5 articles for “Sattar J. Aboud”

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Research ArticleOpen accessIn the author namesAnonymous and Non-Repudiation E-Payment ProtocolSattar J Aboud, Mohammed Ahmed AL-FayoumiThere are many proposals offer anonymous and non-repudiation e-payment protocols. But they have the drawbacks that the anonymity can be misused by fraudulent to perform a perfect crimes. Currently, the hot research concentrates on the accepting of e-payment protocols where the anonymity of the coins is cancelable via a trusted authority in the case of criminal entities. In the article … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 7,274 accessesView PDF Cite

Research ArticleOpen accessIn the author namesAn Adjustable Sample Size Estimation Model for Usability AssessmentHaidar S. Jabbar, T.V. Gopal, Sattar J. AboudUsability assessment plays a fundamental role in discovering usability problems and the determination of the level of usability for a given software product. One crucial aspect in every usability assessment is the estimation of the sample size desired for a software product. Once we start estimating the sample size needed for a usability assessment, a baffling question comes in mind: … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 6,966 accessesView PDF Cite

Research ArticleOpen accessIn the author namesA Different Text Attack Algorithm in Integer Factoring Based SchemesMohammed A. AL-Fayoumi, Sattar J. Aboud, Musbah M. AqelText attack in integer factoring based schemes is generally calculated as an intrinsic characteristic of its symmetric attack. In this article, we illustrate that asymmetric integer factoring based schemes are also vulnerable to a text attack. Also, we show that a single message is required to increase a successful text attack versus the Lucas scheme. …Journal of Computer Science, Vol. 3, Issue 6 · 30 Jun 2007 · 6,654 accessesView PDF Cite

Research ArticleOpen accessIn the author namesAn Integrated Quantitative Assessment Model For Usability EngineeringHaidar S. Jabbar, T. V. Gopal, Sattar J. AboudMany different quantitative assessment models have been proposed to measure and report the usability of a general software product for various business and design purposes. However, there are several problems coupled with existing models that consequently bias and affect the process and results of the usability assessment. Moreover, they do not aid their usage by analysts who are not experienced … …Journal of Computer Science, Vol. 3, Issue 5 · 31 May 2007 · 6,702 accessesView PDF Cite

Research ArticleOpen accessIn the author namesSecure Mobile Trade AgentMusbah M. Aqel, Sattar J. Aboud, Mohammed A. AL-FayoumiE-commerce on the internet has the ability to produce millions of transactions and a great number of merchants whose supply merchandise over the internet. As a result, it is difficult for entities to roam over every site on the internet and choose the best merchandise to trade. So, in this paper we introduced a mobile trade agent that visit the … …Journal of Computer Science, Vol. 3, Issue 5 · 31 May 2007 · 6,766 accessesView PDF Cite