share-sheet + text-selection integration.

Signed APK · SHA-256 cert digest `37e2b50c7679e61ff4108f3076a128de05a7e26c548215e02e0ff500c6e5ffef`. Apache-2.0.