CipherKeys

Android keyboard with PGP encryption.

After installing, enable in Settings > System > Keyboard > On-screen keyboard > CipherKeys.

Features Full QWERTY keyboard with dark/light theme support PGP encryption and decryption directly from the keyboard Key generation (Ed25519/Curve25519 and RSA-4096) Recipient management with import/export Passphrase caching (cleared on device lock) Inline compose panel with blinking cursor, tap-to-position, and auto-scroll Encrypt-and-send via long-press on enter key Long-press number keys on top row Haptic and sound feedback on key press (configurable) Key press popover showing pressed character above the key Shift lock and symbol lock (double-tap or long-press, configurable) Auto-capitalize after sentence-ending punctuation Configurable key height, key background shading Cleartext PGP sign with optional message expiration Encrypt-to-self option (auto-add your key to all encryptions) Inline recipient picker when encrypting without recipients selected Send and long-press Enter encrypt-and-send to app input Signature verification on paste with valid/invalid/expired banners Passphrase input auto-resets keyboard to lowercase Backspace repeat on long-press Interactive help system