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Tunneling of massive vector particles under influence of quantum gravity

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Chinese Physics C 2020年第1期44卷 149-158页

作者： wajiha Javed Riasat ali Rimsha Babar aliÖvgün Division of Science and Technology University of EducationTownship-LahorePakistan Department of Mathematics Government CollegeUniversity Faisalabad Layyah CampusLayyah-31200Pakistan Instituto de Física Pontificia Universidad Católica de ValparaísoCasilla 4950ValparaísoChile Physics Department Faculty of Arts and SciencesEastern Mediterranean UniversityFamagustaNorth Cyprusvia Mersin 10Turkey

This study set out to investigate charged vector particles tunneling via horizons of a pair of accelerating rotating charged NUT black holes under the influence of quantum *** this end,we use the modified Proca equation incorporating generalized uncertainty *** the WKB approximation to the field equation,we obtain a modified tunneling rate and the corresponding corrected Hawking temperature for this black ***,we analyze the graphical behavior of the corrected Hawking temperature T'_H with respect to the event horizon for the given black *** considering quantum gravitational effects on Hawking temperatures,we discuss the stability analysis of this black *** a pair of black holes,the temperature T'_H increases with the increase in rotation parameters a andω,correction parameterβ,black hole acceleration a,and arbitrary parameter k,and decreases with the increase in electric e and magnetic charges g.

关键词： massive boson particles wave equation quantum gravity Hawking radiation black hole thermodynamics

Two Layer Symmetric Cryptography Algorithm for Protecting Data from Attacks

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Computers, Materials & Continua 2023年第2期74卷 2625-2640页

作者： Muhammad Nadeem ali Arshad Saman Riaz Syeda wajiha Zahra Shahab SBand Amir Mosavi Department of Computer Science Abasyn UniversityIslamabad44000Pakistan Department of Computer Science National University of TechnologyIslamabad44000Pakistan Future Technology Research Center National Yunlin University of Science and TechnologyDouliuYunlin64002Taiwan Institute of Information Society University of Public ServiceBudapest1083Hungary John Von Neumann Faculty of Informatics Obuda UniversityBudapestHungary Institute of Information Engineering Automation and MathilticsSlovak University of Technology in BratislavaSlovakia

Many organizations have insisted on protecting the cloud server from the outside,although the risks of attacking the cloud server are mostly from the *** are many algorithms designed to protect the cloud server from attacks that have been able to protect the cloud server ***,the attackers have designed even better mechanisms to break these security *** cryptography is the best data protection algorithm that exchanges data between authentic *** this article,one symmetric cryptography algorithm will be designed to secure cloud server data,used to send and receive cloud server data securely.A double encryption algorithm will be implemented to send data in a secure ***,the XOR function will be applied to plain text,and then salt technique will be ***,a reversing mechanism will be implemented on that data to provide more data *** decrypt data,the cipher text will be reversed,salt will be removed,andXORwill be *** the end of the paper,the proposed algorithm will be compared with other algorithms,and it will conclude how much better the existing algorithm is than other algorithms.

关键词： Cryptography symmetric algorithm encryption decryption cipher text cloud security asymmetric algorithm

An Efficient Technique to Prevent Data Misuse with Matrix Cipher Encryption Algorithms

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Computers, Materials & Continua 2023年第2期74卷 4059-4079页

作者： Muhammad Nadeem ali Arshad Saman Riaz Syeda wajiha Zahra Ashit Kumar Dutta Moteeb Al Moteri Sultan Almotairi Department of Computing Abasyn UniversityIslamabadPakistan Department of Computer Science National University of TechnologyIslamabadPakistan Department of Computer Science and Information Systems College of Applied SciencesAlMaarefa UniversityRiyadh13713Kingdom of Saudi Arabia Department of Management Information Systems Business Administration CollegeKing Saud UniversityRiyadh11451Saudi Arabia Department of Natural and Applied Sciences Faculty of Community CollegeMajmaah UniversityMajmaah11952Saudi Arabia

