/// <summary>
/// Decrypt value by client key
/// </summary>
/// <param name="value">encrypted value</param>
/// <param name="key">decrypted value</param>
/// <returns></returns>
public static string DecryptByClientKey(string value, string key)
{
if (string.IsNullOrEmpty(value))
{
return(null);
}
return(SecureEngineH5.Decrypt(value, key, key));
}
/// <summary>
/// encrypt Clent side encrytion to Server Side Encryption
/// - first decrypt client side encrypted by client key , then encrypt that value by server key;
/// </summary>
/// <param name="value">encrypted value(client)</param>
/// <param name="key">client key</param>
/// <returns>encrypted value (server side)</returns>
public static string EncryptFromClientToServer(string value, string key)
{
if (string.IsNullOrEmpty(value))
{
return(null);
}
string val = SecureEngineH5.Decrypt(value, key, key);
return(SecureEngineUtility.SecureEngine.Encrypt(val));
}
/// <summary>
/// convert server side encrypted value to client side encrypted value
/// - first decrypt value by server key , and then encrypt by client's key
/// </summary>
/// <param name="value">encrypted value(server)</param>
/// <param name="key">client key</param>
/// <returns>encrypted value(client)</returns>
public static string EncryptFromSeverToClient(string value, string key)
{
if (string.IsNullOrEmpty(value))
{
return(null);
}
string val = value;
if (SecureEngine.IsEncrypted(value))
{
val = SecureEngine.Decrypt(value);
}
return(SecureEngineH5.Encrypt(val, key, key));
}