对于非用户的主体，密钥是随机生成的。
For principals other than users, a key is generated randomly.
使用代理服务，对于那些不希望在移动设备上存储用户名以及访问密钥的用户来说，可以使用这个选择。
Via a proxy service, for those not wanting to store their account name and access key on the device.
当然，如果对于每个用户和每个实例使用不同的ssh密钥，Pageant只能为对每个实例的第二次和后续连接提供密钥，但这是实现更高的安全性要付出的代价。
Of course, if you use per-user and per-instance SSH keys, then Pageant can only provide the key for the second and subsequent connections to each instance - but that's the cost of tighter security.
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。
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.
传统的组播密钥管理都假设所有合法组用户可以知道组密钥，这种假设对于商业组播是不现实的。
It is impractical for commercial multicast assuming that all group members know the group key in traditional multicast key management schemes.
传统的组播密钥管理都假设所有合法组用户可以知道组密钥，这种假设对于商业组播是不现实的。
It is impractical for commercial multicast assuming that all group members know the group key in traditional multicast key management schemes.
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