void BuildFile(string keyFileLoc, string mapFileLoc, FileHider caller)
{
try
{
Stream mapStream = File.Open(mapFileLoc, FileMode.Open);
byte[] mapBytes = new byte[mapStream.Length];
mapStream.Read(mapBytes, 0, mapBytes.Length);
mapStream.Close();
Stream keyStream = File.Open(keyFileLoc, FileMode.Open);
byte[] keyBytes = new byte[keyStream.Length];
keyStream.Read(keyBytes, 0, keyBytes.Length);
keyStream.Close();
int extSize = keyBytes[keyBytes.Length - 1];
List<byte> extNums = new List<byte>();
for (int i = keyBytes.Length - extSize - 1; i < keyBytes.Length - 1; i++) extNums.Add(keyBytes[i]);
string extention = String.Join("",Encoding.ASCII.GetChars(extNums.ToArray()));
int locNumSize = keyBytes[keyBytes.Length - extSize - 2];
List<int> locNums = new List<int>();
for (int i = keyBytes.Length - locNumSize - extSize - 2; i < keyBytes.Length - extSize - 2; i++) locNums.Add(keyBytes[i]);
int startNum = ConvertByte(locNums);
int startCount = startNum;
List<int> locations = new List<int>();
for (int i = 0; i < startNum; i++)
{
List<int> newInt = new List<int>();
for (int h = startCount; h < keyBytes[i] + startCount; h++)
{
newInt.Add(keyBytes[h]);
}
startCount += keyBytes[i];
locations.Add(ConvertByte(newInt));
}
byte[] final = new byte[locations.Count];
totalSize = final.Length;
completedSize = 0;
for (int i = 0; i < final.Length; i++)
{
final[i] = mapBytes[locations[i]];
completedSize = i;
}
string fileName = keyFileLoc.Split('.')[0] + "." + extention;
File.WriteAllBytes(fileName, final);
MessageBox.Show("File Created.");
}
catch
{
MessageBox.Show("File failed to be created.");
}
state = 0;
}
void HideFile(string hideFileLoc, string mapFileLoc, FileHider caller)
{
Stream mapStream = File.Open(mapFileLoc, FileMode.Open);
byte[] mapBytes = new byte[mapStream.Length];
mapStream.Read(mapBytes, 0, mapBytes.Length);
mapStream.Close();
Stream fileStream = File.Open(hideFileLoc, FileMode.Open);
byte[] fileBytes = new byte[fileStream.Length];
fileStream.Read(fileBytes, 0, fileBytes.Length);
fileStream.Close();
List<List<int>> byteLocations = new List<List<int>>();
for (int i = 0; i < 256; i++)
{
byteLocations.Add(new List<int>());
for (int h = 0; h < mapBytes.Length; h++)
{
if (mapBytes[h] == i)
{
byteLocations[i].Add(h);
}
}
}
List<int> missingBytes = new List<int>();
for (int i = 0; i < byteLocations.Count; i++)
{
if (byteLocations[i].Count == 0)
{
missingBytes.Add(i);
}
}
bool validMap = true;
if (missingBytes.Count != 0)
{
for (int i = 0; i < missingBytes.Count && validMap; i++)
{
for (int h = 0; h < fileBytes.Length && validMap; h++)
{
if (missingBytes[i] == fileBytes[h])
{
validMap = false;
}
}
}
}
if (validMap)
{
List<int> locations = new List<int>();
List<int> rawData = new List<int>();
completedSize = 0;
totalSize = fileBytes.Length;
foreach (byte b in fileBytes)
{
completedSize++;
List<int> newBytes = ConvertDec(FindLocation(byteLocations, b));
locations.Add(newBytes.Count);
foreach (int i in newBytes) rawData.Add(i);
}
List<int> locSize = ConvertDec(locations.Count);
foreach (int i in locSize) rawData.Add(i);
rawData.Add(locSize.Count);
string fileName = "";
string extention = "";
if (hideFileLoc.Split('.').Length > 1)
{
fileName = hideFileLoc.Split('.')[0] + ".fkey";
extention = hideFileLoc.Split('.')[1];
byte[] extBytes = ASCIIEncoding.ASCII.GetBytes(extention);
foreach (byte b in extBytes) rawData.Add(b);
rawData.Add(extBytes.Length);
}
else
{
fileName = hideFileLoc + ".fkey";
rawData.Add(0);
}
foreach (int i in rawData) locations.Add(i);
byte[] final = new byte[locations.Count];
for (int i = 0; i < locations.Count; i++) final[i] = (byte)locations[i];
File.WriteAllBytes(fileName, final);
MessageBox.Show("Key Created.");
}
else
{
MessageBox.Show("Map is not sufficant.");
}
state = 0;
}
