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MPEG-2 Streaming Protection Scheme for Digital Rights Management

Yeonjeong JEONG, Kisong YOON, Jaecheol RYOU

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Summary :

In this paper, we propose an MPEG-2 TS encryption and decryption scheme which can support MPEG-2 TS streaming, and a key management scheme which can provide secure delivery of the key used to encrypt MPEG-2 TS from the package server to DRM clients in a secure manner. The key management scheme protects the key not only from purchasers but also among the other principals who manage the distribution servers and license servers. The proposed scheme can protect from attacks over a network since a pre-encrypted MPEG-2 TS is sent by a streaming server and only DRM clients can decrypt the streamed MPEG-2 TS. An MPEG-2 TS streaming server can send the encrypted stream without modifying it and degrading its performance because MPEG-2 TS is encrypted but compliant to the MPEG-2 TS format. The processing time to decrypt a streamed MPEG-2 TS in client systems is minimized to guarantee the quality of streaming.

Publication
IEICE TRANSACTIONS on Information Vol.E87-D No.12 pp.2594-2601
Publication Date
2004/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category
Protocols, Applications and Services

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