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EUROCRYPT
2009
Springer
15 years 10 months ago
Order-Preserving Symmetric Encryption
We initiate the cryptographic study of order-preserving symmetric encryption (OPE), a primitive suggested in the database community by Agrawal et al. (SIGMOD '04) for allowin...
Alexandra Boldyreva, Nathan Chenette, Younho Lee, ...
CCS
2007
ACM
15 years 4 months ago
Program obfuscation: a quantitative approach
Despite the recent advances in the theory underlying obfuscation, there still is a need to evaluate the quality of practical obfuscating transformations more quickly and easily. T...
Bertrand Anckaert, Matias Madou, Bjorn De Sutter, ...
ACISP
2005
Springer
15 years 3 months ago
On the Possibility of Constructing Meaningful Hash Collisions for Public Keys
It is sometimes argued (as in [6]) that finding meaningful hash collisions might prove difficult. We show that at least one of the arguments involved is wrong, by showing that for...
Arjen K. Lenstra, Benne de Weger
ICALP
2005
Springer
15 years 3 months ago
Single-Database Private Information Retrieval with Constant Communication Rate
We present a single-database private information retrieval (PIR) scheme with communication complexity O(k+d), where k ≥ log n is a security parameter that depends on the database...
Craig Gentry, Zulfikar Ramzan
EUROPKI
2004
Springer
15 years 3 months ago
Distributed CA-based PKI for Mobile Ad Hoc Networks Using Elliptic Curve Cryptography
The implementation of a standard PKI in a mobile ad hoc network (MANET) is not practical for several reasons: (1) lack of a fixed infrastructure; (2) a centralized certification au...
Charikleia Zouridaki, Brian L. Mark, Kris Gaj, Ros...