示例#1
0
        public override void LoadXml(XmlElement value)
        {
            if (value is null)
            {
                throw new ArgumentNullException(nameof(value));
            }

            XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);

            nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
            nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);

            Id       = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
            Type     = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
            MimeType = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
            Encoding = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);

            XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);

            // EncryptionMethod
            EncryptionMethod = new EncryptionMethod();
            if (encryptionMethodNode != null)
            {
                EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
            }

            // Key Info
            KeyInfo = new KeyInfo();
            XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);

            if (keyInfoNode != null)
            {
                KeyInfo.LoadXml(keyInfoNode as XmlElement);
            }

            // CipherData
            XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);

            if (cipherDataNode == null)
            {
                throw new CryptographicException(SR.Cryptography_Xml_MissingCipherData);
            }

            CipherData = new CipherData();
            CipherData.LoadXml(cipherDataNode as XmlElement);

            // EncryptionProperties
            XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);

            if (encryptionPropertiesNode != null)
            {
                // Select the EncryptionProperty elements inside the EncryptionProperties element
                XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
                if (encryptionPropertyNodes != null)
                {
                    foreach (XmlNode node in encryptionPropertyNodes)
                    {
                        EncryptionProperty ep = new EncryptionProperty();
                        ep.LoadXml(node as XmlElement);
                        EncryptionProperties.Add(ep);
                    }
                }
            }

            // Save away the cached value
            _cachedXml = value;
        }
        public override void LoadXml(XmlElement value)
        {
            if (value == null)
            {
                throw new ArgumentNullException(nameof(value));
            }

            XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);

            nsm.AddNamespace("enc", XmlNameSpace.Url[NS.XmlEncNamespaceUrl]);
            nsm.AddNamespace("ds", XmlNameSpace.Url[NS.XmlDsigNamespaceUrl]);

            Id        = ElementUtils.GetAttribute(value, "Id", NS.XmlEncNamespaceUrl);
            Type      = ElementUtils.GetAttribute(value, "Type", NS.XmlEncNamespaceUrl);
            MimeType  = ElementUtils.GetAttribute(value, "MimeType", NS.XmlEncNamespaceUrl);
            Encoding  = ElementUtils.GetAttribute(value, "Encoding", NS.XmlEncNamespaceUrl);
            Recipient = ElementUtils.GetAttribute(value, "Recipient", NS.XmlEncNamespaceUrl);

            XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);

            EncryptionMethod = new EncryptionMethod();
            if (encryptionMethodNode != null)
            {
                EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
            }

            KeyInfo = new KeyInfo();
            XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);

            if (keyInfoNode != null)
            {
                KeyInfo.LoadXml(keyInfoNode as XmlElement);
            }

            XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);

            if (cipherDataNode == null)
            {
                throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_MissingCipherData);
            }

            CipherData = new CipherData();
            CipherData.LoadXml(cipherDataNode as XmlElement);

            XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);

            if (encryptionPropertiesNode != null)
            {
                XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
                if (encryptionPropertyNodes != null)
                {
                    foreach (XmlNode node in encryptionPropertyNodes)
                    {
                        EncryptionProperty ep = new EncryptionProperty();
                        ep.LoadXml(node as XmlElement);
                        EncryptionProperties.Add(ep);
                    }
                }
            }

            XmlNode carriedKeyNameNode = value.SelectSingleNode("enc:CarriedKeyName", nsm);

            if (carriedKeyNameNode != null)
            {
                CarriedKeyName = carriedKeyNameNode.InnerText;
            }

            XmlNode referenceListNode = value.SelectSingleNode("enc:ReferenceList", nsm);

            if (referenceListNode != null)
            {
                XmlNodeList dataReferenceNodes = referenceListNode.SelectNodes("enc:DataReference", nsm);
                if (dataReferenceNodes != null)
                {
                    foreach (XmlNode node in dataReferenceNodes)
                    {
                        DataReference dr = new DataReference();
                        dr.LoadXml(node as XmlElement);
                        ReferenceList.Add(dr);
                    }
                }
                XmlNodeList keyReferenceNodes = referenceListNode.SelectNodes("enc:KeyReference", nsm);
                if (keyReferenceNodes != null)
                {
                    foreach (XmlNode node in keyReferenceNodes)
                    {
                        KeyReference kr = new KeyReference();
                        kr.LoadXml(node as XmlElement);
                        ReferenceList.Add(kr);
                    }
                }
            }

