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ACISP
2003
Springer
13 years 8 months ago
Digital Signature Schemes with Restriction on Signing Capability
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
Jung Yeon Hwang, Hyun-Jeong Kim, Dong Hoon Lee, Jo...
CORR
2008
Springer
96views Education» more  CORR 2008»
13 years 5 months ago
New Extensions of Pairing-based Signatures into Universal (Multi) Designated Verifier Signatures
The concept of universal designated verifier signatures was introduced by Steinfeld, Bull, Wang and Pieprzyk at Asiacrypt 2003. These signatures can be used as standard publicly ve...
Damien Vergnaud
TCC
2004
Springer
100views Cryptology» more  TCC 2004»
13 years 10 months ago
On the Random-Oracle Methodology as Applied to Length-Restricted Signature Schemes
In earlier work, we described a “pathological” example of a signature scheme that is secure in the Random Oracle Model, but for which no secure implementation exists. For that...
Ran Canetti, Oded Goldreich, Shai Halevi
ISW
2004
Springer
13 years 10 months ago
Chameleon Hashing Without Key Exposure
Abstract. Chameleon signatures are based on well established hashand-sign paradigm, where a chameleon hash function is used to compute the cryptographic message digest. Chameleon s...
Xiaofeng Chen, Fangguo Zhang, Kwangjo Kim
INFORMATICALT
2007
122views more  INFORMATICALT 2007»
13 years 5 months ago
A Concealed t-out-of-n Signer Ambiguous Signature Scheme with Variety of Keys
In 2004, Abe et al. proposed a threshold signer-ambiguous signature scheme from variety of keys. Their scheme is a generalized case of the ring signature scheme, and it allows the ...
Ya-Fen Chang, Chin-Chen Chang, Pei-Yu Lin