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

Research output: Journal article publication › Conference article › Academic research › 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.

Original language	English
Pages (from-to)	898-909
Number of pages	12
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 - 19 Feb 2009
Event	3rd Pacific Rim Symposium on Image and Video Technology, PSIVT 2009 - Tokyo, Japan Duration: 13 Jan 2009 → 16 Jan 2009

ASJC Scopus subject areas

Theoretical Computer Science
Computer Science(all)

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

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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, 19.02.2009, p. 898-909.

Research output: Journal article publication › Conference article › Academic research › peer-review

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

Abstract

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