这两者之间的区别是什么？

What is the difference between the two?

推荐答案

的x509Certificate中引入了.NET 1.0 / 1.1，是（相对）限制其功能。 它可以用来获取有关现有证书（有效日期，发行人等）的信息。它有简单的方法/操作（如从磁盘读取一个证书）。

The x509Certificate was introduced in .NET v1.0/1.1 and was (comparatively) limited in its functionality. It can be used to get information about an existing certificate (valid dates, issuer, etc.). It had simple methods/operations (i.e. reading a cert from disk).

的x509Certificate2是x509证书的一个子类的附加功能。

The x509Certificate2 is a subclass of x509Certificate with additional functionality.