So it is necessary to adopt one encrypt intensity high algorithm encrypt some important data, in order to prevent that legal users operate over authority, illegal user attack viciously.

因此，有必要采用一种加密强度比较高的加密算法来加密一些重要数据，以防止合法用户的越权操作和非法用户的恶意攻击。

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Porto had clearly decided that attack was the best form of defense, and Lisandro had already seen a viciously swerving shot turned over by Edwin van der Sar when Rodriguez capitalised on two woeful pieces of United play to open the scoring.

CNN: Holders United denied win by proud Porto