Selective encryption of wavelet-packet encoded image data: efficiency and security

Pommer, Andreas; Uhl, Andreas

doi:10.1007/s00530-003-0099-y

Cited by 90 publications

(41 citation statements)

References 20 publications

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“…Traditional systems make use of classical technologies like Encryption [20], [21] and Accessconditioning [22] for driving DRM incorporated systems. There are many crucial technologies that construct DRM system.…”

Section: IImentioning

confidence: 99%

Efficient Traducer Tracing System Using Traffic Volume Information

V.V.¹,

Praveen²,

Prakash³

2011

SpecialIssue

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Abstract---Many leading Broadband access technologies and their accessing abilities have the capability to meet the future requirements of the Broadband consumer. With the enormous growth in the broadband technologies, there is a need of applying simmering technology in many applications like video conference systems and content transmission systems. Streaming content enables users to get access the files quickly and not have to wait until the file is done downloading. Security remains one of the main challenges for Content Streaming. Digital Rights Management (DRM) system must be implemented to avoid content spreading and un-intentional content usage. Water marking technology can also be used to implement the DRM system but it has its own limitations and attacks. A control method for the steaming content delivery is required to prevent abuse of the content. For this reason, authors have proposed a contended methodology that uses traffic volume information obtained from routers. Traducer tracing is one of the essential technologies that designs DRM systems, and empowers content distributors to notice and control content acquisition. This technology utilizes the main concept of traffic contours that helps to determine who is watching the streaming content and whether or not a secondary content delivery exists i.e., mainly used to determine whether the network is being traced out by the intruder or not.

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Section: IImentioning

confidence: 99%

Efficient Traducer Tracing System Using Traffic Volume Information

V.V.¹,

Praveen²,

Prakash³

2011

SpecialIssue

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“…Hence, a number of techniques for real-time encryption of multimedia data have been proposed in the past years. Two common approaches to realtime multimedia data encryption are selective encryption [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] and entropy coding that provides encryption [20][21][22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Cryptanalysis of Some Multimedia Encryption Schemes

Jakimoski

Subbalakshmi

2008

IEEE Trans. Multimedia

122

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Abstract-Encryption is one of the fundamental technologies that is used in digital rights management. Unlike ordinary computer applications, multimedia applications generate large amounts of data that has to be processed in real time. So, a number of encryption schemes for multimedia applications have been proposed in recent years.We analyze the following proposed methods for multimedia encryption: key-based multiple Huffman tables (MHT), arithmetic coding with key-based interval splitting (KSAC) and randomized arithmetic coding (RAC). Our analysis shows that MHT and KSAC are vulnerable to low complexity known-and/or chosen-plaintext attacks. Although we do not provide any attacks on RAC, we point out some disadvantages of RAC over the classical compress-then-encrypt approach.

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“…Of course, other data formats have been discussed with respect to selective encryption as well (Liu and Eskicioglu [16] give an overview with focus on shortcomings of current schemes and future issues): coding schemes based on wavelets [21], quadtrees [4,13], iterated function systems (fractal coding) [23], and vector quantization [3] have been used to create selective encryption schemes.…”

Section: Introductionmentioning

confidence: 99%

Selective Image Encryption Using JBIG

Pfarrhofer¹,

Uhl²

2005

Communications and Multimedia Security

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Abstract. Selective encryption techniques of JBIG encoded visual data are discussed. We are able to show attack resistance against common image processing attacks and replacement attacks even in case of restricting the amount of encryption to 1% -2% of the data. The low encryption effort required is due to the exploitation of the interdependencies among resolution layers in the JBIG hierarchical progressive coding mode.

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Selective encryption of wavelet-packet encoded image data: efficiency and security

Cited by 90 publications

References 20 publications

Efficient Traducer Tracing System Using Traffic Volume Information

Efficient Traducer Tracing System Using Traffic Volume Information

Cryptanalysis of Some Multimedia Encryption Schemes

Selective Image Encryption Using JBIG

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