KryptEY

KryptEY - Secure E2EE Communication An Android keyboard that delivers secure end-to-end encrypted messaging via the Signal protocol in any messenger. Communicate safely and independently, regardless of legal circumstances or whether the sender uses E2EE. No servers required. KryptEY was created by mellitopia and amnesica. **Motivation** Laws like the proposed EU Chat Control, which undermine end-to-end encryption (E2EE), pose an ongoing threat. As a result, content in communication tools that use E2EE, such as WhatsApp or Signal, could be monitored by third parties. While E2EE is often (though not always) standard in such tools, proven methods like PGP exist but can be cumbersome to integrate and require significant effort to use. KryptEY is an Android keyboard that implements the Signal protocol. It operates independently of messengers, with both the X3DH key agreement protocol and the Double Ratchet algorithm functioning without servers, enabling highly autonomous use of the protocol. **Features** Built on a simple keyboard, KryptEY adds a view above the keyboard for E2EE functionality. - Use E2EE via the Signal protocol in any messenger - Encrypt/decrypt messages - Input messages through a dedicated text field in the keyboard - Read messages via clipboard access - Manage contacts from your own contact list within the keyboard - View sent/received messages in a message log - Send messages as plain JSON (Raw Mode) or concealed within decoy text (Fairy Tale Mode) - Authenticate E2EE functions via fingerprint - Q&A view to assist with troubleshooting - Dark and light themes

KryptEY is an Android keyboard that enables secure end-to-end encrypted communication via the Signal protocol across any instant messaging platform, designed to facilitate private conversations free from third-party surveillance.