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ID-based key management scheme using threshold decryption for OPMD environment

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5 Author(s)
Hoonjung Lee ; Dept. of Computer Science and Engineering, Hanyang University, South Korea ; Junghoon Kim ; Junggab Son ; Sangjin Kim
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In this paper, we propose a key management scheme to protect contents in OPMD (One Person Multi Device) environment where a single user has multiple consumer devices. The proposed scheme using IBTD, a key management scheme that uses a user ID as a public key and the threshold decryption scheme that decrypts secret shares only if n the number of secret public values created by a contents server is more than t. Our proposed scheme enables users in OPMD environment to conveniently and easily use their contents through any of their multiple devices, and allows a contents server can manage keys efficiently in the user-centric key management way rather than in the device-centric key management way.

Published in:

2012 IEEE International Conference on Consumer Electronics (ICCE)

Date of Conference:

13-16 Jan. 2012