2601 search results - page 110 / 521 » Secure Rewarding Schemes |
131
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CRYPTO
2011
Springer
14 years 2 months ago
2011
Springer
We present a somewhat homomorphic encryption scheme that is both very simple to describe and analyze, and whose security (quantumly) reduces to the worst-case hardness of problems ...
109
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IJNSEC
2008
15 years 3 months ago
2008
Recently, Tian et al. presented an article, in which they discussed some security weaknesses of Yoon et al.'s scheme and subsequently proposed two "improved" scheme...
158
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FOCS
1999
IEEE
15 years 7 months ago
1999
IEEE
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
120
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ACISP
2003
Springer
15 years 6 months ago
2003
Springer
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
101
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WEBNET
1997
15 years 4 months ago
1997
In this paper we describe an experimental implementation of the MicroMint micropayment scheme in Java. We apply this scheme to purchasing Web pages. A prerequisite was to accompli...