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IACR
2011
73views more  IACR 2011»
14 years 1 months ago
Secure Authentication from a Weak Key, Without Leaking Information
We study the problem of authentication based on a weak key in the information-theoretic setting. A key is weak if its min-entropy is an arbitrary small fraction of its bit length. ...
Niek J. Bouman, Serge Fehr
ICNP
2006
IEEE
15 years 7 months ago
On the Practical and Security Issues of Batch Content Distribution Via Network Coding
— File distribution via network coding has received a lot of attention lately. However, direct application of network coding may have security problems. In particular, attackers ...
Qiming Li, Dah-Ming Chiu, John C. S. Lui
CRYPTO
2005
Springer
171views Cryptology» more  CRYPTO 2005»
15 years 7 months ago
On Codes, Matroids and Secure Multi-party Computation from Linear Secret Sharing Schemes
Error correcting codes and matroids have been widely used in the study of ordinary secret sharing schemes. In this paper, we study the connections between codes, matroids, and a s...
Ronald Cramer, Vanesa Daza, Ignacio Gracia, Jorge ...
CORR
2010
Springer
65views Education» more  CORR 2010»
15 years 1 months ago
On Unconditionally Secure Computation with Vanishing Communication Cost
We propose a novel distortion-theoretic approach to a secure three-party computation problem. Alice and Bob have deterministic sequences, and Charlie wishes to compute a normalize...
Ye Wang, Shantanu Rane, Wei Sun, Prakash Ishwar
ICDCSW
2003
IEEE
15 years 7 months ago
Foundations of Security for Hash Chains in Ad Hoc Networks
Nodes in ad hoc networks generally transmit data at regular intervals over long periods of time. Recently, ad hoc network nodes have been built that run on little power and have v...
Phillip G. Bradford, Olga V. Gavrylyako