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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 5 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 4 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
14 years 28 days 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 11 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