/// <summary>
/// 解密Xml。
/// </summary>
/// <param name="doc"></param>
public static void DecryptorXml(XmlDocument doc)
{
if (doc != null)
{
EncryptedXml encXml = new EncryptedXml(doc);
encXml.AddKeyNameMapping("session", keyAlgorithm);
encXml.DecryptDocument();
}
}
public static void Encrypt(XmlDocument Doc, string ElementToEncrypt, AsymmetricAlgorithm publicKey)
{
XmlElement elementToEncrypt = Doc.GetElementsByTagName(ElementToEncrypt)[0] as XmlElement;
EncryptedXml eXml = new EncryptedXml();
eXml.AddKeyNameMapping("encKey", publicKey);
EncryptedData edElement = eXml.Encrypt(elementToEncrypt, "encKey");
EncryptedXml.ReplaceElement(elementToEncrypt, edElement, false);
}
/// <summary>
/// 加密Xml。
/// </summary>
/// <param name="doc"></param>
public static void EncryptorXml(XmlDocument doc)
{
if (doc != null)
{
XmlElement encElement = doc.DocumentElement;
EncryptedXml encXml = new EncryptedXml(doc);
encXml.AddKeyNameMapping("session", keyAlgorithm);
EncryptedData encData = encXml.Encrypt(encElement, "session");
EncryptedXml.ReplaceElement(encElement, encData, false);
}
}
public override XmlNode Decrypt(XmlNode encryptedNode)
{
// Load config section to encrypt into xmlDocument instance
XmlDocument doc = encryptedNode.OwnerDocument;
EncryptedXml eXml = new EncryptedXml(doc);
// Add a key-name mapping. This method can only decrypt documents that present the specified key name.
eXml.AddKeyNameMapping(this.keyName, this.rsaKey);
eXml.DecryptDocument();
return doc.DocumentElement;
}
public override XmlNode Decrypt(XmlNode encryptedNode)
{
XmlDocument document = new XmlDocument();
EncryptedXml xml = null;
RSACryptoServiceProvider cryptoServiceProvider = this.GetCryptoServiceProvider(false, true);
document.PreserveWhitespace = true;
document.LoadXml(encryptedNode.OuterXml);
xml = new EncryptedXml(document);
xml.AddKeyNameMapping(this._KeyName, cryptoServiceProvider);
xml.DecryptDocument();
cryptoServiceProvider.Clear();
return document.DocumentElement;
}
public override XmlNode Decrypt(XmlNode encryptedNode)
{
XmlDocument xmlDocument = new XmlDocument();
EncryptedXml exml = null;
RSACryptoServiceProvider rsa = GetCryptoServiceProvider(false, true);
xmlDocument.PreserveWhitespace = true;
xmlDocument.LoadXml(encryptedNode.OuterXml);
exml = new EncryptedXml(xmlDocument);
exml.AddKeyNameMapping(_KeyName, rsa);
exml.DecryptDocument();
rsa.Clear();
return xmlDocument.DocumentElement;
}
public override XmlNode Decrypt (XmlNode encrypted_node)
{
XmlDocument doc = new ConfigurationXmlDocument ();
doc.Load (new StringReader (encrypted_node.OuterXml));
EncryptedXml ex = new EncryptedXml (doc);
ex.AddKeyNameMapping ("Rsa Key", GetProvider ());
ex.DecryptDocument ();
return doc.DocumentElement;
}
public void LoadKeyValuePairsFromValidEncryptedXml()
{
var xml = @"
<settings>
<Data.Setting>
<DefaultConnection>
<Connection.String>Test.Connection.String</Connection.String>
<Provider>SqlClient</Provider>
</DefaultConnection>
<Inventory>
<ConnectionString>AnotherTestConnectionString</ConnectionString>
<Provider>MySql</Provider>
</Inventory>
</Data.Setting>
</settings>";
// This AES key will be used to encrypt the 'Inventory' element
var aes = Aes.Create();
aes.KeySize = 128;
aes.GenerateKey();
// Perform the encryption
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(xml);
var encryptedXml = new EncryptedXml(xmlDocument);
encryptedXml.AddKeyNameMapping("myKey", aes);
var elementToEncrypt = (XmlElement)xmlDocument.SelectSingleNode("//Inventory");
