The example uses a lazy initialization approach and caches a reference to the Public Key from the CA Certificate to avoid the need to reload it each time the handler is invoked.

该实例使用滞后初始化的方案并缓存 CA 证书中的公共密匙的引用来避免每次处理程序调用时都要重新加载它。

youdao

When the server replies to the client, it needs to reference that same certificate from the client as used in the encryption processing.

当服务器对客户端进行应答时，进行加密处理时需要引用那个证书。

youdao

The thumbprint reference is much more compact than a full certificate, so using the reference reduces the message size and processing overhead.

thumbprint reference 要比完整的证书更加简洁，因此使用引用可以减小消息的大小和处理开销。

youdao

Sengupta was found to have forged documents including a birth certificate, college and law school diplomas, reference letters and even a law school transcript.

WSJ: Former British paralegal guilty of lying in NYC