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Identity-Based Encryption Using Bilinear Pairing
Author(s): 
Pages: 34-39
Year: Issue:  2
Journal: Beijing Electronics Information Time Guiding

Keyword:  identity-based encryptionprivate key sharingThreshold Secret Sharing Schemeanalysis of performancesecurity proof;
Abstract: In order to solve the user’s private key sharing problem in the authenticated identity-based encryption scheme. This paper,based on the BF-IBE schemes,combined with Threshold Secret Sharing Scheme,proposes two new improvements. With the existing schemes,the poper makes a comparative analysis of performance. Analysis showes that the new schemes had the equivalent computing and communication costs. But the user’s private key sharing is safer. Furthermore,the security of the new schemes is proved.
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