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135 articles for “hash”
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Research ArticleOpen accessEvery word in the titleA Practical and Secure Hash Function-Based Password Authentication SchemeMuhammad Helmi Ali, Eddie Shahril Ismail, Firdaus Mohamad HamzahIn this study, we propose a practical and secure hash function-based password authentication scheme using smart cards. Our proposed scheme offers some advantages and interesting features. Firstly, the scheme does not require a verification table and is secure against the replay attacks, an attack that most of the existing schemes suffer. Secondly, any user of the scheme be allowed to … …Journal of Computer Science, Vol. 15, Issue 7 · 17 Jul 2019 · 7,738 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOmega Network Hash ConstructionChai Wen Chuah, Azman SamsudinProblem statement: Cryptographic hash functions are important cryptographic primitives. They are commonly used for data integrity checking and data authentication. Most of the cryptographic hash functions are based on the Merkle-Damgård construction. The basic Merkle-Damgård construction runs over the input sequentially, which can lead to problems when the input size is large since the computation time increases linearly. Approach: Therefore, … …Journal of Computer Science, Vol. 5, Issue 12 · 31 Dec 2009 · 7,123 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePrototype-Based Sample Selection for Active HashingCheong Hee ParkSeveral hashing-based methods for Approximate Nearest Neighbors (ANN) search in a large data set have been proposed recently. In particular, semi-supervised hashing utilizes semantic similarity given for a small fraction of pairwise data samples and active hashing aims to improve the performance for ANN search by relying on an expert for the labeling of the most informative points. In this … …Journal of Computer Science, Vol. 11, Issue 7 · 2 Nov 2015 · 6,736 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleProtocol of Secure Key Distribution Using Hash Functions and Quantum Authenticated Channels (KDP-6DP)Mohammed Munther A. Majeed, Khalid A.S. Al-Khateeb, Mohamed R. Wahiddin, Magdy M. SaebProblem statement: In previous researches, we investigated the security of communication channels, which utilizes authentication, key distribution between two parties, error corrections and cost establishment. In the present work, we studied new concepts of Quantum Authentication (QA) and sharing key according to previous points. Approach: This study presented a new protocol concept that allows the session and key generation on-site … …Journal of Computer Science, Vol. 6, Issue 10 · 24 Aug 2010 · 8,271 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleE-GENMR: Enhanced Generalized Query Processing using Double Hashing Technique through MapReduce in Cloud Database Management SystemShweta Malhotra, Mohammad Najmud Doja, Bashir Alam, Mansaf AlamBig Data, Cloud computing and Data Science is the booming future of IT industries. The common thing among all the new techniques is that they deal with not just Data but Big Data. Users store various kinds of data on cloud repositories. Cloud Database Management System deals with these large sets of data. Cloud Database service provider deals with many … …Journal of Computer Science, Vol. 13, Issue 7 · 14 Jul 2017 · 7,566 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAssessment of Special Needs People Towards Environmental Awareness in the Hashemite Kingdom of JordanAyed Hanna Ziadat, Anf Hanna ZiadatProblem statement: This research examines knowledge and attitudes towards environmental awareness among special needs individuals in the Hashemite Kingdom of Jordan. The population census of (136) special needs individuals with different types of disabilities; physical impairments, visual impairments and hearing impairments from different locations of the Hashemite Kingdom of Jordan participated in the survey and completed the questionnaire in 2010. … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 7,337 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Safe Method of Storing and Exchanging Electronic Health Records Using Smart Contracts and Blockchain Technology Using Fully Hashed Menezes-Qu-Vanstone AlgorithmMeenakshi Vashisth, Raju RanjanElectronic Health Records (EHRs) are essential for clinicians, patients, and researchers because they support timely care and informed decision-making. For this reason, digital health information must be collected, managed, and stored with strong protections to preserve privacy and prevent tampering. One approach to strengthening security is to use blockchain-based storage alongside smart contracts and controlled data sharing, which can help … …Journal of Computer Science, Vol. 22, Issue 2 · 21 Feb 2026 · 1,635 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSecurity based Approach of SHA 384 and SHA 512 Algorithms in Cloud EnvironmentThambusamy Velmurugan, Sivakumar KarthigaCloud computing is going to be the next big thing in the era of internet world. As the world moves ahead towards enhancement of the cloud features we also have to take a serious consideration of the enhancing cloud securities to protect the end-user’s data. The major usage of this cloud feature are widely applied in the cloud based IT … …Journal of Computer Science, Vol. 16, Issue 10 · 28 Oct 2020 · 6,841 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Secure Model for Storage and Dissemination of Examination Results: A Case Study of Zambia Technical Education Vocational and Entrepreneurship Training AuthorityLister Mseteka, Jackson PhiriMost developing countries and public higher institutions of learning have low levels of Information and Communication Technology (ICT) and hence face challenges in securing information and information systems. Therefore, dissemination of examination results through web and mobile applications usually raise security concerns on how to ensure the confidentiality, integrity and authenticity of students’ examination results due to susceptibility of web … …Journal of Computer Science, Vol. 15, Issue 2 · 1 Feb 2019 · 8,058 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAn Efficient Approach for Query Processing Over Encrypted DatabaseJaafer Al-SarairehA novel approach proposes in this research to improve the performance of the query over encrypted database. This approach based on using hash map function to generate a unique hash value for each and every sensitive data. In this a proposed approach, there are no relationship between the hashed value and encrypted value. This method can reduce the cost of … …Journal of Computer Science, Vol. 13, Issue 10 · 18 Oct 2017 · 7,173 accessesView PDFCite