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Browsing by Author "Déforges, Olivier"

Browsing by Author "Déforges, Olivier"

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  • Chaos-based Cryptography an Emergent Technology 
    El Assad, Safwan; Abutaha, Mohammed; Farajallah, Mousa; Déforges, Olivier (2017)
     What is chaos? - How to generate it?chaos? How to generate it? - Chaos & Cryptography - Why using chaos to secure information? - Chaos--based cryptography *Design and realization of an efficient chaos--based stream cipher ...
  • Comparative study of two pseudo chaotic number generators for securing the iot 
    Jallouli, Ons; Abutaha, Mohammed; El Assad, Safwan; Chetto, Maryline; Queudet, Audrey; Déforges, Olivier (IEEE, 2016)
    The extremely rapid development of the Internet of Things brings growing attention to the information security issue. Realization of cryptographically strong pseudo random number generators (PRNGs), is crucial in securing ...
  • Cryptanalyzing an image encryption scheme using reverse 2-dimensional chaotic map and dependent diffusion 
    Farajallah, Mousa; El Assad, Safwan; Déforges, Olivier (Multimedia Tools and Applications-Springer US, 2018-11-10)
    In the recent literature, many research studies have proven that Known and Chosen plaintext attacks are very efficient tools that are widely used to cryptanalyze partially or completely some chaos-based and non-chaos ...
  • Design and Efficient Implementations of a Chaos-based stream cipher for Securing Internet of Things 
    Gautier, Guillaume; El Assad, Safwan; Abutaha, Mohammed; Déforges, Olivier; Facon, Adrien (2017)
    The protection of data transmitted between Internet of Things(IoT) devices which have very limited resources in terms of computing capabilities, memory capacities and energy becomes an important challenge. Designing ...
  • Lightweight chaos-based cryptosystem for secure images 
    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 ...
  • Privacy Protection in Real Time HEVC Standard Using Chaotic System 
    Abutaha, Mohammed; Hamidouche, Wassim; Sidaty, Naty; Viitanen, Marko; Vanne, Jarno; Assad, Safwan El; Déforges, Olivier (Multidisciplinary Digital Publishing Institute, 2020)
    Video protection and access control have gathered steam over recent years. However, the most common methods encrypt the whole video bit stream as unique data without taking into account the structure of the compressed ...
  • Real-time selective video encryption based on the chaos system in scalable HEVC extension 
    Farajallah, Mousa; El Assad, Safwan; Déforges, Olivier; Hamidouche, Wassim; Sidaty, Naty (Signal Processing: Image Communication, 2017-10-01)
    In this paper we propose a real-time selective video encryption solution in the scalable extension of High Efficiency Video Coding (HEVC) standard, referred to as SHVC. The proposed scheme encrypts a set of sensitive SHVC ...
  • SELECTIVE ENCRYPTION OF THE VERSATILE VIDEO CODING STANDARD 
    Farajallah, Mousa; Gautier, Guillaume; Hamidouche, Wassim; Déforges, Olivier; El Assad, Safwan (https://arxiv.org/, 2021-03-09)
    Versatile video coding (VVC) is the next generation video coding standard developed by the joint video experts team (JVET) and released in July 2020. VVC introduces several new coding tools providing a significant coding ...

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