The Transfer of Trust-Chain with Damp

For the need of privilege among the people in pervasive computing environment, trust management became a hot study lecture. There are credential-based trust management and evidence-based trust management. They explain the basis of privilege in terms of a rational trust and an irrational trust respectively. But the existing trust management model didn't combine them well. So as to be more in accord with the subjectivity and fuzzification of trust in reality, this text puts forward a new trust management model. The clou of this model is the transfer of trust chain with damp.