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Browsing Scientific Published Papers by Author "El Assad, Safwan"

Browsing Scientific Published Papers by Author "El Assad, Safwan"

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  • El Assad, Safwan; Farajallah, Mousa; Vladeanu, Calin (The 10th International Conference on Communications (COMM), 2014-05-29)
    A variety of chaos-based cryptosystems have been investigated during the last decade. Most of them are based on the structure of Fridrich, which is based on the traditional confusion-diffusion architecture proposed by ...
  • AbuTaha, Mohammed; El Assad, Safwan; Farajallah, Mousa; Queudet, Audrey; Deforge, Olivier (2015 10th International Conference for Internet Technology and Secured Transactions (ICITST), 2015-12-14)
    Based on some important properties of chaos, such as ergodicity, quasi-randomness, and high sensitivity to the secret key, chaos is a hot research field in secured communication, and recently a variety of chaos-based ...
  • Farajallah, Mousa; El Assad, Safwan; Chetto, Maryline (2013 IEEE International Conference on Green Computing and Communications and IEEE Internet of Things and IEEE Cyber, Physical and Social Computing, 2013-08-20)
    Wireless Sensor Networks (WSNs) are a growing field of research since they are used in many applications. Nevertheless, they are subject to many requirements such as real-time constraints, energy limitations, and security ...
  • Farajallah, Mousa; Fawaz, Zeinab; El Assad, Safwan; Deforges, Olivier (The 7th International Conference on Emerging Security Information, Systems and Technologies, 2013-08-25)
    Many image encryption algorithms based on chaos have been proposed since 1989. Most of them are slow and use a secret key of encryption/decryption independent of the plain image. We introduce a new fast and secure image ...
  • Farajallah, Mousa; Deforges, Olivier; El Assad, Safwan (International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 2016-02-01)
    Nonlinear dynamic cryptosystems or chaos-based cryptosystems have been attracting a large amount of research since 1990. The critical aspect of cryptography is to face the growth of communication and to achieve the design ...
  • Chetto, Maryline; Noura, Hassan; El Assad, Safwan; Farajallah, Mousa (2012 International Conference for Internet Technology and Secured Transactions, 2012-12-20)
    Abstract: A growing number of systems are highly connected and distributed over the internet. These systems require innovative software services and infrastructures in order to guarantee security and reliability. This ...
  • Chetto, Maryline; El Assad, Safwan; Farajallah, Mousa (International Journal of Internet Technology and Secured Transactions, 2014-01-01)
    A growing number of systems are highly connected and distributed over the internet. These systems require innovative software services and infrastructures in order to guarantee security and reliability. This issue has a ...
  • Fawaz, Zeinab; El Assad, Safwan; Farajallah, Mousa; Ayman, Khalil; Lozi, René; Déforges, Olivier (8th International Conference for Internet Technology and Secured Transactions (ICITST-2013), 2013-12-09)
    In the last two decades, several chaos-based cryptosystems have been proposed. Some of them have architecture comprising a layer of permutation and a layer of diffusion and these layers are simultaneously executed in a ...
  • El Assad, Safwan; Farajallah, Mousa (Signal Processing: Image Communication-Elsevier, 2016-02-29)
    During the last decade, a variety of chaos-based cryptosystems has been introduced to protect the content of the transmitted images. In this paper, we propose a new fast, simple, and robust chaos-based cryptosystem ...
  • Farajallah, Mousa; Hamidouche, Wassim; Deforges, Olivier; El Assad, Safwan (2015 IEEE International Conference on Image Processing (ICIP), 2015-09-27)
    In this paper we investigate privacy protection for the HEVC standard based on the tile concept. Tiles in HEVC enable the video to be split into independent rectangular regions. Two solutions are proposed to encrypt the ...
  • Hamidouche, Wassim; Farajallah, Mousa; Raulet, Mickael; Deforges, Olivier; El Assad, Safwan (2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2015-04-19)
    In this paper we investigate a selective video encryption in the scalable HEVC extension (SHVC). The SHVC extension encodes the video in several layers corresponding to different spatial and quality representations of the ...

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