Many symmetric and asymmetric encryption algorithms have been developed in cloud computing to transmit data in a secure *** cryptography is a data encryption mechanism that consists of different steps and prevents the attacker from misusing the *** paper has developed an efficient algorithm to protect the data from invaders and secure the data from *** this algorithm is applied to the cloud network,the attacker will not be able to access the *** encrypt the data,the values of the bytes have been obtained by converting the plain text to ASCII.A key has been generated using the Non-Deterministic Bit Generator(NRBG)mechanism,and the key is XNORed with plain text bits,and then Bit toggling has been *** that,an efficient matrix cipher encryption algorithm has been developed,and this algorithm has been applied to this *** capability of this algorithm is that with its help,a key has been obtained from the plain text,and only by using this key can the data be decrypted in the first steps.A plain text key will never be used for another plain *** data has been secured by implementing different mechanisms in both stages,and after that,a ciphertext has been *** the end of the article,the latest technique will be compared with different *** will be a discussion on how the present technique is better than all the other techniques;then,the conclusion will be drawn based on comparative analysis.

关键词： Symmetric cryptography ciphertext encryption decryption cloud security matrix cipher

An Innovative Approach Using TKN-Cryptology for Identifying the Replay Assault

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Computers, Materials & Continua 2024年第1期78卷 589-616页

作者： Syeda wajiha Zahra Muhammad Nadeem ali Arshad Saman Riaz Muhammad Abu Bakr Ashit Kumar Dutta Zaid Alzaid Badr Almutairi Sultan Almotairi Department of Computer Science Alhamd Islamic UniversityIslamabad44000Pakistan Department of Computer Science and Technology University of Science and Technology BeijingBeijing100083China Department of Computer Science National University of TechnologyIslamabad44000Pakistan Department of Electrical Engineering National University of TechnologyIslamabad44000Pakistan Department of Computer Science and Information Systems College of Applied SciencesAlMaarefa UniversityRiyadh13713Saudi Arabia Department of Computer Science Faculty of Computer and Information SystemsIslamic University of MadinahMedinah42351Saudi Arabia Department of Information Technology College of Computer Sciences and Information Technology CollegeMajmaah UniversityAl-Majmaah11952Saudi Arabia Department of Natural and Applied Sciences Faculty of Community CollegeMajmaah UniversityMajmaah11952Saudi Arabia

Various organizations store data online rather than on physical *** the number of user’s data stored in cloud servers increases,the attack rate to access data from cloud servers also *** researchers worked on different algorithms to protect cloud data from replay *** of the papers used a technique that simultaneously detects a full-message and partial-message replay *** study presents the development of a TKN(Text,Key and Name)cryptographic algorithm aimed at protecting data from replay *** program employs distinct ways to encrypt plain text[P],a user-defined Key[K],and a Secret Code[N].The novelty of the TKN cryptographic algorithm is that the bit value of each text is linked to another value with the help of the proposed algorithm,and the length of the cipher text obtained is twice the length of the original *** the scenario that an attacker executes a replay attack on the cloud server,engages in cryptanalysis,or manipulates any data,it will result in automated modification of all associated values inside the *** mechanism has the benefit of enhancing the detectability of replay ***,the attacker cannot access data not included in any of the papers,regardless of how effective the attack strategy *** the end of paper,the proposed algorithm’s novelty will be compared with different algorithms,and it will be discussed how far the proposed algorithm is better than all other algorithms.

