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» Secure Mediation: Requirements and Design
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IFIP
2010
Springer
13 years 4 months ago
Cryptographic Enforcement of Role-Based Access Control
Many cryptographic schemes have been designed to enforce information flow policies. However, enterprise security requirements are often better encoded, or can only be encoded, usin...
Jason Crampton
IACR
2011
122views more  IACR 2011»
12 years 8 months ago
On Authenticated Encryption Using Stream Ciphers Supporting an Initialisation Vector
We describe a systematic framework for using a stream cipher supporting an initialisation vector (IV) to perform various tasks of authentication and authenticated encryption. These...
Palash Sarkar
CCS
2009
ACM
14 years 4 months ago
Scalable onion routing with torsk
We introduce Torsk, a structured peer-to-peer low-latency anonymity protocol. Torsk is designed as an interoperable replacement for the relay selection and directory service of th...
Jon McLachlan, Andrew Tran, Nicholas Hopper, Yongd...
CCS
2007
ACM
14 years 3 months ago
Pors: proofs of retrievability for large files
In this paper, we define and explore proofs of retrievability (PORs). A POR scheme enables an archive or back-up service (prover) to produce a concise proof that a user (verifier...
Ari Juels, Burton S. Kaliski Jr.
WS
2005
ACM
14 years 2 months ago
Hotspot-based traceback for mobile ad hoc networks
Traceback schemes are useful to identify the source of an attack. Existing traceback systems are not suitable for Mobile Ad Hoc Networks (MANET) because they rely on assumptions s...
Yi-an Huang, Wenke Lee