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Explosive growth in the number of passwords for web based applications and encryption keys for outsourced data storage well exceeds the management limit of users. Therefore, outsourcing keys (including passwords and data encryption keys) to professional password managers (honest-but-curious service providers) is attracting the attention of many users. However, existing solutions in a traditional data...
With the convenient connection to network, more and more individual information including sensitive information, such as contact list in Mobile Phone or PDA, can be delegated to the professional third service provider to manage and maintain. The benefit of this paradigm is, on one hand to avoid the sensitive information leakage when individual devices failed or lost, on the other hand to make only...
Database as a Service(DaaS) is a practical and useful paradigm, in which the Database Service Provider(DSP) hosts the delegated database generated from the Source DB of Data Owner(DO). Due to the untrusted DSP, most of the proposed approaches were concentrated on using encryption to guarantee the privacy of delegated database and using partition based index to speed up the query. However, few papers...
With the popular use of service-oriented technologies, database as a service (DaaS) as a new paradigm is becoming a more practical and useful model for those enterprises who can't afford the expensive DBMS products. However access control management by the database service provider (DSP) in the DaaS context is challenging because the DSP may be untrusted for the delegated data contents. In this paper,...
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