Abstract
Trusted Network Connect(TNC)is considered as an important part of trusted network architecture,and with its deeper research and application development,whether it is enough trustworthy during TNC platform authentication and access control becomes a key problem.In the paper,we mainly focus on the trustworthy problem of TNC.First,we proposed a novel security quantifying method which is based on semi-Markov processes.And then,according to the potential threat and security holes during typical message flow and access authorization process in TNC specification,we proposed a set of trustworthy enhanced mechanisms,which is verified by our security quantifying method.Finally a TNC prototype system framework based on IXP2400 network processor is built to be a performance evaluation and trustworthy verification platform.
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