对这个问题崩溃了，X509Certificate2获取PrivateKey提示“提供类型失败”

Question

X509Certificate2获取PrivateKey提示“提供类型失败”

不明白原因，我是参考的下面的源代码对软件进行数字签名，但是不知道为什么，这份代码总是有这个问题

http://web3.codeproject.com/Articles/996001/A-Ready-To-Use-Software-Licensing-Solution-in-Csha?msg=5179035#xx5179035xx

why throw this error when generate lic? RSACryptoServiceProvider rsaKey = (RSACryptoServiceProvider)cert.PrivateKey; Provides an invalid program type！！！ how to slove this problem?

Answer 1

你好 361杀毒软件，

可以提供一下完整的代码吗？ 可以在我本机重现的。

另外关于X509Certificate2 取PrivateKey 错误的，下面的博客提供了一个解决方案，你可以参考一下。

https://blogs.msdn.microsoft.com/alejacma/2009/12/22/invalid-provider-type-specified-error-when-accessing-x509certificate2-privatekey-on-cng-certificates/

Best regards,

Cole Wu

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