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CRYPTO
2009
Springer
154views Cryptology» more  CRYPTO 2009»
14 years 4 months ago
On Bounded Distance Decoding, Unique Shortest Vectors, and the Minimum Distance Problem
We prove the equivalence, up to a small polynomial approximation factor n/ log n, of the lattice problems uSVP (unique Shortest Vector Problem), BDD (Bounded Distance Decoding) and...
Vadim Lyubashevsky, Daniele Micciancio
CRYPTO
2009
Springer
150views Cryptology» more  CRYPTO 2009»
14 years 4 months ago
Short and Stateless Signatures from the RSA Assumption
We present the first signature scheme which is “short”, stateless and secure under the RSA assumption in the standard model. Prior short, standard model signatures in the RSA...
Susan Hohenberger, Brent Waters
CRYPTO
2009
Springer
119views Cryptology» more  CRYPTO 2009»
14 years 4 months ago
How Risky Is the Random-Oracle Model?
RSA-FDH and many other schemes secure in the Random-Oracle Model (ROM) require a hash function with output size larger than standard sizes. We show that the random-oracle instanti...
Gaëtan Leurent, Phong Q. Nguyen
CRYPTO
2009
Springer
150views Cryptology» more  CRYPTO 2009»
14 years 4 months ago
Improving the Security of Quantum Protocols via Commit-and-Open
We consider two-party quantum protocols starting with a transmission of some random BB84 qubits followed by classical messages. We show a general “compiler” improving the secur...
Ivan Damgård, Serge Fehr, Carolin Lunemann, ...
CRYPTO
2009
Springer
105views Cryptology» more  CRYPTO 2009»
14 years 4 months ago
Privacy-Enhancing Auctions Using Rational Cryptography
Abstract. We consider enhancing with privacy concerns a large class of auctions, which include sealed-bid single-item auctions but also general multi-item multi-winner auctions, ou...
Peter Bro Miltersen, Jesper Buus Nielsen, Nikos Tr...