250 search results - page 31 / 50 » Improving the Exact Security of Digital Signature Schemes |
DRM
2003
Springer
14 years 27 days ago
2003
Springer
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
CCS
2010
ACM
14 years 2 months ago
2010
ACM
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
PCM
2004
Springer
14 years 1 months ago
2004
Springer
Recently, Yen and Guo proposed a chaotic neural network (CNN) for signal encryption, which was suggested as a solution for protection of digital images and videos. The present pape...
JOC
2007
13 years 7 months ago
2007
Signcryption is a public key or asymmetric cryptographic method that provides simultaneously both message confidentiality and unforgeability at a lower computational and communica...
PKC
1998
Springer
13 years 12 months ago
1998
Springer
The ElGamal encryption scheme has been proposed several years ago and is one of the few probabilistic encryption schemes. However, its security has never been concretely proven bas...