5484 search results - page 198 / 1097 » Almost-Everywhere Secure Computation |
147
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WS
2005
ACM
15 years 10 months ago
2005
ACM
In this paper, we analyze attacks on existing time synchronization protocols for wireless sensor networks. We propose a secure time synchronization toolbox to counter these attack...
142
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SUTC
2008
IEEE
15 years 11 months ago
2008
IEEE
Recently proposed usage control concept and models extend traditional access control models with features for contemporary distributed computing systems, including continuous acce...
150
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Secure communication guaranteeing reliability, authenticity, and privacy in sensor networks with active adversaries is a challenging research problem since asymmetric key cryptosy...
134
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IDTRUST
2009
ACM
15 years 11 months ago
2009
ACM
In this paper, we describe the challenges in using Personal Identity Verification (PIV) cards and PIV-like cards as federated identities to authenticate to US Federal government f...
128
Voted
CCS
2003
ACM
15 years 9 months ago
2003
ACM
Emerging economic P2P applications share the common need for an efficient, secure payment mechanism. In this paper, we present PPay, a micropayment system that exploits unique cha...