加密app.config

EncryptConnection.EncryptConnectionString(true);

 

public static class EncryptConnection

    {

        public static void EncryptConnectionString(bool encrypt)

        {

            Configuration configFile = null;

            try

            {

                // Open the configuration file and retrieve the connectionStrings section.

                configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);

                ConnectionStringsSection configSection = configFile.GetSection("connectionStrings") as ConnectionStringsSection;



                if ((!(configSection.ElementInformation.IsLocked)) && (!(configSection.SectionInformation.IsLocked)))

                {

                    if (encrypt && !configSection.SectionInformation.IsProtected)//encrypt is false to unencrypt

                    {

                        configSection.SectionInformation.ProtectSection("DataProtectionConfigurationProvider");

                    }



                    if (!encrypt && configSection.SectionInformation.IsProtected)//encrypt is true so encrypt

                    {

                        configSection.SectionInformation.UnprotectSection();

                    }



                    //re-save the configuration file section

                    configSection.SectionInformation.ForceSave = true;



                    // Save the current configuration.

                    configFile.Save();

                }

            }

            catch (System.Exception ex)

            {

                throw (ex);

            }

            finally

            {

            }

        }

    }