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» On the security of a convertible group signature scheme
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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
ACNS
2003
Springer
131views Cryptology» more  ACNS 2003»
14 years 1 months ago
On the Security of Two Threshold Signature Schemes with Traceable Signers
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
Guilin Wang, Xiaoxi Han, Bo Zhu
ISPEC
2010
Springer
13 years 9 months ago
An Efficient Convertible Undeniable Signature Scheme with Delegatable Verification
Abstract. Undeniable signatures, introduced by Chaum and van Antwerpen, require a verifier to interact with the signer to verify a signature, and hence allow the signer to control ...
Jacob C. N. Schuldt, Kanta Matsuura
IJNSEC
2008
98views more  IJNSEC 2008»
13 years 7 months ago
A New Type of Designated Confirmer Signatures for a Group of Individuals
A new concept of society-oriented designated confirmer signatures (SDCS) is introduced in this paper. SDCS is well suited to applications where the capability of the signer and th...
Baodian Wei, Fangguo Zhang, Xiaofeng Chen