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Published in:
2006 | OriginalPaper | Chapter
A New ID-Based Broadcast Encryption Scheme
Authors : Chen Yang, Xiangguo Cheng, Wenping Ma, Xinmei Wang
Published in: Autonomic and Trusted Computing
Publisher: Springer Berlin Heidelberg
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This paper presents a new efficient identity-based broadcast encryption scheme using bilinear mapping. Both private-key storage for one authorized user (only two group elements) and communication transmission bandwidth (three group elements) in our scheme are of constant size regardless of the number of colluders. In terms of efficiency and security, our scheme is very efficient with lower encryption and decryption computational cost and more secure against
k
number of colluders by introducing self-enforcing protection strategy.