End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability

End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability
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具有对话完整性和可否认性的端到端安全移动群组消息传递

DOI:
10.1145/3338498.3358644
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发表时间:
2019
期刊:
Proceedings of the 18th ACM Workshop on Privacy in the Electronic Society
影响因子:
--
通讯作者:
Hopper, Nicholas
Hopper, Nicholas
中科院分区:
--
文献类型:
--
作者:
Schliep, Michael;Hopper, Nicholas

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在本文中,我们描述了移动的CoWPI,一个可部署的,端到端的安全移动的组消息应用程序的安全性证明。移动的CoWPI允许动态用户组参与、加入和离开私密的、经过身份验证的对话,而不要求参与者同时在线或保持可靠的网络连接。我们确定了移动的消息传递的局限性,以及它们如何影响对话的完整性和可否认性。我们定义了这些安全属性的强模型,证明了移动的CoWPI满足这些属性,并认为没有协议,满足这些属性可以更可扩展性比移动的CoWPI。我们还描述了一个实现的移动的CoWPI,并通过实验表明,它是适合在现实世界中使用的消息条件。
In this paper, we describe Mobile CoWPI, a deployable, end-to-end secure mobile group messaging application with proofs of security. Mobile CoWPI allows dynamic groups of users to participate in, join, and leave private, authenticated conversations without requiring the participants to be simultaneously online or maintain reliable network connectivity. We identify the limitations of mobile messaging and how they affect conversational integrity and deniability. We define strong models of these security properties, prove that Mobile CoWPI satisfies these properties, and argue that no protocol that satisfies these properties can be more scalable than Mobile CoWPI. We also describe an implementation of Mobile CoWPI and show through experiments that it is suitable for use in real-world messaging conditions.
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发表时间: 2018
影响因子: --
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