In this paper,a new anonymous divisible E-cash protocol was proposed,by making use of the physical security of PBOC2.0 IC Card,to support off-line transaction.The proposed protocol is more efficient than those based on partial blind signature or zero-knowledge proof.It also integrates a control mechanism to regulate withdrawal,payment,loss reporting and deposit of coins,so as to erase the relationships among different coins and maintain anonymity.Moreover,security was proved under both cryptology principles...
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