Symmetric algorithms are very efficient and work with a single key for both encryption and decryption calculations.

对称算法非常有效，并且可以与用于加密和解密计算的单一密钥一起使用。

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For simple applications not requiring role-based access control and implementing only a single encryption key, a single user exit could be used for all encryption and decryption functions.

对于不需要基于角色的访问控制，并且只实现一个加密密钥的简单应用程序，那么可以将一个用户出口用于所有加密和解密函数。

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ADFS USES a set of secure protocols like SSL and Public Key encryption to provide Single Sign on to applications that are not hosted inside your network.

ADFS使用SSL和公开密钥加密等一组安全协议，提供了单次登录访问没有放在内部网络上的应用程序这个便利。

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