One way to demonstrate authorized use of a security token is to include a digital signature using the associated secret key (from a proof-of-possession token).

演示安全令牌已授权应用的一种方式是，添加采用相关联密钥（来自于占有证据令牌）的数字签名。

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During registration, either the client provides the public key, along with some proof of possession of the corresponding private key, or the service provider generates the key pair for the client.

在注册期间，要么是客户机提供公钥以及其他证明其拥有相应私钥的某些证据，要么是服务提供程序为客户机生成密钥对。

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This proof of possession is similar to how the SSL handshake protocol uses encryption to prove that a client is in fact the holder of a private key, without sending the key itself.

这种所有权证明类似于 SSL 握手协议使用加密来证明客户端是私有密匙的持有者，而不需要发送密匙本身。

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