Extract private key from pfx file or certificate store WITHOUT using OpenSSL on Windows

Question

As the title suggests I would like to export my private key without using OpenSSL or any other third party tool. If I need a .cer file or .pfx file I c

Answer 1

Hm. Have you tried opening the cert store, and getting the private key that way? Pretty sure this will only work with RSA/DSA certs though.

$store = New-Object System.Security.Cryptography.X509Certificates.X509Store([System.Security.Cryptography.X509Certificates.StoreName]::My,"localmachine")
$store.Open("MaxAllowed")
$cert = $store.Certificates | ?{$_.subject -match "^CN=asdasd"}
$cert.PrivateKey.ToXmlString($false)
$store.Close()