public override void ImportParameters(ECParameters parameters)
 {
     KeySizeValue = _ecc.ImportParameters(parameters);
 }
 public ECDiffieHellmanSecurityTransformsPublicKey(ECParameters ecParameters)
 {
     Debug.Assert(ecParameters.D == null);
     _ecc = new EccSecurityTransforms(nameof(ECDiffieHellmanPublicKey));
     _ecc.ImportParameters(ecParameters);
 }