public void TEAEcnryption(FileInfo file, FormModel model)
{
bool threadSuccesfull = false;
var timeStarted = DateTime.Now;
try
{
//OutputFileName
string outputFileName = FileNameCreator.CreateFileEncryptedName(
model.Folders.OutputFolder,
file.Name,
model.AlgorithmName);
//Log
loggerController.Add(" ! File enc: " + file.Name + ", Alg: " + model.AlgorithmName);
//Read a file char by char, and encrypt it
using (FileStream fsw = new FileStream(outputFileName, FileMode.Create))
{
using (BinaryWriter bw = new BinaryWriter(fsw, new ASCIIEncoding()))
{
//Writing the extension
char[] extension = file.Extension.Substring(1, file.Extension.Length - 1).ToCharArray();
char extensionLength = (char)extension.Length;
bw.Write(extensionLength);
for (var k = 0; k < extension.Length; k++)
{
bw.Write(extension[k]);
}
//Reading and encrypting files
var readedValue = File.ReadAllBytes(file.FullName);
var encryptedValue = TEA.Encrypt(readedValue);
bw.Write(encryptedValue);
if (LoadedFilesController._END_OF_ENC_DEC_THREADS)
{
bw.Dispose();
fsw.Dispose();
File.Delete(outputFileName);
Thread.CurrentThread.Abort();
}
}
}
threadSuccesfull = true;
Thread.Sleep(250);
}
catch (Exception ex)
{
loggerController.Add(" ? Enc exception: " + ex.Message);
threadSuccesfull = false;
}
finally
{
this.ThreadEnds(file, threadSuccesfull, timeStarted);
}
}
public void TEABMPEcnryption(FileInfo file, FormModel model)
{
bool threadSuccesfull = false;
var timeStarted = DateTime.Now;
try
{
if (!file.Extension.Contains("bmp"))
{
throw new Exception("File is not bmp!");
}
//OutputFileName
string outputFileName = FileNameCreator.CreateFileEncryptedNameBMP(
model.Folders.OutputFolder,
file.Name,
model.AlgorithmName);
//Log
loggerController.Add(" ! File enc: " + file.Name + ", Alg: " + model.AlgorithmName);
//Read a file char by char, and encrypt it
using (FileStream fsw = new FileStream(outputFileName, FileMode.Create))
{
using (BinaryWriter bw = new BinaryWriter(fsw, new ASCIIEncoding()))
{
//Reading and encrypting files
var readedValue = File.ReadAllBytes(file.FullName);
long pos = readedValue[10] + 256 * (readedValue[11] + 256 * (readedValue[12] + 256 * readedValue[13]));
byte[] header = new byte[pos];
for (int i = 0; i < header.Length; i++)
{
header[i] = readedValue[i];
}
byte[] data = readedValue.Skip(header.Length).ToArray();
var encryptedValue = TEA.Encrypt(data);
encryptedValue = header.Concat(encryptedValue).ToArray();
bw.Write(encryptedValue);
if (LoadedFilesController._END_OF_ENC_DEC_THREADS)
{
bw.Dispose();
fsw.Dispose();
File.Delete(outputFileName);
Thread.CurrentThread.Abort();
}
}
}
threadSuccesfull = true;
Thread.Sleep(250);
}
catch (Exception ex)
{
loggerController.Add(" ? Enc exception: " + ex.Message);
threadSuccesfull = false;
}
finally
{
this.ThreadEnds(file, threadSuccesfull, timeStarted);
}
}