134 search results - page 21 / 27 » On the security of a convertible group signature scheme |
IACR
2011
12 years 7 months ago
2011
In this paper, we explore a general methodology for converting composite order pairingbased cryptosystems into the prime order setting. We employ the dual pairing vector space app...
TPDS
1998
13 years 7 months ago
1998
—We suggest a method of controlling the access to a secure database via quorum systems. A quorum system is a collection of sets (quorums) every two of which have a nonempty inter...
INFORMATICALT
2010
13 years 6 months ago
2010
Abstract. Delegation of rights is a common practice in the real world. We present two identitybased threshold proxy signature schemes, which allow an original signer to delegate he...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
A multi-signature scheme enables a group of signers to produce a compact, joint signature on a common document, and has many potential uses. However, existing schemes impose key s...
CTRSA
2009
Springer
13 years 11 months ago
2009
Springer
In many applications, it is desirable to work with signatures that are both short, and yet where many messages from different signers be verified very quickly. RSA signatures sati...