History

The project is UNMAINTAINED, we recommend OpenKeychain. The core porting work has all be included upstream in the official https://gnupg.org sources. The Android app needs a new maintainer. This could be you! Email us at

Gnu Privacy Guard for Android!

This is part of the PSST Project

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Relevant source code

Features we plan to support

Overview of Needed Activities

  • a collection of Activities for seamless integration with other apps
    • act transparently via Intents and returned data
    • only pop UI if user-action is needed (password, choose key, etc)
    • sign/validate emails
    • encrypt/decrypt emails
    • sign/validate files
    • encrypt/decrypt files
    • show trust level
    • generate private key first time
    • sign OpenPGP keys to certify their validity

A list of gnupg features roughly grouped by potential Activity screen:

  • private key view
    • assume single private key
    • should detailed info on scrollable page
    • include QRCode of fingerprint?
    • publish public key with sigs to keyserver
  • key manager view
    • list of public keys
    • view sigs, trust level, etc.
    • select key to sign, etc.
    • sync local keyring with keyservers
  • public key view
    • view certification signatures for any key
    • option to sign this key
  • signing activity
    • QR code display/scanning for keysigning exchanges
    • display randomart image of fingerprint for keysigning exchanges
    • allow easy QR scanning
    • lsign (local-only unexportable) OpenPGP keys
    • publish certification signatures to keyservers
    • email certification signatures to key owner
  • searching and downloading keys
    • if no key in keyring, prompt to search for key
    • preference to automatically search for less privacy concerned users
    • search/download public keys from keyservers
  • contacts integration
    • what does Google sync from custom fields?
    • show key verification status
    • show trust level
    • clickable link into GPG for signing, detail view
  • handling revokation keys
    • automatically generate when generating new private key
    • offer options for remote storage of revokation certificate
    • easy way to copy revoke key to offline storage
  • importing keys
    • import public keys from SD card
    • DO NOT import secret keys from SD card, since its public (use our webdav secure store)

Optional Features

  • display Photo ID images embedded in OpenPGP keys
  • tor proxy support for non-root Tor
  • trust path view
    • generate trust path between private key and current user
  • social graph view aka web of trust degrees

Third Party Code / Libs

Screenshot_2013-06-13-21-06-37.png - gnupg contacts integration screenshot (112 KB) abeluck, 06/13/2013 07:08 pm

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