/// <summary>
/// Adds a new file to the container
/// </summary>
/// <param name="path"></param>
public void AddFile(string path)
{
if (this.Files.ElementAt(0).Name == "The container is empty")
{
this.Files.RemoveAt(0);
}
FileInfo info = new FileInfo(path);
CFile cfile = new CFile {
Name = info.Name, Length = (int)info.Length, Offset = this.nextOffset, data = AESThenHMAC.SimpleEncryptWithPassword(ReadFileBytes(path), this.Key), Dummy = false
};
cfile.Length = cfile.data.Length;
this.Files.Add(cfile);
this.Save();
nextOffset += (int)cfile.Length;
if (this.addRandomBuffers)
{
int randSize = (int)(cfile.Length * (0.05f + new Random().NextDouble() / 10f));
var data = AESThenHMAC.SimpleEncryptWithPassword(CreateArrayWithRandomContent(randSize), this.Key);
var dummy = new CFile {
Name = "", Length = data.Length, Offset = this.nextOffset, data = data, Dummy = true
};
this.Files.Add(dummy);
this.Save();
nextOffset += (int)dummy.Length;
}
}
/// <summary>
/// Removes a file from the container at the specified index.
/// </summary>
/// <param name="index"></param>
public void RemoveFile(int index)
{
this.Files.RemoveAt(index);
for (int i = 1; i < this.Files.Count; i++)
{
this.Files[i].Offset = this.Files[i - 1].Offset + this.Files[i - 1].Length;
}
if (this.Files.Count == 0)
{
CFile cfile = new CFile {
Name = "The container is empty", Length = 0, Offset = 0, data = AESThenHMAC.SimpleEncryptWithPassword(GetBytes("empty"), this.Key), Dummy = false
};
cfile.Length = 0;
this.Files.Add(cfile);
}
this.Save();
if (this.addRandomBuffers)
{
RemoveDummy(index);
}
}
/// <summary>
/// Creates a new container
/// </summary>
/// <param name="filename"></param>
public void Create(string filename, bool createHidden = false, string hiddenKey = null)
{
using (FileStream fs = File.Create(filename)){ }
this.Path = filename;
if (hiddenKey == null)
{
hiddenKey = RandomString(32);
}
this.header2 = AESThenHMAC.SimpleEncryptWithPassword(GetBytes("empty"), hiddenKey);
CFile cfile = new CFile {
Name = "The container is empty", Length = 0, Offset = 0, data = AESThenHMAC.SimpleEncryptWithPassword(GetBytes("empty"), this.Key), Dummy = false
};
cfile.Length = 0;
this.Files.Add(cfile);
this.Save();
}
