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INDOCRYPT
2003
Springer
14 years 18 days ago
Security Analysis of Several Group Signature Schemes
At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. ...
Guilin Wang
CISC
2008
Springer
152views Cryptology» more  CISC 2008»
13 years 9 months ago
Privacy for Private Key in Signatures
One of the important applications of digital signature is anonymous credential or pseudonym system. In these scenarios, it is essential that the identity of the signer is kept secr...
Qianhong Wu, Bo Qin, Yi Mu, Willy Susilo
ASIACRYPT
2001
Springer
13 years 12 months ago
How to Leak a Secret
In this paper we formalize the notion of a ring signature, which makes it possible to specify a set of possible signers without revealing which member actually produced the signatu...
Ronald L. Rivest, Adi Shamir, Yael Tauman
EUROCRYPT
2009
Springer
14 years 8 months ago
Realizing Hash-and-Sign Signatures under Standard Assumptions
Currently, there are relatively few instances of "hash-and-sign" signatures in the standard model. Moreover, most current instances rely on strong and less studied assum...
Susan Hohenberger, Brent Waters
ASIACRYPT
2011
Springer
12 years 7 months ago
Short Signatures from Weaker Assumptions
We provide constructions of (m, 1)-programmable hash functions (PHFs) for m ≥ 2. Mimicking certain programmability properties of random oracles, PHFs can, e.g., be plugged into ...
Dennis Hofheinz, Tibor Jager, Eike Kiltz