            _cachedXml = value;
        }
示例#3
0
        public override void LoadXml(XmlElement value)
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }

            if ((value.LocalName != XmlEncryption.ElementNames.EncryptedData) || (value.NamespaceURI != EncryptedXml.XmlEncNamespaceUrl))
            {
                throw new CryptographicException("Malformed EncryptedData element.");
            }
            else
            {
                EncryptionMethod = null;
                EncryptionMethod = null;
                EncryptionProperties.Clear();
                Id       = null;
                Type     = null;
                MimeType = null;
                Encoding = null;

                foreach (XmlNode n in value.ChildNodes)
                {
                    if (n is XmlWhitespace)
                    {
                        continue;
                    }

                    switch (n.LocalName)
                    {
                    case XmlEncryption.ElementNames.EncryptionMethod:
                        EncryptionMethod = new EncryptionMethod();
                        EncryptionMethod.LoadXml((XmlElement)n);
                        break;

                    case XmlSignature.ElementNames.KeyInfo:
                        KeyInfo = new KeyInfo();
                        KeyInfo.LoadXml((XmlElement)n);
                        break;

                    case XmlEncryption.ElementNames.CipherData:
                        CipherData = new CipherData();
                        CipherData.LoadXml((XmlElement)n);
                        break;

                    case XmlEncryption.ElementNames.EncryptionProperties:
                        foreach (XmlElement element in ((XmlElement)n).GetElementsByTagName(XmlEncryption.ElementNames.EncryptionProperty, EncryptedXml.XmlEncNamespaceUrl))
                        {
                            EncryptionProperties.Add(new EncryptionProperty(element));
                        }
                        break;
                    }
                }

                if (value.HasAttribute(XmlEncryption.AttributeNames.Id))
                {
                    Id = value.Attributes [XmlEncryption.AttributeNames.Id].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.Type))
                {
                    Type = value.Attributes [XmlEncryption.AttributeNames.Type].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.MimeType))
                {
                    MimeType = value.Attributes [XmlEncryption.AttributeNames.MimeType].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.Encoding))
                {
                    Encoding = value.Attributes [XmlEncryption.AttributeNames.Encoding].Value;
                }
            }
        }
示例#4
0
        /// <summary>Loads the specified XML information into the <see langword="&lt;EncryptedKey&gt;" /> element in XML encryption.</summary>
        /// <param name="value">An <see cref="T:System.Xml.XmlElement" /> representing an XML element to use for the <see langword="&lt;EncryptedKey&gt;" /> element.</param>
        /// <exception cref="T:System.ArgumentNullException">The <paramref name="value" /> parameter is <see langword="null" />.</exception>
        /// <exception cref="T:System.Security.Cryptography.CryptographicException">The <paramref name="value" /> parameter does not contain a <see cref="T:System.Security.Cryptography.Xml.CipherData" />  element.</exception>
        public override void LoadXml(XmlElement value)
        {
            if (value == null)
            {
                throw new ArgumentNullException(nameof(value));
            }
            XmlNamespaceManager nsmgr = new XmlNamespaceManager(value.OwnerDocument.NameTable);

            nsmgr.AddNamespace("enc", "http://www.w3.org/2001/04/xmlenc#");
            nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
            Id        = Exml.GetAttribute(value, "Id", "http://www.w3.org/2001/04/xmlenc#");
            Type      = Exml.GetAttribute(value, "Type", "http://www.w3.org/2001/04/xmlenc#");
            MimeType  = Exml.GetAttribute(value, "MimeType", "http://www.w3.org/2001/04/xmlenc#");
            Encoding  = Exml.GetAttribute(value, "Encoding", "http://www.w3.org/2001/04/xmlenc#");
            Recipient = Exml.GetAttribute(value, "Recipient", "http://www.w3.org/2001/04/xmlenc#");
            XmlNode xmlNode1 = value.SelectSingleNode("enc:EncryptionMethod", nsmgr);

