17 search results - page 3 / 4 » Efficient Group Signatures without Trapdoors |
CANS
2009
Springer
13 years 3 months ago
2009
Springer
Group signatures allow users to anonymously sign messages in the name of a group. Membership revocation has always been a critical issue in such systems. In 2004, Boneh and Shacham...
ASIACRYPT
2006
Springer
13 years 9 months ago
2006
Springer
Non-interactive zero-knowledge proofs play an essential role in many cryptographic protocols. We suggest several NIZK proof systems based on prime order groups with a bilinear map...
EUROCRYPT
2008
Springer
13 years 7 months ago
2008
Springer
Abstract--We consider the use of threshold signatures in adhoc and dynamic groups such as MANETs ("mobile ad-hoc networks"). We first show that known threshold RSA signat...
CISC
2008
Springer
13 years 8 months ago
2008
Springer
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...
EUROCRYPT
2000
Springer
13 years 9 months ago
2000
Springer
Alice wants to prove that she is young enough to borrow money from her bank, without revealing her age. She therefore needs a tool for proving that a committed number lies in a spe...