Porting Tang to OpenWRT

The main objective of this work was to port and document the process of porting the Tang server and its dependencies to OpenWrt system, which is designed for embedded devices such as WiFi routers.This thesis describes the encryption and its application to secure the computer’s hard drive.It describes the structure of the encrypted disk’s partition according to the LUKS specification on Linux operating systems.The thesis focuses on describing possibilities of automating the disk decryption process using an external server that enters the process as a third party.It describes the principles of Key Escrow and Tang server. Steps required to compile and configure the Tang server are described too.The thesis also includes a documented process of contributing changes and newly created OpenWrt packages to corresponding Open Source projects.


Faculty of Information Technology

Date of Completion




Lichtner Ondrej


Pazdziora Jan


Dudlák Tibor