134 search results - page 9 / 27 » On the security of a convertible group signature scheme |
EUROCRYPT
2010
Springer
14 years 20 days ago
2010
Springer
We develop an abstract framework that encompasses the key properties of bilinear groups of composite order that are required to construct secure pairing-based cryptosystems, and we...
IACR
2011
12 years 7 months ago
2011
We present a generic transformation that allows us to use a large class of pairing-based signatures to construct schemes for signing group elements in a structure preserving way. A...
ACISP
2005
Springer
14 years 1 months ago
2005
Springer
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
ASIACRYPT
2003
Springer
14 years 1 months ago
2003
Springer
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
ACISP
2005
Springer
14 years 1 months ago
2005
Springer
A blind signature scheme is a protocol for obtaining a digital signature from a signer, but the signer can neither learn the messages he/she sign nor the signatures the recipients ...