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IACR
2011
127views more  IACR 2011»
12 years 10 months ago
Oblivious RAM with O((log N)^3) Worst-Case Cost
Oblivious RAM (O-RAM) is a useful primitive that allows a client to hide its data access patterns from an untrusted server in storage outsourcing applications. This paper proposes...
Elaine Shi, T.-H. Hubert Chan, Emil Stefanov, Ming...
CORR
2008
Springer
128views Education» more  CORR 2008»
13 years 11 months ago
Fork Sequential Consistency is Blocking
We consider an untrusted server storing shared data on behalf of clients. We show that no storage access protocol can on the one hand preserve sequential consistency and wait-free...
Christian Cachin, Idit Keidar, Alexander Shraer
ICICS
2007
Springer
14 years 2 months ago
Time and Space Efficient Algorithms for Two-Party Authenticated Data Structures
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...
Charalampos Papamanthou, Roberto Tamassia
CCS
2007
ACM
14 years 2 months ago
Offline untrusted storage with immediate detection of forking and replay attacks
We address the problem of using an untrusted server with only a trusted timestamping device (TTD) to provide trusted storage for a large number of clients, where each client may o...
Marten van Dijk, Jonathan Rhodes, Luis F. G. Sarme...
SP
2000
IEEE
117views Security Privacy» more  SP 2000»
14 years 3 months ago
Practical Techniques for Searches on Encrypted Data
It is desirable to store data on data storage servers such as mail servers and file servers in encrypted form to reduce security and privacy risks. But this usually implies that ...
Dawn Xiaodong Song, David Wagner, Adrian Perrig
HOTOS
2003
IEEE
14 years 4 months ago
Secure Data Replication over Untrusted Hosts
Data replication is a widely used technique for achieving fault tolerance and improved performance. With the advent of content delivery networks, it is becoming more and more freq...
Bogdan C. Popescu, Bruno Crispo, Andrew S. Tanenba...
CCS
2009
ACM
14 years 5 months ago
Dynamic provable data possession
As storage-outsourcing services and resource-sharing networks have become popular, the problem of efficiently proving the integrity of data stored at untrusted servers has receiv...
C. Christopher Erway, Alptekin Küpç&uu...