One of these two new schemes was an efficiently improved scheme without computing any inverse while Camenisch et al's scheme needs.
在这两个新的方案中，一个与已有方案效率相当，另一个因无需求逆运算而效率更高。
One of these two new schemes was an efficiently improved scheme without computing any inverse while Camenisch et al's scheme needs.
在这两个新的方案中，一个与已有方案效率相当，另一个因无需求逆运算而效率更高。
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