6137 search results - page 438 / 1228 » Securing Collaborative Applications |
163
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CRYPTO
2004
Springer
16 years 29 days ago
2004
Springer
Abstract. In this paper, we study the existence of multicollisions in iterated hash functions. We show that finding multicollisions, i.e. r-tuples of messages that all hash to the...
219
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FC
2004
Springer
16 years 29 days ago
2004
Springer
Chameleon signatures are non-interactive signatures based on a hash-and-sign paradigm, and similar in efficiency to regular signatures. The distinguishing characteristic of chamel...
171
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MM
2000
ACM
15 years 12 months ago
2000
ACM
The scope of this article is to clarify the current legal and political situation related to electronic surveillance on the one hand, and to export regulations for encryption soft...
163
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NSDI
2008
15 years 10 months ago
2008
Discretization is used in click-based graphical passwords so that approximately correct entries can be accepted by the system. We show that the existing discretization scheme of B...
170
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SEC
2007
15 years 9 months ago
2007
This paper deals with a joint use of a trust evaluation approach and access control mechanisms for improving security in Web-usage. Trust evaluation is achieved by means of both be...