An important new technology has recently been developed that will revolutionize trust and security for online transactions. Conventionally, most of the security-relevant functions are concentrated within the operating system. Often, these functions, especially those dealing with access control, are commingled with object management functions. This article, abstracted from a new book on the subject, explains the key concepts and the exciting potential of Trusted Computing Platforms (often abbreviated to Trusted Platforms). We discuss access control in multilevel database management systems applies and illustrate the main applies of access control based on Trusted Computing in the LogicSQL database system.

With the help of enterprise information technology wave, a lot of internal information resources have come out. Enterprise search achieves more accurate positioning information, and it realizes the value from the information across to the knowledge. This paper discussed the enterprise search systems based on database security services. Such as Oracle Ultra Search, Sybase Enterprise Portal and LogicSQL-based enterprise archive and search system. The enterprise information resources integration and security search are completed in the search system.

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Abstract-Trusted computing is a hot topic of information security technology research nowadays. It was developed based on computed system. The paper analyzed the present situation about trusted computing. In order to satisfy the requirements of little enterprise and government, we designed and implemented the content management system (CMS) based on trusted computing. It improves the security of the enterprise information. Its implementation takes a good reference for improving the application of CMS.