Abdellah Ezzati

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Wireless Sensor Network (WSN) is consisting of independent and distributed sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. The most crucial and fundamental challenge facing WSN is security. Due to minimum capacity in-term of memory cost, processing and physical accessibility to sensors devices the security(More)
—With the emergence of cloud computing, the concept of trust has become a major issue. Indeed, the key challenge is to ensure to customers that the selected cloud provider may store and process the raw data safely. If this is a storage service, data can be encrypted before sending them to the cloud server; in this case, data confidentiality is assured.(More)
Wireless sensor networks are currently the greatest innovation in the field of telecommunications. WSNs have a wide range of potential applications, including security and surveillance, control, actuation and maintenance of complex systems and fine-grain monitoring of indoor and outdoor environments. However security is one of the major aspects of Wireless(More)
Recently, Wireless Sensor Networks (WSNs) grow to be one of the dominant technology trends; new needs are continuously emerging and demanding more complex constraints in a duty cycle, such as extend the life time communication. The MAC layer plays a crucial role in these networks; it controls the communication module and manages the medium sharing. In this(More)
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