            EncryptionMethod = new EncryptionMethod();
            if (xmlNode1 != null)
            {
                EncryptionMethod.LoadXml(xmlNode1 as XmlElement);
            }
            KeyInfo = new KeyInfo();
            XmlNode xmlNode2 = value.SelectSingleNode("ds:KeyInfo", nsmgr);

            if (xmlNode2 != null)
            {
                KeyInfo.LoadXml(xmlNode2 as XmlElement);
            }
            XmlNode xmlNode3 = value.SelectSingleNode("enc:CipherData", nsmgr);

            if (xmlNode3 == null)
            {
                throw new CryptographicException("Cryptography_Xml_MissingCipherData");
            }
            CipherData = new CipherData();
            CipherData.LoadXml(xmlNode3 as XmlElement);
            XmlNode xmlNode4 = value.SelectSingleNode("enc:EncryptionProperties", nsmgr);

            if (xmlNode4 != null)
            {
                XmlNodeList xmlNodeList = xmlNode4.SelectNodes("enc:EncryptionProperty", nsmgr);
                if (xmlNodeList != null)
                {
                    foreach (XmlNode xmlNode5 in xmlNodeList)
                    {
                        EncryptionProperty encryptionProperty = new EncryptionProperty();
                        encryptionProperty.LoadXml(xmlNode5 as XmlElement);
                        EncryptionProperties.Add(encryptionProperty);
                    }
                }
            }
            XmlNode xmlNode6 = value.SelectSingleNode("enc:CarriedKeyName", nsmgr);

            if (xmlNode6 != null)
            {
                CarriedKeyName = xmlNode6.InnerText;
            }
            XmlNode xmlNode7 = value.SelectSingleNode("enc:ReferenceList", nsmgr);

            if (xmlNode7 != null)
            {
                XmlNodeList xmlNodeList1 = xmlNode7.SelectNodes("enc:DataReference", nsmgr);
                if (xmlNodeList1 != null)
                {
                    foreach (XmlNode xmlNode5 in xmlNodeList1)
                    {
                        DataReference dataReference = new DataReference();
                        dataReference.LoadXml(xmlNode5 as XmlElement);
                        ReferenceList.Add((object)dataReference);
                    }
                }
                XmlNodeList xmlNodeList2 = xmlNode7.SelectNodes("enc:KeyReference", nsmgr);
                if (xmlNodeList2 != null)
                {
                    foreach (XmlNode xmlNode5 in xmlNodeList2)
                    {
                        KeyReference keyReference = new KeyReference();
                        keyReference.LoadXml(xmlNode5 as XmlElement);
                        ReferenceList.Add((object)keyReference);
                    }
                }
            }
            m_cachedXml = value;
        }
示例#5
0
        public override void LoadXml(XmlElement value)
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }

            if ((value.LocalName != XmlEncryption.ElementNames.EncryptedKey) || (value.NamespaceURI != EncryptedXml.XmlEncNamespaceUrl))
            {
                throw new CryptographicException("Malformed EncryptedKey element.");
            }
            else
            {
                EncryptionMethod = null;
                EncryptionMethod = null;
                EncryptionProperties.Clear();
                ReferenceList.Clear();
                CarriedKeyName = null;
                Id             = null;
                Type           = null;
                MimeType       = null;
                Encoding       = null;
                Recipient      = null;

                foreach (XmlNode n in value.ChildNodes)
                {
                    if (n is XmlWhitespace)
                    {
                        continue;
                    }

                    switch (n.LocalName)
                    {
                    case XmlEncryption.ElementNames.EncryptionMethod:
                        EncryptionMethod = new EncryptionMethod();
                        EncryptionMethod.LoadXml((XmlElement)n);
                        break;

                    case XmlSignature.ElementNames.KeyInfo:
                        KeyInfo = new KeyInfo();
                        KeyInfo.LoadXml((XmlElement)n);
                        break;

                    case XmlEncryption.ElementNames.CipherData:
                        CipherData = new CipherData();
                        CipherData.LoadXml((XmlElement)n);
                        break;

                    case XmlEncryption.ElementNames.EncryptionProperties:
                        foreach (XmlElement element in ((XmlElement)n).GetElementsByTagName(XmlEncryption.ElementNames.EncryptionProperty, EncryptedXml.XmlEncNamespaceUrl))
                        {
                            EncryptionProperties.Add(new EncryptionProperty(element));
                        }
                        break;

                    case XmlEncryption.ElementNames.ReferenceList:
                        foreach (XmlNode r in ((XmlElement)n).ChildNodes)
                        {
                            if (r is XmlWhitespace)
                            {
                                continue;
                            }

