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);
}
}
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);
}