IPTV Service Framework Based on Secure Authentication and Lightweight Content Encryption for Screen-Migration in Cloud Computing

Table 1

Table system parameters.

Notation	Description
	Unique mobile identity generated during registration process.
	Unique password of user mobile generated during registration process.
	License of user mobile generated based on the service agreement.
	Model number of set-top box which is used to identify it.
	Unique identity of set-top box generated during registration process.
	Unique password of set-top box generated during registration process.
	License of set-top box generated based on the service agreement.
	Arbitrary number of user mobiles that may only be used once.
	Arbitrary number of user STB that may only be used once.
	Arbitrary number of service providers that may only be used once.
	Encrypted digital content using lightweight encryption method (Section 4.1.2).
	Arbitrary number of Kerberos servers that may only be used once.
Nonce	Arbitrary number of Kerberos clients that may only be used once.