Trust vector-based sensitive information protecting scheme in automatic trust negotiation

The existing sensitive information protecting schemes can not satisfy the actual security requirement of some applications. A trust vector based sensitive information protecting scheme is presented based on the existing schemes. One side in trust negotiation can selectively exposes the sensitive attributes to the other side in trust negotiation process based on personal security policy and the trust evaluation result of the other. The implementation process is given in concrete application instances and the scheme is analyzed.