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IACR
2011
110views more  IACR 2011»
14 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
IACR
2011
88views more  IACR 2011»
14 years 6 months ago
GCM, GHASH and Weak Keys
The Galois/Counter Mode (GCM) of operation has been standardized by NIST to provide single-pass authenticated encryption. The GHASH authentication component of GCM belongs to a cla...
Markku-Juhani O. Saarinen
IACR
2011
158views more  IACR 2011»
14 years 6 months ago
Can Homomorphic Encryption be Practical?
Abstract. The prospect of outsourcing an increasing amount of data storage and management to cloud services raises many new privacy concerns for individuals and businesses alike. T...
Kristin Lauter, Michael Naehrig, Vinod Vaikuntanat...
IACR
2011
292views more  IACR 2011»
14 years 6 months ago
Practical Relay Attack on Contactless Transactions by Using NFC Mobile Phones
—Contactless technology is widely used in security sensitive applications, including identification, payment and access-control systems. Near Field Communication (NFC) is a shor...
Lishoy Francis, Gerhard P. Hancke, Keith Mayes, Ko...