270 search results - page 41 / 54 » Practical forward secure group signature schemes |
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TCC
2005
Springer
15 years 3 months ago
2005
Springer
We address the problem of using untrusted (potentially malicious) cryptographic helpers. We provide a formal security definition for securely outsourcing computations from a comp...
COMPSAC
2007
IEEE
15 years 3 months ago
2007
IEEE
We present in this paper an adaptive security model for Multi-agent systems. A security meta-model has been developed in which the traditional role concept has been extended. The ...
91
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ICISC
2009
14 years 7 months ago
2009
Minimizing complexity of group key exchange (GKE) protocols is an important milestone towards their practical deployment. An interesting approach to achieve this goal is to simplif...
CCS
2008
ACM
14 years 11 months ago
2008
ACM
Multisignatures allow n signers to produce a short joint signature on a single message. Multisignatures were achieved in the plain model with a non-interactive protocol in groups ...
78
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ETRICS
2006
15 years 1 months ago
2006
Anonymity services in the EU may be forced by the new EU data retention directive to collect connection data and deanonymise some of their users in case of serious crimes. For this...