Đây là đơn giản VK đưa tin mà sẽ mã hóa tin nhắn của bạn
This is cutted version of my old application
==USAGE==
Step 1:
Download and install app in yourself and your friend phones
Step 2:
Send to your friend key request and your friend accepted and send back herself key (128bit)
Step 3:
You must save this key and Yee, you setup end2end encrypted tunnel with your friend
Get started!