Citation

Chan, Koon Ming and Heng, Swee Huay and Yau, Wei Chuen and Tan, Shing Chiang (2022) Trapdoor Privacy in Public Key Encryption with Keyword Search: A Review. IEEE Access. p. 1. ISSN 2169-3536

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Abstract

The public key encryption with keyword search (PEKS) scheme allows searches to be performed over ciphertext by a server in a public-key setting. The PEKS scheme suffers from a major drawback which is keyword guessing attack. A keyword guessing attack (KGA) allows the attacker to successfully guess the correct keyword encrypted in a searchable ciphertext and trapdoor. To overcome this vulnerability, security notions, such as keyword privacy and trapdoor privacy were introduced. Keyword privacy prevents any information leaked from the keyword itself, and similarly trapdoor privacy prevents any information leaked from the trapdoor side. A PEKS scheme that is secure against KGA should satisfy trapdoor privacy. In this paper, we compare various types of PEKS schemes in terms of their underlying computational hardness, system model, search function, security properties of keyword privacy and trapdoor privacy, and security against offline KGA and online KGA. From the comparison analysis, we draw some potential research directions.

Item Type:	Article
Uncontrolled Keywords:	PEKS, Searchable Encryption, Trapdoor Privacy
Subjects:	T Technology > T Technology (General)
Divisions:	Faculty of Information Science and Technology (FIST)
Depositing User:	Ms Nurul Iqtiani Ahmad
Date Deposited:	03 Mar 2022 02:35
Last Modified:	03 Mar 2022 02:35
URII:	http://shdl.mmu.edu.my/id/eprint/10019

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