Robust DRM on Internet Based on Identity-Based Encryption

Digital Rights Management (DRM) is a popular tool used to protect digital contents with cryptographic technology. But there are many different DRM encryption formats that are adopted by different content providers, causing consumers can’t play their contents on devices with different DRM format even though they bought it legally. In this paper, we employ identity-based encryption to allow a conversion between different DRM systems, and also improve Jeong et al.’s scheme in security aspect.

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