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Data access control method for multimedia content data sharing and security based on XMDR-DAI in mobile cloud storage

机译:基于XMDR-DAI的移动云存储中多媒体内容数据共享与安全的数据访问控制方法

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摘要

Mobile cloud storage service is used for users' multimedia content data sharing or synchronization in effective way with several mobile devices. To save various content data in the mobile cloud storage, the matters of security should be treated in the process of data sharing to provide flexibility and expandability for solving its heterogeneousness. Currently, the cloud storage service generally encrypts the content data for the security. However, this method is not perfectly safe for it manages ID, password, and encryption key simply with software; thus it may accept unauthorized users. This research suggests the data access control model and the method for multimedia content sharing and security based on XMDR-DAI in the mobile cloud storage. It supports key management based on hardware, identification for the integrity of client software, and security key sharing. Also, the suggested model saves/manages different types of multimedia content, thus it establishes XMDR-DAI-based metadata relationship for the problems that occurred in searching to increase the reliability. And this research suggests the prototype using TPM emulator that is operated in secure world of ARM TrustZone and TrustZone environment.
机译:移动云存储服务用于有效地与多个移动设备共享或同步用户的多媒体内容数据。为了将各种内容数据保存在移动云存储中,应在数据共享过程中处理安全性问题,以提供灵活性和可扩展性以解决其异构性。当前,为了安全起见,云存储服务通常对内容数据进行加密。但是,这种方法并不完全安全,因为它仅通过软件即可管理ID,密码和加密密钥。因此它可以接受未经授权的用户。该研究提出了一种基于XMDR-DAI的移动云存储中数据访问控制模型和多媒体内容共享与安全方法。它支持基于硬件的密钥管理,用于客户端软件完整性的标识以及安全密钥共享。此外,建议的模型可以保存/管理不同类型的多媒体内容,从而针对搜索中出现的问题建立基于XMDR-DAI的元数据关系,以提高可靠性。并且这项研究提出了使用TPM仿真器的原型,该仿真器在ARM TrustZone和TrustZone环境的安全环境中运行。

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