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Two-Factor Data Security Protection Mechanism for Cloud Storage System

Liu, Joseph K, Liang, Kaitai, Susilo, Willy, Liu, Jianghua and Xiang, Yang (2015) Two-Factor Data Security Protection Mechanism for Cloud Storage System IEEE Transactions on Computers, 65 (6). pp. 1992-2004.

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Abstract

—In this paper, we propose a two-factor data security protection mechanism with factor revocability for cloud storage system. Our system allows a sender to send an encrypted message to a receiver through a cloud storage server. The sender only needs to know the identity of the receiver but no other information (such as its public key or its certificate). The receiver needs to possess two things in order to decrypt the ciphertext. The first thing is his/her secret key stored in the computer. The second thing is a unique personal security device which connects to the computer. It is impossible to decrypt the ciphertext without either piece. More importantly, once the security device is stolen or lost, this device is revoked. It cannot be used to decrypt any ciphertext. This can be done by the cloud server which will immediately execute some algorithms to change the existing ciphertext to be un-decryptable by this device. This process is completely transparent to the sender. Furthermore, the cloud server cannot decrypt any ciphertext at any time. The security and efficiency analysis show that our system is not only secure but also practical.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Computing Science
Authors :
NameEmailORCID
Liu, Joseph KUNSPECIFIEDUNSPECIFIED
Liang, Kaitaik.liang@surrey.ac.ukUNSPECIFIED
Susilo, WillyUNSPECIFIEDUNSPECIFIED
Liu, JianghuaUNSPECIFIEDUNSPECIFIED
Xiang, YangUNSPECIFIEDUNSPECIFIED
Date : 29 July 2015
Identification Number : 10.1109/TC.2015.2462840
Copyright Disclaimer : 0018-9340 © 2015 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.
Uncontrolled Keywords : Two-factor; factor revocability; security; cloud storage
Depositing User : Jane Hindle
Date Deposited : 31 Oct 2017 09:11
Last Modified : 31 Oct 2017 09:11
URI: http://epubs.surrey.ac.uk/id/eprint/844691

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