Read-abortion (RA) based synchronization protocols to prevent illegal information flow

Read-abortion (RA) based synchronization protocols to prevent illegal information flow
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基于读中止(RA)的同步协议,防止非法信息流

DOI:
10.1016/j.jcss.2014.12.020
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发表时间:
2015
期刊:
J. Comput. Syst. Sci.
影响因子:
--
通讯作者:
M. Takizawa
M. Takizawa
中科院分区:
--
文献类型:
--
作者:
Shigenari Nakamura;Dilawaer Duolikun;M. Takizawa

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在信息系统中,对象中的数据可能通过对对象的操纵而非法流入另一对象。首先,我们定义了角色ri和rj之间的法律的信息流关系ri rj,这意味着,如果被授予角色ri的主体在另一个被授予角色rj的主体之前操作对象,则不发生非法的信息流。我们讨论的安全系统中,没有非法的信息流发生,即使从不同的主题进行操作,以任何顺序。然后,我们讨论了一个读中止基于角色的同步(RA-RBS)协议和一个读中止基于对象的同步(RA-OBS)协议,以防止不安全系统中的非法信息流。这里,如果事务读取对象并且可能发生非法信息流,则事务被中止。我们评估的RA-RBS和RA-OBS协议的交易中止的数量。
In information systems, data in an object may illegally flow into another object through manipulations of the objects. First, we define a legal information flow relation r i⇒ r j among roles r i and r j. It means, if a subject granted the role r i manipulates objects before another subject granted the role r j, no illegal information flow occur. We discuss safe systems where no illegal information flow occur even if operations from different subjects are performed in any order. Then, we discuss a read-abortion role-based synchronization (RA-RBS) protocol and a read-abortion object-based synchronization (RA-OBS) protocol to prevent illegal information flow in unsafe systems. Here, a transaction is aborted if the transaction reads an object and illegal information flow might occur. We evaluate the RA-RBS and RA-OBS protocols in terms of number of transactions aborted.
基于角色访问控制模型的法律信息流(LIF)调度程序(已接受)
DOI: --
发表时间: 2008
影响因子: 5
作者:
Enokido;T;Barolli;V.;and Takizawa;M.
通讯作者: M.