[Resource Topic] 2004/011: Known-Plaintext Attack Against a Permutation Based Video

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Known-Plaintext Attack Against a Permutation Based Video

Authors: Adam J. Slagell


One of the approaches to deliver real-time video encryption is to apply permutations to the bytes within a frame of a fully encoded MPEG stream as presented in [2]. We demonstrate that this particular algorithm is vulnerable to a known-plaintext attack, and hence its use should be carefully considered. We also discuss modifications that can make the algorithm resistant to our attack.

ePrint: https://eprint.iacr.org/2004/011

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