ali azougaghe

Université Mohammad V - Souissi, Informatique, Phd

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A New Quantum-Resistant Electronic Voting Based on Fully Homomorphic Encryption

Lecture notes in electrical engineering, 2024

Implementation of the Business Process Model and Notation in the Modelling of Patient’s Clinical Workflow in Oncology

Intelligent Systems Design and Applications, 2022

Comparative Study on the McEliece Public-Key Cryptosystem Based on Goppa and QC-MDPC Codes

A New Quantum Resistant Electronic Voting Scheme Based on Fully Homomorphic Encryption

The emergence of large quantum computers running Shor’s algorithm threatens the security of sever... more The emergence of large quantum computers running Shor’s algorithm threatens the security of several cryptographic schemes in current use, including electronic voting. As a consequence, many post-quantum candidates that are quantum-resistant are actively investigated. Post quantum schemes based hard lattice problems are particularly promising. In this paper, we present and implement a new quantum-resistant electronic voting scheme and prove its efficiency and security by studying its algebraic complexity. Our scheme is based on a combination of two techniques: hard lattice problems and homomorphic encryption with Fan and Vercauteren system.

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Comparative Study on the McEliece Public-Key Cryptosystem Based on Goppa and QC-MDPC Codes

A New Electronic Voting System Based on Elliptic Curve in a Cloud Computing Environment

Advances in Intelligent Systems and Computing, 2021

An efficient algorithm for data security in Cloud storage

International Conference on Intelligent Systems Design and Applications, 2015

Cloud computing has now become a major trend, it is a new data hosting technology that is Very po... more Cloud computing has now become a major trend, it is a new data hosting technology that is Very popular in recent years thanks to the amortization of costs it induces to companies. In this paper we present the major security issues in cloud computing and we also propose a simple, secure, and privacy-preserving architecture for inter-Cloud data sharing based on an encryption/decryption algorithm which aims to protect the data stored in the cloud from the unauthorized access.

An electronic voting system based on homomorphic encryption and prime numbers

2015 11th International Conference on Information Assurance and Security (IAS), 2015

In this paper we present an electronic voting system based on homomorphic encryption to ensure pr... more In this paper we present an electronic voting system based on homomorphic encryption to ensure privacy, confidentiality in the voting. Our proposal offers all the advantages of the multiplicatively homomorphic encryption cryptosystems. The proposed voting scheme is suitable for multi-candidate elections as well as for elections in which contains neutral votes.

Many-to-one matching game towards secure virtual machines migration in cloud computing

Virtual machine migration represents a new topic of research last years. In this context, we pres... more Virtual machine migration represents a new topic of research last years. In this context, we present a new system based on matching game theory to design efficient and practical migration algorithms that work well with huge numbers of VMs and servers. This strategy solves VM migration, resources managements and load balancing problems in cloud computing environment. The experimental results show that our algorithm not only obtains multi-resource load balancing performance but also improves the cloud security services and gets a gain of resources consummation on all servers.

New technique of localization a targeted Virtual Machine in a Cloud platform

Cloud computing gives another meaning to the word “sharing” in the world of networks. However, it... more Cloud computing gives another meaning to the word “sharing” in the world of networks. However, it gives rise to serious security problems. One of the techniques used by the attackers is the “Cloud cartography” which aims to locate a Virtual Machine in the cloud and launch a side channel attack. In this paper we propose a new technique for locating a virtual machine in a cloud environment. For this purpose, we will first trace the gateway of the cloud and then locate the target amongst the thousands of machines hosted in the cloud. Our attack is based on a new command TRACECL that can reach up to 100 routers, and we propose a method to locate the target Virtual Machine in a Cloud environment.

An Efficient Electronic Voting System in a Cloud Computing Environment

In this paper we present an electronic voting system based on Homomorphic encryption to ensure pr... more In this paper we present an electronic voting system based on Homomorphic encryption to ensure privacy, confidentiality and integrity in the voting. Our proposal offers all the advantages of the additively homomorphic encryption cryptosystems. The proposed voting scheme is suitable for multi-candidate elections as well as for elections in which contains neutral votes.

Applying Encryption Algorithm for Data Security in Cloud Storage

Advances in Ubiquitous Networking, 2016

Cloud computing is the next big thing after internet in the field of information technology; some... more Cloud computing is the next big thing after internet in the field of information technology; some say it's a metaphor for internet. It is an Internet-based computing technology, in which software, shared recourses and information, are provided to consumers and devices on-demand, and as per users requirement on a pay per use model. Even though the cloud continues to grow in popularity, Usability and respectability, Problems with data protection and data privacy and other Security issues play a major setback in the field of Cloud Computing. Privacy and security are the key issue for cloud storage. Encryption is a well known technology for protecting sensitive data. Use of the combination of Public and Private key encryption to hide the sensitive data of users, and cipher text retrieval. The paper analyzes the feasibility of the applying encryption algorithm for data security and privacy in cloud Storage.

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TPM Based Design for Enhanced Trust in SaaS Services

On the past decade, Trusted Platform Modules (TPM) have become a valuable tool for providing a hi... more On the past decade, Trusted Platform Modules (TPM) have become a valuable tool for providing a high level of trust on locally executing software. Indeed, in addition to its availability on most commodity computers, TPM are totally free of cost unlike other available Hardware-Based devices while they o er the same level of security. Enhancing trust in SaaS services regarding the security and the privacy of the hosted SaaS application services can turn out to be a pertinent application scope of TMP. In this paper we present a design for a trusted SaaS model that gives cloud users more con dence into SaaS services by leveraging TPM functionalities combined with a trusted source code certifying authority facility. In our design, the cloud computing provider hosting the SaaS services acts as a root of trust by providing nal cloud users insurance on the integrity of the SaaS application service running on its platform. A new mechanism of multisignature is developed for computing a join si...

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