private void DecryptEncryptedGrants(XmlNodeList encryptedGrantList, IRelDecryptor decryptor) { XmlElement encryptionMethod; XmlElement keyInfo; XmlElement cipherData; EncryptionMethod encryptionMethodObj; KeyInfo keyInfoObj; CipherData cipherDataObj; for (int i = 0, count = encryptedGrantList.Count; i < count; i++) { encryptionMethod = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:EncryptionMethod", _namespaceManager) as XmlElement; keyInfo = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/dsig:KeyInfo", _namespaceManager) as XmlElement; cipherData = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:CipherData", _namespaceManager) as XmlElement; if ((encryptionMethod != null) && (keyInfo != null) && (cipherData != null)) { encryptionMethodObj = new EncryptionMethod(); keyInfoObj = new KeyInfo(); cipherDataObj = new CipherData(); encryptionMethodObj.LoadXml(encryptionMethod); keyInfoObj.LoadXml(keyInfo); cipherDataObj.LoadXml(cipherData); MemoryStream toDecrypt = null; Stream decryptedContent = null; StreamReader streamReader = null; try { toDecrypt = new MemoryStream(cipherDataObj.CipherValue); decryptedContent = _relDecryptor.Decrypt(encryptionMethodObj, keyInfoObj, toDecrypt); if ((decryptedContent == null) || (decryptedContent.Length == 0)) { throw new CryptographicException(SR.Cryptography_Xml_XrmlUnableToDecryptGrant); } streamReader = new StreamReader(decryptedContent); string clearContent = streamReader.ReadToEnd(); encryptedGrantList[i].ParentNode.InnerXml = clearContent; } finally { toDecrypt?.Close(); decryptedContent?.Close(); streamReader?.Close(); } } } }
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; } }
private void DecryptEncryptedGrants(XmlNodeList encryptedGrantList, IRelDecryptor decryptor) { XmlElement element = null; XmlElement element2 = null; XmlElement element3 = null; EncryptionMethod encryptionMethod = null; KeyInfo keyInfo = null; CipherData data = null; int num = 0; int count = encryptedGrantList.Count; while (num < count) { element = encryptedGrantList[num].SelectSingleNode("//r:encryptedGrant/enc:EncryptionMethod", this.namespaceManager) as XmlElement; element2 = encryptedGrantList[num].SelectSingleNode("//r:encryptedGrant/dsig:KeyInfo", this.namespaceManager) as XmlElement; element3 = encryptedGrantList[num].SelectSingleNode("//r:encryptedGrant/enc:CipherData", this.namespaceManager) as XmlElement; if (((element != null) && (element2 != null)) && (element3 != null)) { encryptionMethod = new EncryptionMethod(); keyInfo = new KeyInfo(); data = new CipherData(); encryptionMethod.LoadXml(element); keyInfo.LoadXml(element2); data.LoadXml(element3); MemoryStream toDecrypt = null; Stream stream = null; StreamReader reader = null; try { toDecrypt = new MemoryStream(data.CipherValue); stream = this.relDecryptor.Decrypt(encryptionMethod, keyInfo, toDecrypt); if ((stream == null) || (stream.Length == 0L)) { throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_XrmlUnableToDecryptGrant")); } reader = new StreamReader(stream); string str = reader.ReadToEnd(); encryptedGrantList[num].ParentNode.InnerXml = str; } finally { if (toDecrypt != null) { toDecrypt.Close(); } if (stream != null) { stream.Close(); } if (reader != null) { reader.Close(); } } encryptionMethod = null; keyInfo = null; data = null; } element = null; element2 = null; element3 = null; num++; } }
public override void LoadXml(XmlElement value) { if (value == 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); 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(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); } } } // 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; }
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; } } }
private void DecryptEncryptedGrants(XmlNodeList encryptedGrantList, IRelDecryptor decryptor) { XmlElement encryptionMethod = null; XmlElement keyInfo = null; XmlElement cipherData = null; EncryptionMethod encryptionMethodObj = null; KeyInfo keyInfoObj = null; CipherData cipherDataObj = null; for (int i = 0, count = encryptedGrantList.Count; i < count; i++) { encryptionMethod = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:EncryptionMethod", namespaceManager) as XmlElement; keyInfo = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/dsig:KeyInfo", namespaceManager) as XmlElement; cipherData = encryptedGrantList[i].SelectSingleNode("//r:encryptedGrant/enc:CipherData", namespaceManager) as XmlElement; if ((encryptionMethod != null) && (keyInfo != null) && (cipherData != null)) { encryptionMethodObj = new EncryptionMethod(); keyInfoObj = new KeyInfo(); cipherDataObj = new CipherData(); encryptionMethodObj.LoadXml(encryptionMethod); keyInfoObj.LoadXml(keyInfo); cipherDataObj.LoadXml(cipherData); MemoryStream toDecrypt = null; Stream decryptedContent = null; StreamReader streamReader = null; try { toDecrypt = new MemoryStream(cipherDataObj.CipherValue); decryptedContent = relDecryptor.Decrypt(encryptionMethodObj, keyInfoObj, toDecrypt); if ((decryptedContent == null) || (decryptedContent.Length == 0)) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_XrmlUnableToDecryptGrant")); streamReader = new StreamReader(decryptedContent); string clearContent = streamReader.ReadToEnd(); encryptedGrantList[i].ParentNode.InnerXml = clearContent; } finally { if (toDecrypt != null) toDecrypt.Close(); if (decryptedContent != null) decryptedContent.Close(); if (streamReader != null) streamReader.Close(); } encryptionMethodObj = null; keyInfoObj = null; cipherDataObj = null; } encryptionMethod = null; keyInfo = null; cipherData = null; } }
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; } }
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 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); 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); } } } // Save away the cached value _cachedXml = value; }