Abstract
To solve the problem of transmitting credentials and other resources through unsafe physical channels during an Automated Trust Negotiation(ATN),a transmission scheme for credentials and resources was proposed based on magic cube algorithm.Through the magic cube algorithm,a transformation sequence was formed in terms of the request or the resource of negotiation initiator,followed by the digital digest to generate the information transformation sequence.According to the logical expression composed of credentials which represent the condition negotiation success,the information transformation sequence was shuffled to form an information transmission sequence,which was sent to the negotiation receiver.The information transmission sequence was reciprocally transformed by the negotiation receiver according to his own credentials.This scheme has many features of the one-round credential exchange,and little network cost.The example shows that the scheme is feasible,and the experimental results show that the scheme has good security and efficiency and low information transmission capacity.
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