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Implementation of an Attribute-Based Encryption Scheme Based on SM9

机译:基于SM9的基于属性的加密方案的实现

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摘要

In recent years, attribute-based encryption (ABE) has been widely applied in mobile computing, cloud computing, and the Internet of things, for supporting flexible and fine-grained access control of sensitive data. In this paper, we present a novel attribute-based encryption scheme that is based on bilinear pairing over Barreto and Naehrig curves (BN-curves). The identity-based encryption scheme SM9, which is a Chinese commercial cryptographic standard and a forthcoming part of ISO/IEC11770-3, has been used as the fundamental building block, and thus we first introduce SM9 and present our SM9 implementation in details. Subsequently, we propose the design and implementation of the ABE scheme. Moreover, we also develop a hybrid ABE for achieving lower ciphertext expansion rate when the size of access structure or plaintext is large. The performance and energy consumption of the implementation of the proposed ABE and its hybrid version are evaluated with a workstation, a PC, a smart phone, and an embedded device. The experimental results indicated that our schemes work well on various computing platforms. Moreover, the proposed schemes and their implementations would benefit developers in building applications that fulfill the regulatory compliance with the Chinese commercial cryptographic standard since there is no existing ABE scheme compatible with any Chinese cryptographic standard.
机译:近年来,基于属性的加密(ABE)已广泛应用于移动计算,云计算和物联网,以支持灵活和细粒度的敏感数据的访问控制。在本文中,我们介绍了一种基于新的基于属性的加密方案,其基于BAlreto和Naehrig曲线(BN曲线)的双线性配对。基于身份的加密方案SM9,它是中国商业加密标准以及即将到来的ISO / IEC11770-3,已被用作基本构建块,因此我们首先介绍SM9并详细介绍我们的SM9实施。随后,我们提出了ABE方案的设计和实现。此外,我们还开发混合ABE,用于在接入结构或明文的大小很大时实现较低的密文扩展速率。使用工作站,PC,智能手机和嵌入式设备评估提议ABE及其混合版本的执行性能和能耗。实验结果表明,我们的计划在各种计算平台上运作良好。此外,拟议的计划及其实施将使开发人员受益于建立符合中国商业加密标准的监管遵守情况的应用程序,因为没有与任何中国加密标准兼容的ABE方案。

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