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» Improving the Exact Security of Digital Signature Schemes
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IEEEARES
2009
IEEE
14 years 2 months ago
Identity-Based Hybrid Signcryption
—Signcryption is a cryptographic primitive that fulfills both the functions of digital signature and public key encryption simultaneously, at a cost significantly lower than th...
Fagen Li, Masaaki Shirase, Tsuyoshi Takagi
CRYPTO
2006
Springer
125views Cryptology» more  CRYPTO 2006»
13 years 11 months ago
Automated Security Proofs with Sequences of Games
This paper presents the first automatic technique for proving not only protocols but also primitives in the exact security computational model. Automatic proofs of cryptographic pr...
Bruno Blanchet, David Pointcheval
CORR
2004
Springer
107views Education» more  CORR 2004»
13 years 7 months ago
Security of public key cryptosystems based on Chebyshev Polynomials
Chebyshev polynomials have been recently proposed for designing public-key systems. Indeed, they enjoy some nice chaotic properties, which seem to be suitable for use in Cryptogra...
Pina Bergamo, Paolo D'Arco, Alfredo De Santis, Lju...
CCS
2004
ACM
14 years 1 months ago
On achieving software diversity for improved network security using distributed coloring algorithms
It is widely believed that diversity in operating systems, software packages, and hardware platforms will decrease the virulence of worms and the effectiveness of repeated applic...
Adam J. O'Donnell, Harish Sethu
PODS
1999
ACM
121views Database» more  PODS 1999»
13 years 12 months ago
Tracking Join and Self-Join Sizes in Limited Storage
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
Noga Alon, Phillip B. Gibbons, Yossi Matias, Mario...