On the security of an MPEG-video encryption scheme based on secret huffman tables

Shujun Li; Guanrong Chen; Albert Cheung; Kwok-Tung Lo; Mohan Kankanhalli

doi:10.1007/978-3-540-92957-4_78

On the security of an MPEG-video encryption scheme based on secret huffman tables

Shujun Li, Guanrong Chen, Albert Cheung, Kwok-Tung Lo, Mohan Kankanhalli

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

4 Citations (Scopus)

Abstract

This paper re-studies the security of an MPEG-video encryption scheme based on secret Huffman tables. The present cryptanalysis shows that: 1) the key space of the encryption scheme is not sufficiently large against divide-and-conquer (DAC) ciphertext-only attack; 2) its security against the chosen-plaintext attack is very weak. The insecurity is mainly due to the separated use of different Huffman tables for different sets of syntax elements. A brief discussion on how to improve this MPEG-video encryption scheme is also given. © 2009 Springer Berlin Heidelberg.

Original language	English
Pages (from-to)	898-909
Journal	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	5414 LNCS
DOIs	https://doi.org/10.1007/978-3-540-92957-4_78
Publication status	Published - 2009
Event	3rd Pacific Rim Symposium on Image and Video Technology, PSIVT 2009 - Tokyo, Japan Duration: 13 Jan 2009 → 16 Jan 2009

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abstract = "This paper re-studies the security of an MPEG-video encryption scheme based on secret Huffman tables. The present cryptanalysis shows that: 1) the key space of the encryption scheme is not sufficiently large against divide-and-conquer (DAC) ciphertext-only attack; 2) its security against the chosen-plaintext attack is very weak. The insecurity is mainly due to the separated use of different Huffman tables for different sets of syntax elements. A brief discussion on how to improve this MPEG-video encryption scheme is also given. {\textcopyright} 2009 Springer Berlin Heidelberg.",

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On the security of an MPEG-video encryption scheme based on secret huffman tables. / Li, Shujun; Chen, Guanrong; Cheung, Albert et al.
In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 5414 LNCS, 2009, p. 898-909.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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AU - Kankanhalli, Mohan

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AB - This paper re-studies the security of an MPEG-video encryption scheme based on secret Huffman tables. The present cryptanalysis shows that: 1) the key space of the encryption scheme is not sufficiently large against divide-and-conquer (DAC) ciphertext-only attack; 2) its security against the chosen-plaintext attack is very weak. The insecurity is mainly due to the separated use of different Huffman tables for different sets of syntax elements. A brief discussion on how to improve this MPEG-video encryption scheme is also given. © 2009 Springer Berlin Heidelberg.

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JO - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

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T2 - 3rd Pacific Rim Symposium on Image and Video Technology, PSIVT 2009

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On the security of an MPEG-video encryption scheme based on secret huffman tables

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