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Decentralized multi-authority attribute-based encryption (ABE) has been adopted to protect outsourced data. However, there are some security issues. Firstly, the user's attributes information is leaked to the authorities and secondly, the access structure being sent along with ciphertext violates its privacy. To address these issues, an efficient decentralized attribute-based encryption scheme with...
Location-Based Service (LBS) has become a vital part of our daily life. While enjoying the convenience provided by LBS, users may lose privacy since the untrusted LBS server has all the information about users in LBS and it may track them in various ways or release their personal data to third parties. To address the privacy issue, we propose a Dummy-Location Selection (DLS) algorithm to achieve k-anonymity...
Radio frequency identification technology has been increasingly used in many applications. However, there are many threats and security risks in the RFID systems since an insecure wireless channel exists between the reader and the tags. The security of RFID protocols must be designed and proved with careful cryptanalysis. In this paper, we analyze some RFID authentication protocols proposed recently...
With the increasing complexity of software system, the reusable design and implementation of connector are becoming more and more significant for software architecture. However, some non-functional concerns (e.g. safety and quality etc.) provided by connector have crosscutting attributes, and which often cause connector hard to reuse. Therefore this paper presents an aspect-oriented approach to improve...
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