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ISW
2009
Springer
14 years 1 months ago
Nonce Generators and the Nonce Reset Problem
A nonce is a cryptographic input value which must never repeat within a given context. Nonces are important for the security of many cryptographic building blocks, such as stream c...
Erik Zenner
FOCS
2007
IEEE
14 years 1 months ago
Lower Bounds on Signatures From Symmetric Primitives
We show that every construction of one-time signature schemes from a random oracle achieves black-box security at most 2(1+o(1))q , where q is the total number of oracle queries a...
Boaz Barak, Mohammad Mahmoody-Ghidary
INDOCRYPT
2009
Springer
14 years 1 months ago
Towards Secure and Practical MACs for Body Sensor Networks
Wireless sensor network (WSN) commonly requires lower level security for public information gathering, whilst body sensor network (BSN) must be secured with strong authenticity to...
Zheng Gong, Pieter H. Hartel, Svetla Nikova, Bo Zh...
ISW
2009
Springer
14 years 1 months ago
MAC Precomputation with Applications to Secure Memory
We present ShMAC (Shallow MAC), a fixed input length message authentication code that performs most of the computation prior to the availability of the message. Specifically, Sh...
Juan A. Garay, Vladimir Kolesnikov, Rae McLellan
DBSEC
2007
116views Database» more  DBSEC 2007»
13 years 8 months ago
Provably-Secure Schemes for Basic Query Support in Outsourced Databases
In this paper, we take a closer look at the security of outsourced databases (aka Database-as-the-Service or DAS), a topic of emerging importance. DAS allows users to store sensit...
Georgios Amanatidis, Alexandra Boldyreva, Adam O'N...