In this paper, an efficient totalordering directed transitive signature scheme is proposed and its security against adaptive chosen-message attack is proved.
该文提出一个高效的全序有向传递签名方案,并证明该方案在选择明文攻击下是安全的。
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A scenario to be addressed by each manager is that how to design multi-item ordering quantity in order to not only reduce the inventory lever but also minimize the total order cost.
The total cost includes the ordering cost, storage cost and back-order loss in the storage management which under the condition of limited warehouse capacity.