Identity-based cryptography (IBC) is considered as a promising mechanism in the Internet of Things and ad-hoc networks, providing lightweight authentication and powerful access control. However, it suffers from two inherent problems, i.e. key escrow and the requirement of a secure channel, which are not always good properties in many realistic scenarios. Thus, an efficient key issuing protocol in a distributed setting without the assumption of the secure channel is needed. In this study, the authors give special attention to the IBC standardised in IEEE P1363 and design a multi-party setup and key issuing protocol for it. Their protocol is proven to be malicious secure by simulation under weaker assumptions. Contrast to prior works that rely on a trusted party for key distribution or the strong assumption of a secure channel, they provide the first practical solution for the distributed architectures.

中文翻译：

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IEEE P1363标准中基于身份的签名方案的多方密钥生成协议，用于公共密钥加密

基于身份的加密（IBC）被认为是物联网和物联网中一种有前途的机制 特别指定网络，提供轻量级身份验证和强大的访问控制。但是，它存在两个固有的问题，即密钥托管和安全通道的要求，这在许多现实情况中并不总是好的特性。因此，需要在不假设安全信道的情况下的分布式设置中的有效密钥发布协议。在这项研究中，作者特别注意IBC标准化IEEE P1363并为其设计多方设置和密钥发布协议。在较弱的假设下，通过仿真证明了他们的协议是恶意安全的。与依赖于受信任方进行密钥分发或对安全通道的强烈假设的先前工作相比，它们为分布式体系结构提供了第一个实际的解决方案。