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PKC
2007
Springer
129views Cryptology» more  PKC 2007»
14 years 2 months ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup
CRYPTO
2007
Springer
99views Cryptology» more  CRYPTO 2007»
14 years 2 months ago
Practical Cryptanalysis of SFLASH
In this paper, we present a practical attack on the signature scheme SFLASH proposed by Patarin, Goubin and Courtois in 2001 following a design they had introduced in 1998. The att...
Vivien Dubois, Pierre-Alain Fouque, Adi Shamir, Ja...
CIS
2005
Springer
14 years 2 months ago
On Anonymity of Group Signatures
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
Sujing Zhou, Dongdai Lin
AFRICACRYPT
2008
Springer
14 years 2 months ago
Cryptanalysis of the TRMS Signature Scheme of PKC'05
In this paper, we investigate the security of the Tractable Rationale Maps Signature (TRMS) signature scheme [9] proposed at PKC’05. To do so, we present a hybrid approach for so...
Luk Bettale, Jean-Charles Faugère, Ludovic ...
EUROCRYPT
2004
Springer
14 years 1 months ago
Short Signatures Without Random Oracles
We describe a short signature scheme that is strongly existentially unforgeable under an adaptive chosen message attack in the standard security model. Our construction works in g...
Dan Boneh, Xavier Boyen