C#文件加密方法汇总

{
    /// <summary>
    /// 文件加密类
    /// </summary>
    public class FileEncrypt
    {
        #region 变量
        /// <summary>
        /// 一次处理的明文字节数
        /// </summary>
        public static readonly int encryptSize = 10000000;
        /// <summary>
        /// 一次处理的密文字节数
        /// </summary>
        public static readonly int decryptSize = 10000016;
        #endregion

        #region 加密文件
        /// <summary>
        /// 加密文件
        /// </summary>
        public static void EncryptFile(string path, string pwd, RefreshFileProgress refreshFileProgress)
        {
            try
            {
                if (File.Exists(path + ".temp")) File.Delete(path + ".temp");
                using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
                {
                    if (fs.Length > 0)
                    {
                        using (FileStream fsnew = new FileStream(path + ".temp", FileMode.OpenOrCreate, FileAccess.Write))
                        {
                            if (File.Exists(path + ".temp")) File.SetAttributes(path + ".temp", FileAttributes.Hidden);