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ACNS
2007
Springer
129views Cryptology» more  ACNS 2007»
14 years 4 days 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
PROVSEC
2007
Springer
14 years 2 days ago
Practical Threshold Signatures Without Random Oracles
We propose a secure threshold signature scheme without trusted dealer. Our construction is based on the recently proposed signature scheme of Waters in EUROCRYPT’05. The new thre...
Jin Li, Tsz Hon Yuen, Kwangjo Kim
EUROCRYPT
2006
Springer
13 years 9 months ago
Sequential Aggregate Signatures and Multisignatures Without Random Oracles
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive f...
Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shac...
AFRICACRYPT
2010
Springer
14 years 23 days ago
Fair Blind Signatures without Random Oracles
A fair blind signature is a blind signature with revocable anonymity and unlinkability, i.e., an authority can link an issuing session to the resulting signature and trace a signat...
Georg Fuchsbauer, Damien Vergnaud
DAM
2006
121views more  DAM 2006»
13 years 6 months ago
Fine-grained forward-secure signature schemes without random oracles
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
Jan Camenisch, Maciej Koprowski