EncryptedXml.ReplaceElement(elementToEncrypt, encryptedXml.Encrypt(elementToEncrypt, "myKey"), content: false);
// Quick sanity check: the document should no longer contain an 'Inventory' element
Assert.Null(xmlDocument.SelectSingleNode("//Inventory"));
// Arrange
var xmlConfigSrc = new XmlConfigurationSource(ArbitraryFilePath, new EncryptedXmlDocumentDecryptor(doc =>
{
var innerEncryptedXml = new EncryptedXml(doc);
innerEncryptedXml.AddKeyNameMapping("myKey", aes);
return innerEncryptedXml;
}));
// Act
xmlConfigSrc.Load(StringToStream(xmlDocument.OuterXml));
// Assert
Assert.Equal("Test.Connection.String", xmlConfigSrc.Get("DATA.SETTING:DEFAULTCONNECTION:CONNECTION.STRING"));
Assert.Equal("SqlClient", xmlConfigSrc.Get("DATA.SETTING:DefaultConnection:Provider"));
Assert.Equal("AnotherTestConnectionString", xmlConfigSrc.Get("data.setting:inventory:connectionstring"));
Assert.Equal("MySql", xmlConfigSrc.Get("Data.setting:Inventory:Provider"));
}
/// <summary>
/// Permite desencriptar con una llave privada un documento XML encriptado con una clave pública
/// </summary>
/// <param name="xmlIn"></param>
/// <param name="privateKey"></param>
/// <returns></returns>
public static XmlDocument DecryptXml(XmlDocument xmlIn, RSA privateKey)
{
const string keyName = "Llave";
if ((xmlIn == null))
{
throw new ArgumentNullException("xmlIn");
}
if ((privateKey == null))
{
throw new ArgumentNullException("privateKey");
}
var exml = new EncryptedXml(xmlIn);
exml.AddKeyNameMapping(keyName, privateKey);
exml.DecryptDocument();
return xmlIn;
}
public static void Decrypt(XmlDocument Doc, RSA Alg, string KeyName)
{
// Check the arguments.
if (Doc == null)
throw new ArgumentNullException("Doc");
if (Alg == null)
throw new ArgumentNullException("Alg");
if (KeyName == null)
throw new ArgumentNullException("KeyName");
// Create a new EncryptedXml object.
EncryptedXml exml = new EncryptedXml(Doc);
// Add a key-name mapping.
// This method can only decrypt documents
// that present the specified key name.
exml.AddKeyNameMapping(KeyName, Alg);
// Decrypt the element.
exml.DecryptDocument();
}
public static string Decrypt(string xmlEncrypted, string elementPath, SymmetricAlgorithm symmetricAlgorithm)
{
// Check the arguments.
if (string.IsNullOrEmpty(xmlEncrypted))
throw new ArgumentNullException("xml");
if (string.IsNullOrEmpty(elementPath))
throw new ArgumentNullException("elementPath");
if (symmetricAlgorithm == null)
throw new ArgumentNullException("SymmetricAlgorithm ");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
xmlDoc.LoadXml(xmlEncrypted);
// Find the EncryptedData element in the XmlDocument.
XmlNodeList encryptedElementxmlDoc = xmlDoc.GetElementsByTagName("EncryptedData");
// If the EncryptedData element was not found, throw an exception.
if (encryptedElementxmlDoc == null)
{
throw new XmlException("The EncryptedData element was not found.");
}
EncryptedData edElement;
EncryptedXml exml = new EncryptedXml(xmlDoc);
// Add a key-name mapping.
// This method can only decrypt documents
// that present the specified key name.
exml.AddKeyNameMapping("", symmetricAlgorithm);
exml.DecryptDocument();
//foreach (XmlNode node in encryptedElementxmlDoc)
//{
// // Create an EncryptedData object and populate it.
// edElement = new EncryptedData();
// edElement.LoadXml(node as XmlElement);
// exml = new EncryptedXml();
// exml.DecryptDocument();
// //// Decrypt the element using the symmetric key.
// //byte[] rgbOutput = exml.DecryptData(edElement, symmetricAlgorithm);
// //// Replace the encryptedData element with the plaintext XML element.
