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JOC
2008
92views more  JOC 2008»
13 years 9 months ago
Cryptanalysis of ISO/IEC 9796-1
We describe two different attacks against the iso/iec 9796-1 signature standard for RSA and Rabin. Both attacks consist in an existential forgery under a chosen-message attack: the...
Don Coppersmith, Jean-Sébastien Coron, Fran...
ASIACRYPT
2006
Springer
14 years 1 months ago
New Approach for Selectively Convertible Undeniable Signature Schemes
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
Kaoru Kurosawa, Tsuyoshi Takagi
EUROCRYPT
2005
Springer
14 years 3 months ago
3-Move Undeniable Signature Scheme
In undeniable signature schemes, zero-knowledgeness and non-transferability have been identified so far. In this paper, by separating these two notions, we show the first 3-move ...
Kaoru Kurosawa, Swee-Huay Heng
AINA
2004
IEEE
14 years 1 months ago
An Identity-based Ring Signature Scheme from Bilinear Pairings
At the conference Asiacrypt 2001, Rivest, Shamir and Tauman firstly addressed the concept of ring signature. In this paper we propose an identity-based ring signature scheme from ...
Chih-Yin Lin, Tzong-Chen Wu
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
14 years 4 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