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JCST
2008
120views more  JCST 2008»
13 years 8 months ago
Generic Transformation from Weakly to Strongly Unforgeable Signatures
Current techniques for transforming unforgeable signature schemes (the forged message has never been signed) to strongly unforgeable ones (the forged message could have been signed...
Qiong Huang, Duncan S. Wong, Jin Li, Yiming Zhao
ASIACRYPT
2003
Springer
14 years 1 months ago
The Insecurity of Esign in Practical Implementations
Provable security usually makes the assumption that a source of perfectly random and secret data is available. However, in practical applications, and especially when smart cards a...
Pierre-Alain Fouque, Nick Howgrave-Graham, Gwena&e...
CCS
2008
ACM
13 years 10 months ago
Certificateless signcryption
Certificateless cryptography achieves the best of the two worlds: it inherits from identity-based techniques a solution to the certificate management problem in public-key encrypti...
Manuel Barbosa, Pooya Farshim
LATINCRYPT
2010
13 years 7 months ago
A Lattice-Based Threshold Ring Signature Scheme
In this article, we propose a new lattice-based threshold ring signature scheme, modifying Aguilar’s code-based solution to use the short integer solution (SIS) problem as securi...
Pierre-Louis Cayrel, Richard Lindner, Markus R&uum...
ACNS
2007
Springer
129views Cryptology» more  ACNS 2007»
14 years 2 months ago
Gradually Convertible Undeniable Signatures
In 1990, Boyar, Chaum, Damg˚ard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
Laila El Aimani, Damien Vergnaud