关键词： Replay attack malware message attack file encryption cryptology data security

Hill Matrix and Radix-64 Bit Algorithm to Preserve Data Confidentiality

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Computers, Materials & Continua 2023年第5期75卷 3065-3089页

作者： ali Arshad Muhammad Nadeem Saman Riaz Syeda wajiha Zahra Ashit Kumar Dutta Zaid Alzaid Rana Alabdan Badr Almutairi Sultan Almotairi Department of Computer Science National University of TechnologyIslamabadPakistan Department of Computing Abasyn UniversityIslamabadPakistan Department of Computer Science and Information Systems College of Applied SciencesAlMaarefa UniversityRiyadh13713Saudi Arabia Department of Computer Science Faculty of Computer and Information SystemsIslamic university of MadinahMedinah42351Saudi Arabia Department of Information Systems Faculty of Computer and Information Sciences CollegeMajmaah University11952Saudi Arabia Department of Information Technology College of Computer Sciences and Information Technology CollegeMajmaah UniversityAl-Majmaah 11952Saudi Arabia Department of Natural and Applied Sciences Faculty of Community CollegeMajmaah UniversityMajmaah11952Saudi Arabia

There are many cloud data security techniques and algorithms available that can be used to detect attacks on cloud data,but these techniques and algorithms cannot be used to protect data from an *** cryptography is the best way to transmit data in a secure and reliable *** researchers have developed various mechanisms to transfer data securely,which can convert data from readable to unreadable,but these algorithms are not sufficient to provide complete data *** algorithm has some data security *** some effective data protection techniques are used,the attacker will not be able to decipher the encrypted data,and even if the attacker tries to tamper with the data,the attacker will not have access to the original *** this paper,various data security techniques are developed,which can be used to protect the data from attackers ***,a customized American Standard Code for Information Interchange(ASCII)table is *** value of each Index is defined in a customized ASCII *** an attacker tries to decrypt the data,the attacker always tries to apply the predefined ASCII table on the Ciphertext,which in a way,can be helpful for the attacker to decrypt the *** that,a radix 64-bit encryption mechanism is used,with the help of which the number of cipher data is doubled from the original *** the number of cipher values is double the original data,the attacker tries to decrypt each *** of getting the original data,the attacker gets such data that has no relation to the original *** that,a Hill Matrix algorithm is created,with the help of which a key is generated that is used in the exact plain text for which it is created,and this Key cannot be used in any other plain *** boundaries of each Hill text work up to that *** techniques used in this paper are compared with those used in various papers and discussed that how far the current algorithm is better than all other algorit

关键词： Cryptography symmetric cipher text encryption matrix cipher encoding decoding hill matrix 64-bit encryption

Impact of environmental factors on COVID-19 cases and mortalities in major cities of Pakistan

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Journal of Biosafety and Biosecurity 2021年第1期3卷 10-16页

作者： Rabia Basray Amber Malik wajiha Waqar Ambreen Chaudhry Muhammad Wasif Malik Mumtaz ali Khan Jamil A.Ansari Aamir Ikram National Institute of Health Islamabad Pakistan

Introduction:Climate factors play an important role in the transmission of viruses,such as influenza viruses,MERS-CoV,and *** study aimed to determine the relationship between changes in temperature,humidity,rainfall,and SARS-CoV-2 *** ecologically and climatically distinct regions were considered—Karachi,Lahore,Islamabad,Peshawar,and ***:Data on daily COVID-19 cases and deaths were retrieved from government officials,while meteorological information was collected from Pakistan Meteorological *** analysis was performed using SPSS version 20 and the Spearman rank correlation test was used to analyze the correlation between the meteorological factors and COVID-19 cases and ***:Positive correlation of COVID-19 incidence was observed with all the temperature ranges(maximum,minimum and average)and negative correlation was seen with humidity,DTR and ***-19 deaths were positively associated with temperature and were negatively associated only with *** regression showed that for every unit increase in humidity,there was a3.345 daily signifi-cant decrease in COVID-19 cases,while in Karachi for every unit increase in humidity,there remained a 10.104 daily significant increase in *** Gilgit-Baltistan,for every unit increase in average temperature and rainfall respectively,significant increases of 0.534 and 1.286 in daily cases were ***:This study signifies the effect of climate factors on COVID-19 incidence and mortality rate,but climate factors are not the only variable and several other interlinked factors enhance the spread of ***,effective mitigation policies,enhancing testing capacities,and developing public attitudes toward adopting precautionary measures are important to overcome this overwhelming pandemic.

