public static AsymmetricKeyParameter GetPublicKeyFromPkcsStore(string certPath, string passwort)
{
Pkcs12Store store = CertHelper.LadePkcsStore(certPath, passwort);
return(GetPublicKeyFromPkcsStore(store));
}
/// <summary>
/// Entschlüsselung einer verschlüsselten XML Struktur
/// </summary>
/// <param name="Doc"></param>
/// <param name="keyStore"></param>
/// <param name="keyStorePasswort"></param>
private static void DecryptXML(XmlDocument Doc, Pkcs12Store keyStore, string keyStorePasswort)
{
System.Security.Cryptography.X509Certificates.X509Certificate2 cert =
new System.Security.Cryptography.X509Certificates.X509Certificate2(CertHelper.ConvertPkcs12ToByteArray(keyStore, keyStorePasswort), keyStorePasswort);
//Heranziehen des privaten Schlüssels:
RSACryptoServiceProvider privateKeyProvider = null;
privateKeyProvider = (RSACryptoServiceProvider)(cert.PrivateKey);
//Kompatibilität Java Anfang -->
XmlElement keyNameNode = null;
string keyName = "rsaKeyName";
foreach (string keyNameName in GetNodeKeyNameCollection())
{
keyNameNode = Doc.GetElementsByTagName(keyNameName)[0] as XmlElement;
if (keyNameNode != null)
{
break;
}
}
if (keyNameNode == null)
{
XmlElement encryptedKey = null;
foreach (string encryptionKeyName in GetNodeEncryptionKeyNameCollection())
{
encryptedKey = Doc.GetElementsByTagName(encryptionKeyName)[0] as XmlElement;
if (encryptedKey != null)
{
break;
}
}
if (encryptedKey != null)
{
XmlElement elementKeyMethod = null;
foreach (string elementKeyMethodName in GetNodeEncryptionMethodCollection())
{
elementKeyMethod = encryptedKey.GetElementsByTagName(elementKeyMethodName)[0] as XmlElement;
if (elementKeyMethod != null)
{
break;
}
}
if (elementKeyMethod != null)
{
XmlElement elementKeyInfo = Doc.CreateElement("KeyInfo", SignedXml.XmlDsigNamespaceUrl);
XmlElement elementKeyName = Doc.CreateElement("KeyName", SignedXml.XmlDsigNamespaceUrl);
elementKeyName.InnerText = keyName;
elementKeyInfo.AppendChild(elementKeyName);
encryptedKey.InsertAfter(elementKeyInfo, elementKeyMethod);
}
}
}
else
{
if (!string.IsNullOrEmpty(keyNameNode.InnerText))
{
keyName = keyNameNode.InnerText;
}
else
{
keyName = "";
}
}
// Kompatibilität Java Ende <--
//Entschlüsselung:
EncryptedXml exml = new EncryptedXml(Doc);
exml.AddKeyNameMapping(keyName, privateKeyProvider);
exml.DecryptDocument();
}
public static AsymmetricKeyParameter GetPublicKeyFromX509Cert(string pfadZertifikat)
{
X509Certificate cert = CertHelper.Ladex509Certificate(pfadZertifikat);
return(GetPublicKeyFromX509Cert(cert));
}
