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IJNSEC
2006
122views more  IJNSEC 2006»
13 years 8 months ago
A Directed Signature Scheme Based on RSA Assumption
A directed signature scheme allows a designated verifier to directly verify a signature issued to him, and a third party to check the signature validity with the help of the signe...
Rongxing Lu, Zhenfu Cao
CANS
2009
Springer
121views Cryptology» more  CANS 2009»
14 years 3 months ago
On Cryptographic Schemes Based on Discrete Logarithms and Factoring
Abstract. At CRYPTO 2003, Rubin and Silverberg introduced the concept of torus-based cryptography over a finite field. We extend their setting to the ring of integers modulo N. W...
Marc Joye
PKC
2001
Springer
95views Cryptology» more  PKC 2001»
14 years 1 months ago
The Gap-Problems: A New Class of Problems for the Security of Cryptographic Schemes
This paper introduces a novel class of computational problems, the gap problems, which can be considered as a dual to the class of the decision problems. We show the relationship a...
Tatsuaki Okamoto, David Pointcheval
EUROCRYPT
2004
Springer
14 years 1 months ago
Security Proofs for Identity-Based Identification and Signature Schemes
Mihir Bellare, Chanathip Namprempre, Gregory Neven
PAIRING
2009
Springer
119views Cryptology» more  PAIRING 2009»
14 years 3 months ago
Compact E-Cash and Simulatable VRFs Revisited
Abstract. Efficient non-interactive zero-knowledge proofs are a powerful tool for solving many cryptographic problems. We apply the recent Groth-Sahai (GS) proof system for pairing...
Mira Belenkiy, Melissa Chase, Markulf Kohlweiss, A...