public override void LoadInnerXml(XmlNodeList nodeList) { if (nodeList == null) { throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_UnknownTransform); } ExceptUris.Clear(); foreach (XmlNode node in nodeList) { XmlElement elem = node as XmlElement; if (elem != null) { if (elem.LocalName == "Except" && elem.NamespaceURI == XmlNameSpace.Url[NS.XmlDecryptionTransformNamespaceUrl]) { string uri = ElementUtils.GetAttribute(elem, "URI", NS.XmlDecryptionTransformNamespaceUrl); if (uri == null || uri.Length == 0 || uri[0] != '#') { throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_UriRequired); } if (!ElementUtils.VerifyAttributes(elem, "URI")) { throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_UnknownTransform); } string idref = ParserUtils.ExtractIdFromLocalUri(uri); ExceptUris.Add(idref); } else { throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_UnknownTransform); } } } }