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arXiv 1606.05936cs.LOcs.DC
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带主题的安全多方会话

Secure Multiparty Sessions with Topics

Ilaria Castellani, Mariangiola Dezani-Ciancaglini, Ugo de'Liguoro

摘要:

多方会话演算最近已经配备了安全要求,以保证属性,如访问控制和泄漏自由。然而,拟议的安全要求在某些情况下似乎限制性过强。特别是,一方在收到秘密信息后,不允许传播任何种类的公共信息。如果这两条信息完全不相关,这似乎是不合理的。本文的目的是克服这一限制,方法是为简单的多方会话演算设计一个类型规程,该规程根据消息的主题对消息进行分类,并允许对独立主题的消息进行不受限制的排序。

英文摘要:

Multiparty session calculi have been recently equipped with security requirements, in order to guarantee properties such as access control and leak freedom. However, the proposed security requirements seem to be overly restrictive in some cases. In particular, a party is not allowed to communicate any kind of public information after receiving a secret information. This does not seem justified in case the two pieces of information are totally unrelated. The aim of the present paper is to overcome this restriction, by designing a type discipline for a simple multiparty session calculus, which classifies messages according to their topics and allows unrestricted sequencing of messages on independent topics.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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