Titlebook: Network and System Security; 8th International Co Man Ho Au,Barbara Carminati,C.-C. Jay Kuo Conference proceedings 2014 Springer Internatio

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Extending OpenStack Access Control with Domain Trust response to increasing access control requirements from its users, the OpenStack identity service Keystone has introduced several entities, such as domains and projects in addition to roles, resulting in a rather complex and somewhat obscure authorization model. In this paper, we present a formaliz

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A Limited Proxy Re-encryption with Keyword Search for Data Access Control in Cloud Computingmputing, which combines the function of limited proxy re-encryption (LPRE) and that of public key encryption with keyword search (PEKS). However, an LPREKS scheme cannot be obtained by directly combining those two schemes since the resulting scheme is no longer proven secure in our security model. O

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psOBJ: Defending against Traffic Analysis with pseudo-Objectsr. On the other hand, the server responses with required object contents. This makes the traffic of a specified web page demonstrate pattern features different from other pages. Traffic analysis techniques can extract these features to identify web pages effectively even if the traffic is encrypted.

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Revisiting Node Injection of P2P Botnetnificant to enhance our understanding of unstructured P2P Botnets which prove to be resilient against various dismantle efforts. Node injection technique is quite effective in enumerating infected hosts from P2P Botnets, but no previous work has investigated the effectiveness of this method in a qua

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Exploiting the?Hard-Wired Vulnerabilities of?Newscast via?Connectivity-Splitting Attack-to-peer data exchange protocol. The Newscast protocol forms an overlay network and keeps it connected by means of an epidemic algorithm, thus featuring a complex, spatially structured, and dynamically changing environment. It has recently become very popular due to its inherent resilience to node v

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A Meet-in-the-Middle Attack on Round-Reduced mCrypton Using the Differential Enumeration Techniqueound distinguisher and lower the memory requirement from 2. to 2. using the differential enumeration technique. Based on the distinguisher, we launch a MITM attack on 7-round mCrypton-64/96/128 with complexities of 2. 64-bit blocks and 2. encryptions. Then we extend the basic attack to 8 rounds for

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