关键词： Climate COVID-19 Mortality Pakistan

Bioprospecting plants for natural antioxidants:An overview

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Journal of Coastal Life Medicine 2016年第10期4卷 824-832页

作者： Huma Qureshi Muhammad Arshad wajiha Seerat Faryal Kabir Sammer Fatima Department of Botany Pir Mehr Ali Shah Arid Agriculture UniversityRawalpindi 46300Pakistan Department of Biochemistry and Biotechnology Pir Mehr Ali Shah Arid Agriculture UniversityRawalpindi 46300Pakistan Department of Botany University of GujratHafiz Hayat CampusGujrat 50800Pakistan

Reactive oxygen species damage cellular proteins and lipids or form DNA adducts when present in high concentration that promotes carcinogenic *** have been the primary therapy for such ailments since ancient *** paper reviews some medicinal plants having antioxidant activities useful for healing cancer,cardiovascular diseases and neuro-protection.A brief overview of the use of medicinal plants and their main constituents effective against reactive oxygen species-based diseases are *** overview will attract the interest of investigators aiming at the design of novel therapeutic approaches for the treatment of various reactive oxygen species-based conditions.

关键词： Medicinal plants Anticancer Neuroprotective Cardioprotectant

Long-term outcomes of titanium-nitride-oxide coated stents and drug-eluting stents in acute coronary syndrome:A systematic review and meta-analysis

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World Journal of Cardiology 2024年第5期16卷 293-305页

作者： Muhammad Ahmed ali Fahim Afia Salman Hira Anas Khan Syed Muhammad Hasan Muskan FatimaBhojani Sarah Aslam Amna Zia Ul Haq Vishal Reddy Bejugam Beena Muntaha Nasir wajiha Gul Abdul Moeed Abdelrahman S Abdalla Muhammad Majid Muhammad Sohaib Asghar Md Al Hasibuzzaman Department of Internal Medicine Dow University of Health SciencesKarachi 74200Pakistan Department of Internal Medicine North Central Bronx HospitalBronxNY 10467United States Department of Urology Center for Academic MedicineStanford University School of MedicinePalo AltoCA 33872United States Department of Cardiovascular Imaging Cleveland ClinicClevelandOH 44195United States Division of Nephrology and Hypertension Mayo Clinic RochesterRochesterMN 55905United States Institute of Nutrition and Food Science University of DhakaDhaka 1000Bangladesh

BACKGROUND In severe cases of coronary artery disease,percutaneous coronary intervention provide promising *** stent used could be a drug-eluting stent(DES)or a titanium-nitride-oxide coated stent(TiNOS).AIM To compare the 5-year effectiveness and safety of the two stent *** The following systematic review and meta-analysis was conducted in accordance with the preferred reporting items for systematic reviews and meta-analysis guidelines,and PubMed/MEDLINE,Scopus,and Cochrane Central were searched from inception till August *** outcomes were major adverse cardiac events(MACE),cardiac death,myocardial infarction(MI),cardiac death or MI,and ischemia-driven total lesion revascularization(ID-TLR).RESULTS Four randomized controlled trials(RCT),which analyzed a sum total of 3045 patients with acute coronary syndrome(ACS)after a median follow-up time of 5 years were *** statistically insignificant,an increase in the ID-TLR was observed in patients receiving TiNOSs vs *** addition,MI,cardiac death and MI,and definite stent thrombosis(DST)were significantly decreased in the TiNOS *** analysis revealed no significant results with meta-regression presenting non-ST elevated MI(NSTEMI)as a statistically significant covariate in the outcome of *** TiNOS was found to be superior to DES in terms of MI,cardiac death or MI,and DST outcomes,however,the effect of the two stent types on ID-TLR and MACE was not significant.A greater number of studies are required to establish an accurate comparison of patient outcomes in TiNOS and DES.

关键词： Stents Drug-eluting Major adverse cardiac events All-cause death Meta-analysis