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A novel DNA-inspired encryption strategy for concealing cloud storage

Frontiers of Computer Science 2021年第3期15卷 173-190页

作者： Abhishek MAJUMDAR Arpita BISWAS Atanu MAJUMDER Sandeep Kumar SOOD Krishna Lai BAISHNAB Department of Electronics and Communication Engineering NIT SilcharSilcharAssam-788010India National Informatics Centre AgartalaTripura-799001India Computer Science&Informatics Central University of Himachal PradeshDharamsalaHP-176206India

Over the last few years,the need of a cloud environment with the ability to detect illegal behaviours along with a secured data storage capability has increased *** study presents such a secured cloud storage framework comprising of a deoxyribonucleic acid(DNA)based encryption key which has been generated to make the framework unbreakable,thus ensuring a better and secured distributed cloud storage ***,this work proposes a novel DNA-based encryption technique inspired by the biological characteristics of DNA and the protein synthesis *** introduced DNA based model also has an additional advantage of being able to decide on selecting suitable storage servers from an existing pool of storage servers on which the data must be stored.A fuzzy-based technique for order of preference by similarity to ideal solution(TOFSIS)multi-criteria decisionmaking(MCDM)model has been employed to achieve the above-mentioned *** can decide the set of suitable storage servers and also results in a reduction in execution time by keeping up the level of security to an improved *** study also investigates and analyzes the strength of the proposed S-Box and encryption technique against some standard criteria and benchmarks,such as avalanche effect,correlation coefficient,information entropy,linear probability,and differential probability *** the avalanche effect analysis,the average change in cipher-text has been found to be 51.85%.Moreover,thorough security,sensitivity and functionality analysis show that the proposed scheme guarantees high security with robustness.

关键词： cloud storage security DNA cryptography fuzzy logic MCDM

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A Novel Provable Data Possession Scheme Based on Geographic Location Attribute

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China Communications 2016年第9期13卷 139-150页

作者： Yaxing Zha Shoushan Luo Jianchao Bian Wei Li National Engineering Laboratory of Disaster Backup and Recovery Beijing University of Posts and TelecommunicationsBeijing 100876China Information security Center Beijing University of Posts and TelecommunicationsBeijing 100876China

Increment of mobile cloud video motivates mobile users to utilize cloud storage service to address their demands, cloud storage provider always furnish a location-independent platform for managing user＇s data. However, mobile users wonder if their cloud video data leakage or dynamic migration to illegal service providers. In this paper, we design a novel provable data possession protocol based on data geographic location attribute, which allows data owner to auditing the integrity of their video data, which put forward an ideal choice for remote data possession checking in the mobile cloud storage. In our proposed scheme, we check out whether the video data dynamic migrate to an unspecified location （such as： overseas） by adding data geographic location attribute tag into provable data possession protocol. Moreover, we make sure the security of our proposed scheme under the Computational Diffic-Hellman assumption. The analysis and experiment results demonstrate that our proposed scheme is provably secure and efficient.

关键词： cloud storage security provable data possession geographic location security boundary CDH assumption

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