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Direct Anonymous Attestation (DAA) is a complex cryptographic protocol for remote attestation and provides both signer authentication and privacy. It was adopted by the Trusted Computing Group (TCG) as a technical standard. However, the DAA scheme in TCG specifications is designed for the single trusted domain attestation, and cannot be deployed in different trusted domain directly. It limits its...
Not only user identities but also the platforms need to be authenticated in wireless networks under trusted computing environment. Based on direct anonymous attestation of trusted computing, a wireless anonymous authentication scheme is proposed, the platform of the mobile node was verified by the foreign network agent and the identity of the mobile node user was authenticated by the home network...
The security flaws of a direct anonymous attestation scheme proposed by He et al. was analyzed, and the result shows that the authentication protocol of the scheme is vulnerable to reply attacks and platform masquerading attacks when being used for remote attestation. An improved direct anonymous attestation authentication scheme with the involvement of key agreement was proposed to provide the property...
A secure and trusted distribution of digital contents is a fundamental requirement for Digital Rights Management (DRM) system, so that the integrity of user terminal platform should be verified prior to contents' distribution in order to assure that the platform is free from a malicious modification and attack. Recent years the emerging trusted computing has better enhanced the necessary functionality,...
Existing digital rights management (abbr. DRM) approaches lack a flexible fine-grained digital rights transfer policy, also could not guarantee the trustworthy distribution and enforcement of the transferable rights policy by using DRM agent. First, descriptions of extensible ODRL-based rights transfer policy were presented to complete OMA REL. Then, we introduced a remote attestation mechanism among...
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