Remove password from PFX certificate

Question

I have x509Certificate2 protected with a password in the FPX file. I would like to create a function that will remove password from it.

Stream CreatePFXWithoutPassword(string filenamePfx, string password)
{
...return new file
}

Is that even possible?

Answer 1

Sure, just import it, and export it again with "no" password (which really means the empty password).

X509Certificate2Collection coll = new X509Certificate2Collection();
coll.Import(filename, password);
byte[] nopw = coll.Export(X509ContentType.Pfx);

// Optional: Clean up unnecessary resources.
foreach (X509Certificate2 cert in coll)
{
    cert.Dispose();
}

return nopw;