//converts from RSA Public Key format to X509 Subject Key Info format
private string Rsa2X509Convert(string rsaPublicKey)
{
using (RsaKey rsaKey = new CryptRsaKey())
{
rsaKey.Init();
var key = Encoder.DecodeToBytes(rsaPublicKey, EncodeMethod.Base64);
rsaKey.SetRsaPublicKey(key);
key = rsaKey.GetPublicKeyInfo();
var result = Encoder.Encode(key, EncodeMethod.Base64);
return(result);
}
}