Associate a private key with the X509Certificate2 class in .net

You can save yourself the hassle of copy-pasting all that code and store the private key next to the certificate in a pfx/pkcs#12 file:

openssl pkcs12 -export -in my.cer -inkey my.key -out mycert.pfx

You’ll have to supply a password, which you have to pass to the constructor of X509Certificate2:

X509Certificate2 cert = new X509Certificate2("mycert.pfx","password");

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