                            switch (r.LocalName)
                            {
                            case XmlEncryption.ElementNames.DataReference:
                                DataReference dr = new DataReference();
                                dr.LoadXml((XmlElement)r);
                                AddReference(dr);
                                break;

                            case XmlEncryption.ElementNames.KeyReference:
                                KeyReference kr = new KeyReference();
                                kr.LoadXml((XmlElement)r);
                                AddReference(kr);
                                break;
                            }
                        }
                        break;

                    case XmlEncryption.ElementNames.CarriedKeyName:
                        CarriedKeyName = ((XmlElement)n).InnerText;
                        break;
                    }
                }

                if (value.HasAttribute(XmlEncryption.AttributeNames.Id))
                {
                    Id = value.Attributes [XmlEncryption.AttributeNames.Id].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.Type))
                {
                    Type = value.Attributes [XmlEncryption.AttributeNames.Type].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.MimeType))
                {
                    MimeType = value.Attributes [XmlEncryption.AttributeNames.MimeType].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.Encoding))
                {
                    Encoding = value.Attributes [XmlEncryption.AttributeNames.Encoding].Value;
                }
                if (value.HasAttribute(XmlEncryption.AttributeNames.Recipient))
                {
                    Encoding = value.Attributes [XmlEncryption.AttributeNames.Recipient].Value;
                }
            }
        }
 public void AddProperty(EncryptionProperty ep)
 {
     EncryptionProperties.Add(ep);
 }
示例#7
0
        public override void LoadXml(XmlElement value)
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }

            XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);

            nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
            nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);

            Id        = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
            Type      = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
            MimeType  = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
            Encoding  = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);
            Recipient = Utils.GetAttribute(value, "Recipient", EncryptedXml.XmlEncNamespaceUrl);

            XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);

            // EncryptionMethod
            EncryptionMethod = new EncryptionMethod();
            if (encryptionMethodNode != null)
            {
                EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
            }

            // Key Info
            KeyInfo = new KeyInfo();
            XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);

            if (keyInfoNode != null)
            {
                KeyInfo.LoadXml(keyInfoNode as XmlElement);
            }

            // CipherData
            XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);

            if (cipherDataNode == null)
            {
                throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_MissingCipherData"));
            }

            CipherData = new CipherData();
            CipherData.LoadXml(cipherDataNode as XmlElement);

            // EncryptionProperties
            XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);

            if (encryptionPropertiesNode != null)
            {
                // Select the EncryptionProperty elements inside the EncryptionProperties element
                XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
                if (encryptionPropertyNodes != null)
                {
                    foreach (XmlNode node in encryptionPropertyNodes)
                    {
                        EncryptionProperty ep = new EncryptionProperty();
                        ep.LoadXml(node as XmlElement);
                        EncryptionProperties.Add(ep);
                    }
                }
            }

            // CarriedKeyName
            XmlNode carriedKeyNameNode = value.SelectSingleNode("enc:CarriedKeyName", nsm);

            if (carriedKeyNameNode != null)
            {
                CarriedKeyName = carriedKeyNameNode.InnerText;
            }

            // ReferenceList
            XmlNode referenceListNode = value.SelectSingleNode("enc:ReferenceList", nsm);

            if (referenceListNode != null)
            {
                // Select the DataReference elements inside the ReferenceList element
                XmlNodeList dataReferenceNodes = referenceListNode.SelectNodes("enc:DataReference", nsm);
                if (dataReferenceNodes != null)
                {
                    foreach (XmlNode node in dataReferenceNodes)
                    {
                        DataReference dr = new DataReference();
                        dr.LoadXml(node as XmlElement);
                        ReferenceList.Add(dr);
                    }
                }
                // Select the KeyReference elements inside the ReferenceList element
                XmlNodeList keyReferenceNodes = referenceListNode.SelectNodes("enc:KeyReference", nsm);
                if (keyReferenceNodes != null)
                {
                    foreach (XmlNode node in keyReferenceNodes)
                    {
                        KeyReference kr = new KeyReference();
                        kr.LoadXml(node as XmlElement);
                        ReferenceList.Add(kr);
                    }
                }
            }

            // Save away the cached value
            _cachedXml = value;
        }