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A Provably Secure and Efficient Remote Password Authentication Scheme Using Smart Cards

Computers, Materials & Continua 2022年第6期71卷 6125-6145页

作者： Fairuz Shohaimay eddie shahril ismail Department of Mathematical Sciences Faculty of Science and TechnologyUniversiti Kebangsaan MalaysiaUKM Bangi43600SelangorMalaysia Department of Mathematics Faculty of Computer and Mathematical SciencesUniversiti Teknologi MARA PahangRaub CampusRaub27600PahangMalaysia

Communication technology has advanced dramatically amid the 21st century,increasing the security risk in safeguarding sensitive *** remote password authentication(RPA)scheme is the simplest cryptosystem that serves as the first line of defence against unauthorised entity *** the literature contains numerous RPA schemes,to the best of the authors’knowledge,only few schemes based on the integer factorisation problem(IFP)and the discrete logarithm problem(DLP)that provided a provision for session key agreement to ensure proper mutual ***,none of the previous schemes provided formal security proof using the random oracle ***,this study proposed an improved RPA scheme with session key establishment between user and *** design of the proposed RPA scheme is based on the widely established Dolev-Yao adversary ***,as the main contribution,a novel formal security analysis based on formal definitions of IFP and DLP under the random oracle model was *** proposed scheme’s performance was compared to that of other similar competitive schemes in terms of the transmission/computational cost and time *** findings revealed that the proposed scheme required higher memory storage costs in smart ***,the proposed scheme is more efficient regarding the transmission cost of login and response messages and the total time complexity compared to other scheme of similar security ***,the proposed scheme outperformed the other RPA schemes based on IFP and ***,the potential application of converting the RPA scheme to a user identification(UI)scheme is considered for future *** RPA and UI schemes are similar,the proposed approach can be expanded to develop a provably secure and efficientUI scheme based on IFP and DLP.

关键词： Authentication scheme discrete logarithm factorisation password provable security

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Recovery of bird communities following the construction of a large-scale hydroelectric dam

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Ecological Processes 2021年第1期10卷 408-417页

作者： Affan Nasruddin-Roshidi Mohammad Saiful Mansor Nor Adibah ismail Ehwan Ngadi Mohd Izzat-Husna shahril Mod Husin Farah Shafawati Mohd-Taib Rahmah Illias Shukor Md Nor Department of Biological Sciences and Biotechnology Faculty of Science and TechnologyUniversiti Kebangsaan Malaysia43600 BangiSelangorMalaysia Kolej GENIUS Insan Universiti Sains Islam MalaysiaBandar Baru Nilai71800 NilaiNegeri SembilanMalaysia TNB Research Sdn Bhd No.1Kawasan Institusi PenyelidikanJalan Ayer Itam43000 KajangSelangorMalaysia Department of Wildlife and National Parks(PERHILITAN) Km.10Jln Cheras56100 Kuala LumpurWilayah PersekutuanMalaysia.

Background:Habitat degradation is known to have a major impact on the composition of bird communities,yet how these communities recover following such disturbance is less *** study examined bird community changes from pre-logging to recovery over the course of habitat disturbance caused by the development of the Hulu Terengganu Hydroelectric Dam Project in Peninsular Malaysia,between 2007 and *** surveys were conducted using point count observations and mist netting in the dam area from the prelogging phase until the operation ***:It was observed that while bird species significantly declined after large-scale habitat clearance between the pre-logging and construction phases,they showed positive signs of recovery from the inundation to operation *** findings indicate that the bird community is still recovering,and the permanent loss of habitat required by most of the original species has not occurred,as evidenced by *** species composition differed across phases due to varying habitat *** turnover rate and immigration rate(recolonisation and newly recorded species)were higher between the construction and operation *** was also observed that insectivorous birds were more heavily affected than others by changes to the landscape,which highlights the versatility,survivability and tolerance of certain species to extreme disturbance and habitat ***:Although the operation phase showed an incremental change in bird species richness due to recolonisation and newly recorded species,this value remains far from that of the pre-logging *** predict that bird species recovery will continue to increase for some time before reaching a plateau among the newly created islands,reservoir and catchment area of the dam.

关键词： Dam construction Extinction Habitat recovery Recolonisation Turnover

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Potential therapeutic effects of thymoquinone on treatment of amphetamine abuse

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Asian Pacific Journal of Tropical Biomedicine 2018年第3期8卷 187-188页

作者： Nurul Farah Aina Md Fauzi Nor Hidayah Abu Bakar Nasir Mohamad Khairi Che Mat Syed Hadzrullathfi Syed Omar Mohd shahril Othman Rohayah Husain Muhamad Zaid ismail Faculty of Medicine University of Sultan Zainal Abidin Medical Campus Centre for Research in Addiction University of Sultan Zainal Abidin Gong Badak Campus Institute for Community Development & Quality of Life (iCODE) University of Sultan Zainal Abidin Gong Badak Campus Faculty of Contemporary Islamic Studies University of Sultan Zainal Abidin Gong Badak Campus Institute for Product Research and Civilization (INSPIRE) University of Sultan Zainal Abidin Gong Badak Campus

Dear Editor,The prevalence of drug abuse has diverted from traditional drugs such as opioid and cannabis to modern,synthetic and psychoactive drugs such as amphetamine groups,the amphetamine(AT)and methamphetamine[1].Amphetamine is used medically to treat several disorders such as attention deficit hyperactivity disorder,narcolepsy,depression and minor obesity[2].However,AT has also gained

关键词： Potential therapeutic effects of thymoquinone on treatment of amphetamine abuse AT

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