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RSS FeedsSensors, Vol. 19, Pages 5366: A Fine-Grained Video Encryption Service Based on the Cloud-Fog-Local Architecture for Public and Private Videos (Sensors)

 
 

5 december 2019 13:03:38

 
Sensors, Vol. 19, Pages 5366: A Fine-Grained Video Encryption Service Based on the Cloud-Fog-Local Architecture for Public and Private Videos (Sensors)
 


With the advancement of cloud computing and fog computing, more and more services and data are being moved from local servers to the fog and cloud for processing and storage. Videos are an important part of this movement. However, security issues involved in video moving have drawn wide attention. Although many video-encryption algorithms have been developed to protect local videos, these algorithms fail to solve the new problems faced on the media cloud, such as how to provide a video encryption service to devices with low computing power, how to meet the different encryption requirements for different type of videos, and how to ensure massive video encryption efficiency. To solve these three problems, we propose a cloud-fog-local video encryption framework which consists of a three-layer service model and corresponding key management strategies, a fine-grain video encryption algorithm based on the network abstract layer unit (NALU), and a massive video encryption framework based on Spark. The experiment proves that our proposed solution can meet the different encryption requirements for public videos and private videos. Moreover, in the experiment environment, our encryption algorithm for public videos reaches a speed of 1708 Mbps, and can provide a real-time encryption service for at least 42 channels of 4K-resolution videos.


 
195 viewsCategory: Chemistry, Physics
 
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