.net加密web.config文件

/// <summary>
    /// 加密指定區塊
    /// </summary>
    private void EncryptWebConfigByDPAPI()
    {
        Configuration configuration = null;
        ConfigurationSection connectionSection = null;

        //打開Request所在路徑網站的Web.config文件
        configuration = WebConfigurationManager.OpenWebConfiguration(Request.ApplicationPath);
        //取得Web.config中connectionStrings設置區塊
        connectionSection = configuration.GetSection("connectionStrings");
        //未加密時
        if (!connectionSection.SectionInformation.IsProtected)
        {
            connectionSection.SectionInformation.ProtectSection("DataProtectionConfigurationProvider");
            configuration.Save();
        }
    }

    /// <summary>
    /// 解密指定區塊
    /// </summary>
    private void EncryptWebConfig()
    {
        Configuration configuration = null;
        ConfigurationSection connectionSection = null;
        //打開Request所在路徑網站的Web.config文件
        configuration = WebConfigurationManager.OpenWebConfiguration(Request.ApplicationPath);
        //取得Web.config中connectionStrings設置區塊
        connectionSection = configuration.GetSection("connectionStrings");

        if (connectionSection != null && connectionSection.SectionInformation.IsProtected)
        {
            connectionSection.SectionInformation.UnprotectSection();
            configuration.Save();
        }
    }