An Empirical Study of Secure MPEG Video Transmissions
SNDSS '96 Proceedings of the 1996 Symposium on Network and Distributed System Security (SNDSS '96)
MMSD '96 Proceedings of the 1996 International Workshop on Multimedia Software Development (MMSD '96)
Packet loss resilience of MPEG-2 scalable video coding algorithms
IEEE Transactions on Circuits and Systems for Video Technology
Multilevel video coding and distribution architectures for emerging broadband digital networks
IEEE Transactions on Circuits and Systems for Video Technology
Overview of fine granularity scalability in MPEG-4 video standard
IEEE Transactions on Circuits and Systems for Video Technology
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Traditional cryptography systems treat every portion of a message (a video, an image, or an audio) equally and encrypt the entire message as a whole. As a result, those security systems often have only two states: access authorization and access denial. To facilitate multi-level access control with interoperability, scalable security mechanism is needed. Further, the availability of varying network bandwidth and diverse receiver device capabilities demand scalable and flexible approaches that are capable of adapting to changing network conditions as well as device capabilities. In this paper, we describe a multimedia encryption scheme that supports scalability. One desirable feature of the proposed scheme is its simplicity and flexibility in supporting scalable content access control.