A Hierarchical Encryption and Key Management Scheme for Layered Access Control on H.264/SVC Bitstream in the Internet of Things

Xu, Cheng; Ren, Wei; Yu, Linchen; Zhu, Tianqing; Choo, Kim‐Kwang Raymond

doi:10.1109/jiot.2020.2997725

Cited by 13 publications

(11 citation statements)

References 18 publications

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“…The continuous evolution of video coding techniques and the emergence of new approaches have given way to the scalability concept in video coding. In the AVC context, the standard was extended with SVC [16,20]. In SVC encoding, each frame is composed of a base layer (BL) with the basic information of the frame and one or more enhancement layers (EL) with additive information that stacks on top of each other.…”

Section: Video Codingmentioning

confidence: 99%

ASViS: A Protocol for Efficient Video Streaming Using SVC and Deadline-based Criteria.

Peña-Ancavil

Estevez

Orchard

et al. 2023

Preprint

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Multimedia video streaming is the most used data consumption service on the Internet. Maintaining a data flow rate that provides the best video quality possible without overflowing the pipeline is challenging. Dynamic Adaptive Streaming over HTTP (DASH) is a commonly used protocol that sends video data in small packages called chunks. However, this technique can lead to video buffering issues and video pausing due to an empty video buffer. Adaptive Scalable Video Streaming (ASViS) is a more versatile protocol that uses scalable video coding, a flow-controlled user datagram protocol (UDP), and deadline-based criteria to manage the buffered data. Like transmission control protocol (TCP), ASViS adjusts the flow based on available bandwidth, and it can discard data based on video frame deadlines to prevent outdated data transmission. ASViS is compliant with RFC 8085, preventing it from overwhelming the Internet. The scalability feature allows ASViS to have the highest image quality possible in every frame allowed by SVC with the data layers available. A theoretical model is presented that predicts ASViS behavior under different network conditions. This work also shows how different parameters affect its performance and how it can be easily configured to optimize it.

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Section: Video Codingmentioning

confidence: 99%

ASViS: A Protocol for Efficient Video Streaming Using SVC and Deadline-based Criteria.

Peña-Ancavil

Estevez

Orchard

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…A secure video surveillance framework was proposed in [ 14 ] which used the AES symmetric encryption algorithm to encrypt the video stream, realized a symmetric key distribution through an RSA-based protocol, and employed hash-based message authentication message digest hashing (HMAC-MD5) to ensure the integrity of the video stream. Furthermore, hierarchical encryption and layered access control schemes were proposed in [ 15 , 16 ], in which an ordinary user can access the public video, while only authorized users are able to access the recovered private content. Generally speaking, encryption is still an important method to achieve privacy protection in video surveillance systems [ 17 ].…”

Section: Related Workmentioning

confidence: 99%

Secure Video Surveillance Framework in Smart City

Xiezhang

Yang

et al. 2021

Sensors

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In the construction process of smart cities, more and more video surveillance systems have been deployed for traffic, office buildings, shopping malls, and families. Thus, the security of video surveillance systems has attracted more attention. At present, many researchers focus on how to select the region of interest (RoI) accurately and then realize privacy protection in videos by selective encryption. However, relatively few researchers focus on building a security framework by analyzing the security of a video surveillance system from the system and data life cycle. By analyzing the surveillance video protection and the attack surface of a video surveillance system in a smart city, we constructed a secure surveillance framework in this manuscript. In the secure framework, a secure video surveillance model is proposed, and a secure authentication protocol that can resist man-in-the-middle attacks (MITM) and replay attacks is implemented. For the management of the video encryption key, we introduced the Chinese remainder theorem (CRT) on the basis of group key management to provide an efficient and secure key update. In addition, we built a decryption suite based on transparent encryption to ensure the security of the decryption environment. The security analysis proved that our system can guarantee the forward and backward security of the key update. In the experiment environment, the average decryption speed of our system can reach 91.47 Mb/s, which can meet the real-time requirement of practical applications.

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“…Only the base layer can be transmitted under the poor CSI condition, however the enhancement layers can be transmitted to improve the video QoS if the better CSI was observed 4‐7 . Because of the flexibility and adaptability of SVC video, it has been widely used in the multimedia service of mobile networks 8‐11 …”

Section: Introductionmentioning

confidence: 99%

Optimization of the quality‐to‐power ratio of scalable video code video transmission in millimeter‐wave massive multiple‐input multiple‐output systems

Zhang

Zhao

Cheng

et al. 2021

Trans Emerging Tel Tech

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Consider a millimeter‐wave (mmWave) massive multiple‐input multiple‐output (MIMO) system, where a base station (BS) relying on discrete lens antenna (DLA) array transmits scalable video code (SVC) video to multiple single‐antenna vehicles. Taking into account both the video quality for vehicles and the communication resource consumption of BS, we define a new metric given by the quality of received video to the power consumption ratio (QPR) in order to measure the system efficiency. The objective of this article is to maximize the minimum QPR among vehicles by designing the antenna selection and power allocation scheme, while ensuring the constraints of total transmit power and DLA array structure. Due to the piecewise form of the video quality function, it is intractable to solve the formulated problem, which is therefore decomposed into antenna selection and power allocation subproblems. A maximum equivalent channel gain (MECG) algorithm and an iteration algorithm are proposed for antenna selection subproblem with different complexities, respectively; while an optimal power allocation (OPA) algorithm is designed by analyzing three cases of transmit power constraints. Simulation results indicate that the proposed MECG algorithm has moderate performance with low‐complexity, while the OPA algorithm can help to achieve the optimal QPR in contrast to other algorithms.

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A Hierarchical Encryption and Key Management Scheme for Layered Access Control on H.264/SVC Bitstream in the Internet of Things

Cited by 13 publications

References 18 publications

ASViS: A Protocol for Efficient Video Streaming Using SVC and Deadline-based Criteria.

ASViS: A Protocol for Efficient Video Streaming Using SVC and Deadline-based Criteria.

Secure Video Surveillance Framework in Smart City

Optimization of the quality‐to‐power ratio of scalable video code video transmission in millimeter‐wave massive multiple‐input multiple‐output systems

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