public static KeyFileConfiguration GetInstance()
{
if (KeyFileConfiguration.keyFileConfiguration == null)
{
keyFileConfiguration = new KeyFileConfiguration();
}
return(keyFileConfiguration);
}
/// <summary>
/// This method decrypts a string using the configuration settings supplied
/// </summary>
/// <param name="encryptedString">The encrypted string</param>
/// <returns>The passed in string, decrypted</returns>
public string DecryptString(string encryptedString)
{
string retVal = string.Empty;
if (!string.IsNullOrEmpty(encryptedString))
{
switch (this.EncryptionMethod)
{
case EncryptionMethodOptions.None:
retVal = encryptedString;
break;
case EncryptionMethodOptions.AES:
AESConfiguration aesconfiguration = AESConfiguration.GetInstance();
AESManager aesencryption = new AESManager(aesconfiguration.EncryptionKey, aesconfiguration.Salt);
retVal = aesencryption.Decrypt(encryptedString);
break;
case EncryptionMethodOptions.CertificateKeyFile:
KeyFileConfiguration keyfileConfiguration = KeyFileConfiguration.GetInstance();
X509CertificateManager keyfileEncryption = new X509CertificateManager(keyfileConfiguration.KeyFile, keyfileConfiguration.KeyFilePassword);
retVal = keyfileEncryption.Decrypt(encryptedString);
break;
case EncryptionMethodOptions.CertificateKeyStore:
KeyStoreConfiguration keystoreConfiguration = KeyStoreConfiguration.GetInstance();
X509CertificateManager keystoreEncryption = new X509CertificateManager(keystoreConfiguration.StoreName, keystoreConfiguration.StoreLocation, keystoreConfiguration.CertificateName);
retVal = keystoreEncryption.Decrypt(encryptedString);
break;
case EncryptionMethodOptions.RSAXmlKeyFile:
RSAXmlKeyFileConfiguration rsaxmlKeyFileConfiguration = RSAXmlKeyFileConfiguration.GetInstance();
RSAXmlKeyFileManager rsaxmlKeyFileEncryption = new RSAXmlKeyFileManager(rsaxmlKeyFileConfiguration.PublicKeyFile, rsaxmlKeyFileConfiguration.PrivateKeyFile);
retVal = rsaxmlKeyFileEncryption.Decrypt(encryptedString);
break;
}
}
return(retVal);
}
