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Article type: Research Article
Authors: Pavithra, P.a | Hariharan, B.b; *
Affiliations: [a] Department of Computer Science and Engineering, RMK College of Engineering and Technology, Thiruvallur, India | [b] Department of Computational Intelligence, School of Computing, SRM Institute of Science and Technology, Kattankulathur, India
Correspondence: [*] Corresponding author. B. Hariharan, Department of Computational Intelligence, School of Computing, SRM Institute of Science and Technology, Kattankulathur, India. E-mail: hariharanresearch2021@gmail.com.
Abstract: Cloud computing become increasingly more famous consistently, as numerous associations tend to outsource their information. With the outbreak of email message leakage, the protection and security of sensitive email data have become clients’ essential concerns. Encrypted email data is a superior method to ensure security, yet it will enormously restrict the searching. To take care of this difficulty keyword-based search over encrypted information is presented. The current search strategies permit the client to search utilizing just the specific keywords. There is no capacity to bear errors and format irregularities. In order to overcome those drawbacks, optimal secured fuzzy-based multi-keyword search over encrypted email data is proposed here. The email sender encrypts the email data before outsourcing the data to a cloud server. For encryption, the proposed method utilizes the optimal secure XOR (OSXOR) encryption algorithm. Here the key value is optimally selected by the mayfly optimization algorithm (MOA). After the encryption, the encrypted email is outsourced to the cloud server. The data owner creates an encrypted searchable index using an input file to enable querying across encrypted emails and then assigns either the index or the gathering of encrypted messages to a cloud server. The receiver receives them from the cloud server and is fed back information, but it is unable to comprehend the signal. The recipient of the encrypted email can decode it and create a search trapdoor in the encrypted email database. For searching, fuzzy-based multi-keyword search is proposed. The effectiveness of the proposed methodology is analyzed in terms of different metrics namely, Memory Usage, Execution time, Encryption and decryption time and search time. The experimental result shows that the proposed method takes a minimum search time is 0.51 s and it achieves maximum searching accuracy of 98%. The implementation is done in JAVA with a Cloud simulator.
Keywords: Cloud computing, encryption, decryption, mayfly optimization, fuzzy-based multi keyword search and search time
DOI: 10.3233/JIFS-213521
Journal: Journal of Intelligent & Fuzzy Systems, vol. 43, no. 6, pp. 7363-7375, 2022
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