这个类可以处理检验用户名和密码的UsernameToken示例，也可以处理使用签名和加密的示例(在本文的下一节中讨论)。

This class includes handling for both the UsernameToken case of verifying a username and password and the case of using signing and encryption (discussed in this article's next main section).

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该方法兼有两类加密体制的优点：既有对称密码加密体制的加密速度快，强度高的优点，又拥有公钥密码体制在密钥分发与管理上的优势。

It has strongpoint of symmetry encryption scheme such as encryption speed and encrypt intensity, but also has advantage of public key encryption scheme on key distribution and key management.

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分析了基于身份加密体制的构造框架，利用剩余类环上的椭圆曲线密码实现了一种新的基于身份的加密机制。

The configuration of ID-based Encryption is analyzed. A new ID-based Encryption is realized with the Elliptic curve over the residue class ring.

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