284 search results - page 43 / 57 » A New Key-Insulated Signature Scheme |
151
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PODC
2003
ACM
15 years 10 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 ...
154
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DRM
2003
Springer
15 years 10 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...
170
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ASIACRYPT
2001
Springer
15 years 9 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...
130
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EDCC
1994
Springer
15 years 9 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...
150
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DRM
2008
Springer
15 years 7 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...