Side Channel Messenger app for iPhone and iPad


4.1 ( 4121 ratings )
Social Networking Productivity
Developer: Christoph Froeschl
Free
Current version: 1.2.5, last update: 7 years ago
First release : 02 Apr 2014
App size: 4.79 Mb

Side Channel is secure and free messaging platform. Our goal is to provide top security level to everyone out there. This is reached by utilizing highly regarded cryptographic algorithms. When you use Side Channel nothing leaves your phone in plain text. Even our severs are unable to read the messages you send to your contacts.

No contacts information is stored on our sever. Only information entered during registration is used to match users with your contacts. Location information and contacts are only used on device to allow sending of contact and location messages.

Platforms available and targeted:
* iOS (iPhone, iPod touch and iPad)
* many other mobile platforms

Cryptology inside:
* elGamal elliptic curve for message key exchange (384 bit key size)
* AES in CCM with 256 bit key size for message encryption
* additionally any non-message communication between app and server is encrypted using SSL (no heartblead bug)
* encryption library: Stanford Javascript Crypto Library (see http://bitwiseshiftleft.github.io/sjcl/)
* random generator for key generation is a derivative of Ferguson and Schneiers generator Fortuna
* using user input (abitrary movement) for adding entropy to random