public void IsSupportedAlgorithm ()
		{
			X509AsymmetricSecurityKey key = new X509AsymmetricSecurityKey (cert);
			Assert.IsTrue (key.IsSupportedAlgorithm (EncryptedXml.XmlEncRSA15Url), "#1");
			Assert.IsFalse (key.IsSupportedAlgorithm (SignedXml.XmlDsigDSAUrl), "#2");
			Assert.IsFalse (key.IsSupportedAlgorithm (SignedXml.XmlDsigHMACSHA1Url), "#3");
		}
		// huh?
		//[ExpectedException (typeof (ArgumentNullException))]
		public void IsSupportedAlgorithmNullAlgName ()
		{
			X509AsymmetricSecurityKey key = new X509AsymmetricSecurityKey (cert);
			Assert.IsFalse (key.IsSupportedAlgorithm (null));
		}