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關于舉辦Willy Susilo教授學術講座的通知

發布時間:2020年09月15日

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應我校網絡空間安全學院邀請,澳大利亞臥龍崗大學Willy Susilo教授將于9月16日線上做專題學術講座,歡迎廣大師生參加!報告的具體安排如下:

報告題目:PKE-MET: Public-Key Encryption with Multi-Ciphertext Equality Test in Cloud Computing

報 告 人:Willy Susilo 教授

報告時間:2020年9月16日(周三)15:30—17:30

報告地點:騰訊會議 (ID:505 828 655)

摘    要: Cloud computing enables users to remove the necessity of the need of local hardware architecture. To protect users’ privacy, data is usually encrypted prior to being sent to the cloud server. As the resulting system is unusable, since the cloud can no longer search throughout the data, new cryptographic primitive such as public-key encryption with equality test (PKEET) has been introduced. In PKEET, users can test whether the underlying messages of two ciphertexts encrypted under different public keys are equal or not without the need to decrypt those ciphertexts. However, in practice, the cloud server may need to verify the equivalence among more than two ciphertexts. This leads to disclosing unnecessary information of users and redundant computation cost will also occur when using traditional PKEET schemes. How to make this more efficient and practical remains an interesting research problem.

This paper solved the aforementioned problems by providing a novel concept of public-key encryption with multi-ciphertext equality test (PKE-MET). In PKE-MET, each ciphertext can designate a number such that the cloud server can only perform equality test on this ciphertext with other ciphertexts, where all their designated numbers are s. For PKE-MET, besides traditional OW-CPA and IND-CPA security, we specially define Number security.

報告人簡介:Willy Susilo is a Senior Professor in the School of Computing and Information Technology, Faculty of Engineering and Information Sciences at the University of Wollongong (UOW), Australia. He is the director of Institute of Cybersecurity and Cryptology, School of Computing and Information Technology, UOW and the Head of School of Computing and Information Technology at UOW (2015 - now). He is the Editor-in-Chief of the Elsevier’s Computers Standards and Interface and the MDPI’s Information journal. He is currently an Associate Editor of TDSC. He has also served as the program committee member of several international conferences.

特此通知。

網絡空間安全學院

國際合作與交流處

歸國留學人員聯誼會

2020年9月15日


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