public void ImportCspBlob (byte[] keyBlob)
{
if (keyBlob == null)
throw new ArgumentNullException ("keyBlob");
RSA rsa = CryptoConvert.FromCapiKeyBlob (keyBlob);
if (rsa is RSACryptoServiceProvider) {
// default (if no change are present in machine.config)
RSAParameters rsap = rsa.ExportParameters (!(rsa as RSACryptoServiceProvider).PublicOnly);
ImportParameters (rsap);
} else {
// we can't know from RSA if the private key is available
try {
// so we try it...
RSAParameters rsap = rsa.ExportParameters (true);
ImportParameters (rsap);
}
catch {
// and fall back
RSAParameters rsap = rsa.ExportParameters (false);
ImportParameters (rsap);
}
}
}
#endif
