An Efficient Encryption Scheme for MPEG Video
Date Issued
2004
Date
2004
Author(s)
Cheong, In-Kuan
DOI
en-US
Abstract
MPEG (ISO Moving Picture Expert Group) is a compression standard for video processing and is widely used in multimedia applications, for example, VCD, DVD and VOD (Video-on-Demand). When the MPEG streams are transmitted over the public Internet, security becomes very important because of Confidentiality and Copyright protection. In this thesis, we propose an encryption scheme, which uses a permutated Huffman table to encode the input symbols, then rotates and XORs the encoded bit stream. This scheme adds very little computational overhead to the MPEG video compression process, and therefore the implementation is fast enough to meet the real-time requirement of MPEG video applications. In our analysis, it is also robust to both plaintext and ciphertext attacks. In addition, our scheme can be applied to all MPEG compression standards.
Subjects
影像加密
加密
encryption
mpeg
Type
thesis
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