Exemple #1
0
            public static void DeCryptFile(string sourceFileName)
            {
                string tempfilename = sourceFileName + ".temp";

                AESReader treader = new AESReader(sourceFileName);

                if (!treader.IsEncrypt)
                {
                    treader.Dispose();
                    DLog.LogError("试图解密一个非加密文件或文件无法解密.");
                    return;
                }
                FileStream tfilesource = File.Create(tempfilename);

                bool tisfinished = false;

                try
                {
                    byte[] tbuffer    = new byte[sOnelen];
                    long   tlength    = treader.Length;
                    long   readedsize = 0;
                    int    treadsize  = treader.Read(tbuffer, 0, sOnelen);
                    while (treadsize > 0)
                    {
                        readedsize += treadsize;

                        int twritesize = treadsize;
                        if (readedsize + SafeByteLen >= tlength)
                        {
                            twritesize -= SafeByteLen;
                        }

                        tfilesource.Write(tbuffer, 0, twritesize);
                        tfilesource.Flush();

                        treadsize = treader.Read(tbuffer, 0, sOnelen);
                    }
                    tisfinished = true;
                }
                catch (System.Exception _error)
                {
                    DLog.LogError(_error);
                    File.Delete(tempfilename);
                }
                treader.Close();
                treader.Dispose();

                tfilesource.Flush();
                tfilesource.Close();
                tfilesource.Dispose();

                if (tisfinished)
                {
                    File.Delete(sourceFileName);
                    File.Move(tempfilename, sourceFileName);
                }
            }
Exemple #2
0
            public static void EnCryptFile(string sourceFileName)
            {
                string tempfilename = sourceFileName + ".temp";

                AESReader tsourcefile = new AESReader(sourceFileName);

                if (tsourcefile.IsEncrypt)
                {
                    DLog.LogError("尝试对已经加密的文件进行2次加密.sourceFileName = " + sourceFileName);
                    tsourcefile.Dispose();
                    return;
                }
                AESWriter twriter = new AESWriter(tempfilename);

                bool tisfinised = false;

                try
                {
                    long   tlength    = tsourcefile.Length;
                    byte[] tbuffer    = new byte[sOnelen];
                    long   readedsize = 0;
                    int    treadsize  = tsourcefile.Read(tbuffer, 0, sOnelen);
                    while (treadsize > 0)
                    {
                        readedsize += treadsize;
                        twriter.WriteBytesWhere(tbuffer, 0, treadsize);
                        twriter.Flush();

                        treadsize = tsourcefile.Read(tbuffer, 0, sOnelen);
                    }
                    tisfinised = true;
                }
                catch (System.Exception _error)
                {
                    DLog.LogError(_error);
                    File.Delete(tempfilename);
                }

                tsourcefile.Close();
                tsourcefile.Dispose();
                twriter.Close();
                twriter.Dispose();

                if (tisfinised)
                {
                    File.Delete(sourceFileName);
                    File.Move(tempfilename, sourceFileName);
                }
            }
        public static void DeCryptFile(string sourceFileName)
        {
            string tempfilename = sourceFileName + ".temp";

            AESReader treader = new AESReader(sourceFileName);

            if (!treader.IsEncrypt)
            {
                treader.Dispose();
                DLog.LogError("试图解密一个非加密文件或文件无法解密.");
                return;
            }
            byte[] tallbytes = treader.ReadAllBytes();
            treader.Dispose();
            File.WriteAllBytes(tempfilename, tallbytes);

            File.Delete(sourceFileName);
            File.Move(tempfilename, sourceFileName);
        }
        public static void EnCryptFile(string sourceFileName)
        {
            string tempfilename = sourceFileName + ".temp";

            AESReader tsourcefile = new AESReader(sourceFileName);

            if (tsourcefile.IsEncrypt)
            {
                DLog.LogError("尝试对已经加密的文件进行2次加密.sourceFileName = " + sourceFileName);
                tsourcefile.Dispose();
                return;
            }
            byte[] tallbytes = tsourcefile.ReadAllBytes();
            tsourcefile.Dispose();

            AESWriter twriter = new AESWriter(tempfilename);

            twriter.WriteBytes(tallbytes);
            twriter.Close();


            File.Delete(sourceFileName);
            File.Move(tempfilename, sourceFileName);
        }