public static PDF From(FormattedFile file)
{
return(PDF.deserialize(file.serialize()));
}
private PDF decryptFile(FormattedFile file)
{
Stopwatch sw = new Stopwatch();
sw.Start();
key = new int[4] {
beginning - 1, beginning, beginning, beginning
};
int nbMaxKeys = (int)Math.Pow((limit - beginning) + 1, key.Length);
var runningTasks = new CountdownEvent(1);
int keysUsed = 0;
// Use ParallelOptions instance to limit to processor
ParallelOptions po = new ParallelOptions();
po.MaxDegreeOfParallelism = Environment.ProcessorCount;
PDF fileToReturn = null;
object returnLock = new object();
indexListKeys = 0;
List <string> keys = new List <string>();
Parallel.For(0, nbMaxKeys, po, (index, loop) =>
{
int[] keyArray;
lock (this.key)
{
keyArray = this.keyAvailable();
//if (keysUsed % 676 == 1) Debug.WriteLine("[SERVICE] current keys used = " + keysUsed);
}
string newKey = "";
foreach (int i in keyArray)
{
newKey += Convert.ToChar(i);
}
FormattedFile fileToVerify = this.decryptTask(file, newKey);
Interlocked.Increment(ref keysUsed);
PDF resultVerification = this.verificationRequest(fileToVerify, newKey);
// TODO: Treat the verification response
if (resultVerification != null)
{
loop.Stop();
//sendEmail(newKey, resultVerification.filename);
lock (returnLock)
{
fileToReturn = resultVerification;
}
}
});
Debug.WriteLine("[SERVICE] Decryption - decryptFile: keysUsed = " + keysUsed);
Debug.WriteLine("[SERVICE] Decryption - decryptFile: time = " + sw.ElapsedMilliseconds / 1000 + "." + sw.ElapsedMilliseconds % 1000 + " sec");
return(fileToReturn);
}
