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A General Encryption Algorithm for Different Format Videos
Hao Li,Cheng Yang,Jiayin Tian,Jianbo Liu 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.10
With the rapid development of social network, more and more information is being presented in the form of multimedia, so the security of multimedia files, especially video files, has been capturing the attention of the researchers. Video encryption is widely applied to the DRM system, video conference, medical and military fields and so on. A general video encryption algorithm is proposed to solve the problem that the existing multiple formats (compression formats and container formats) of video requires a unified encryption scheme. Meanwhile, the proposed scheme can not only provide variable levels of security, but also have good performance of compression efficiency and computational complexity, which can ensure that the encrypted video data can be operation.
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Lightweight Key Distribution Protocol for Streaming Media DRM
Hao Li,Tang Xuyue,Jiayin Tian,Jianbo Liu,Cheng Yang 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.9
In the daily-real systems, protecting the data only is far less enough. The process about the generation, distribution, storage, and the revocation of the key is the core problem in the system-security consideration. If the management of the key is insecure, attackers could easily get the key used in the encryption steps to the context, leading to useless processing in the encryption no matter how secure the system be. Unlike the period of validity for the different key, the key can easily be attacked by various methods due to its distribution through the complex net links, which would bring about the threatening of the security. In this paper, we analyze three models of the key distribution, associated with the actual applications for the encryption in the hypermedia video stream. Besides, we raise up a new protocol based on the IKEV2 distribution protocol and evaluate the stability when it suffer the Man-in –the-Middle Attacks, DoS and Replay attacks.
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