// //exml.ReplaceData(node as XmlElement, rgbOutput);
//}
symmetricAlgorithm.Clear();
xmlEncrypted = xmlDoc.InnerXml;
xmlDoc = null;
return xmlEncrypted;
}
//解密
private void btn2Open_Click(object sender, EventArgs e)
{
try
{
RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider();
rsaKey.FromXmlString(privateK);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
xmlDoc.Load(this.label2.Text);
EncryptedXml exml = new EncryptedXml(xmlDoc);
exml.AddKeyNameMapping(keyName, rsaKey);
exml.DecryptDocument();
xmlDoc.Save(this.label2.Text);
succes();
}
catch (Exception)
{
fail();
}
}
public XmlDocument DecryptEncriptedXmlfile(string txtEncryptedXml)
{
XmlDocument xmlEncDoc = new XmlDocument();
xmlEncDoc.LoadXml(txtEncryptedXml);
var rsa = new RSACryptoServiceProvider();
EncryptedXml encXml = new EncryptedXml(xmlEncDoc);
encXml.AddKeyNameMapping("asyncKey", rsa);
encXml.DecryptDocument();
return xmlEncDoc;
}
public XmlDocument CreateEncriptedXmlfile(string txtXml)
{
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.LoadXml(txtXml);
var rsa = new RSACryptoServiceProvider();
XmlElement xmlElemt;
xmlElemt = xmlDoc.DocumentElement;
EncryptedXml xmlEnc = new EncryptedXml(xmlDoc);
xmlEnc.AddKeyNameMapping("asyncKey", rsa);
EncryptedData encXml = xmlEnc.Encrypt(xmlElemt, "asyncKey");
EncryptedXml.ReplaceElement(xmlElemt, encXml, false);
}
catch (XmlException ex)
{
throw ex;
}
return xmlDoc ;
}
/// <summary>
/// ����XmlԪ��
/// </summary>
/// <param name="doc">XmlDocument</param>
/// <param name="elmentName">Ҫ���ܵ�Ԫ������</param>
/// <param name="isContent">����Ԫ������ΪTrue,��������Ԫ��ΪFalse</param>
public static void EncryptorXmlElement(XmlDocument doc, string elmentName, bool isContent)
{
if (doc == null)
throw new ArgumentNullException("doc");
EncryptedXml encXml = new EncryptedXml(doc);
encXml.AddKeyNameMapping("session", keyAlgorithm);
XmlElement encElement = null;
EncryptedData encData = null;
if (string.IsNullOrEmpty(elmentName))
{
encElement = doc.DocumentElement;
encData = encXml.Encrypt(encElement, "session");
EncryptedXml.ReplaceElement(encElement, encData, isContent);
}
else
{
XmlNodeList nodeList = doc.GetElementsByTagName(elmentName);
if (nodeList != null && nodeList.Count > 0)
{
for (int i = 0; i < nodeList.Count; i++)
{
encElement = nodeList[i] as XmlElement;
if (encElement != null)
{
encData = encXml.Encrypt(encElement, "session");
EncryptedXml.ReplaceElement(encElement, encData, isContent);
}
}
}
}
}
public static void Decrypt(string xmlEncrypted, SymmetricAlgorithm Alg, string KeyName)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
xmlDoc.LoadXml(xmlEncrypted);
// Create a new EncryptedXml object.
EncryptedXml exml = new EncryptedXml(xmlDoc);
// Add a key-name mapping.
// This method can only decrypt documents
// that present the specified key name.
exml.AddKeyNameMapping(KeyName, Alg);
// Decrypt the element.
exml.DecryptDocument();
}
public override XmlNode Encrypt (XmlNode node)
{
XmlDocument doc = new ConfigurationXmlDocument ();
doc.Load (new StringReader (node.OuterXml));
EncryptedXml ex = new EncryptedXml (doc);
ex.AddKeyNameMapping ("Rsa Key", GetProvider ());
EncryptedData d = ex.Encrypt (doc.DocumentElement, "Rsa Key");
return d.GetXml();
}
public static void Decrypt(XmlDocument Doc,AsymmetricAlgorithm privateKey)
{
EncryptedXml exml = new EncryptedXml(Doc);
exml.AddKeyNameMapping("encKey", privateKey);
exml.DecryptDocument();
}
