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Cloud computing is gaining tremendous momentum in both academia and industry, with more and more people and enterprises migrating their data and applications into the cloud. Cloud computing provides a new computing model with elastic scaling, a resource pool of unprecedented size, and the on-demand resource provisioning mechanism, which bring numerous challenges in implementing workflow management...
Information is an irreversible general trend of social and world economy's development. E-government means to make full use of information technology to enhance the effective management of the government, in order to promote transformation of government functions and improve management level. However, e-government faces with some problems, such as security issues. First, this paper analyzes the characteristics...
This paper analyzes the limitation of conventional digital multi-signature. By utilizing the structure predominance of the XML documents and the security of conventional digital signature, we propose a multi-signature scheme of XML documents based on RSA. In our scheme, we use the Xpath to transform an XML document into subdocument, and each participant signer signs the sub-document that they are...
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