284 search results - page 43 / 57 » A New Key-Insulated Signature Scheme |
PODC
2003
ACM
14 years 2 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...
DRM
2003
Springer
14 years 2 months 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...
ASIACRYPT
2001
Springer
14 years 1 months ago
2001
Springer
A Zero-knowledge protocol provides provably secure entity authentication based on a hard computational problem. Among many schemes proposed since 1984, the most practical rely on f...
EDCC
1994
Springer
14 years 1 months ago
1994
Springer
A new control flow checking scheme, based on assigned-signature checking by a watchdog processor, is presented. This scheme is suitable for a multitasking, multiprocessor environme...
DRM
2008
Springer
13 years 11 months ago
2008
Springer
The recent attack on Apple iTunes Digital Rights Management [17] has brought to light the usefulness of proxy re-encryption schemes for Digital Rights Management. It is known that...