Member/Group License Mechanism for Secure and Flexible Sharing of Protected Contents in DRM Systems 


Vol. 11,  No. 6, pp. 739-746, Dec.  2004
10.3745/KIPSTC.2004.11.6.739


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  Abstract

License mechanisms are the key elements in almost all DRM(digital rights management) systems. The license mechanisms are designed for the clear identification and enforcement of contents, principals, and usage rules in DRM systems But current license mechanisms are lacking in the flexibility for the secure and efficient sharing of the contents among the members of a group such as a family or a part of an enterprise. This paper suggests a new license mechanism for efficient and secure sharing of contents in DRM systems among the members of a group. We named it member/group license mechanism. The mechanism extends the current license mechanisms by introducing new concepts such as group licenses, member licenses, and derivation relationships between licenses.

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[IEEE Style]

H. J. Chang, "Member/Group License Mechanism for Secure and Flexible Sharing of Protected Contents in DRM Systems," The KIPS Transactions:PartC, vol. 11, no. 6, pp. 739-746, 2004. DOI: 10.3745/KIPSTC.2004.11.6.739.

[ACM Style]

Hai Jin Chang. 2004. Member/Group License Mechanism for Secure and Flexible Sharing of Protected Contents in DRM Systems. The KIPS Transactions:PartC, 11, 6, (2004), 739-746. DOI: 10.3745/KIPSTC.2004.11.6.739.

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