Digicrypt CAS focuses on leading security technologies, using white-box algorithm technology and regional chain technology, using the most advanced cryptography technology to encrypt data on generation and transmission and storage procedures. Distributed deployment and dedicated network deployment provide users with excellent solutions, which have much excellence for authorization of customer ,high efficiency, short time and small bandwidth occupation. It saves the cost of bandwidth and improves the authorization experience of end users. In the process of session interaction, the random change of dynamic KEY ensures the security of data transmission and eliminates the malicious destruction of hackers. Again billing methods above, can support mobile phone's APK, SMS, PIN code, business hall, pre-charge and other rich billing methods, to adapt to the scene with the public. In user management, BOSS system provides rich functions. It can manage cards, packages, programs, recharge, etc. It also provides abundant report functions.