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IACR
2011
115views more  IACR 2011»
12 years 6 months ago
Multi-Server Oblivious RAM
Secure two-party computation protocol allows two players, Alice with secret input x and Bob with secret input y, to jointly execute an arbitrary program π(x, y) such that only th...
Steve Lu, Rafail Ostrovsky
CRYPTO
2010
Springer
157views Cryptology» more  CRYPTO 2010»
13 years 8 months ago
Oblivious RAM Revisited
We reinvestigate the oblivious RAM concept introduced by Goldreich and Ostrovsky, which enables a client, that can store locally only a constant amount of data, to store remotely ...
Benny Pinkas, Tzachy Reinman
IACR
2011
127views more  IACR 2011»
12 years 6 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...
IACR
2011
110views more  IACR 2011»
12 years 6 months ago
On the (In)security of Hash-based Oblivious RAM and a New Balancing Scheme
With the gaining popularity of remote storage (e.g. in the Cloud), we consider the setting where a small, protected local machine wishes to access data on a large, untrusted remot...
Eyal Kushilevitz, Steve Lu, Rafail Ostrovsky
ACNS
2010
Springer
150views Cryptology» more  ACNS 2010»
13 years 11 months ago
Regulatory Compliant Oblivious RAM
Abstract. We introduce WORM-ORAM, a first mechanism that combines Oblivious RAM (ORAM) access privacy and data confidentiality with Write Once Read Many (WORM) regulatory data re...
Bogdan Carbunar, Radu Sion