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.