public EncryptionKey(string password, DateTime date)
{
EncryptionValues aux = new EncryptionValues();
aux.password_ = password;
aux.date_ = date;
generateKey(aux);
}
public EncryptionKey(string password, DateTime date, bool localmachine)
{
EncryptionValues aux = new EncryptionValues();
aux.password_ = password;
aux.date_ = date;
if (localmachine)
{
aux.localMachine_ = System.Environment.MachineName;
}
else
{
aux.localMachine_ = null;
}
generateKey(aux);
}
//Genera la clave con los valores obtenidos
private void generateKey(EncryptionValues values)
{
Int64 auxInt = 0;
//Password
for (int i = 0; i < values.password_.Length; i++)
{
auxInt += (values.password_[i] * i);
if (auxInt >= int.MaxValue)
{
auxInt = auxInt % int.MaxValue;
}
}
//Fecha
auxInt += values.date_.GetHashCode() + 5 * DateTime.Now.GetHashCode();
if (auxInt >= int.MaxValue)
{
auxInt = auxInt % int.MaxValue;
}
//Local Machine
if (values.localMachine_ != null)
{
for (int i = 0; i < values.localMachine_.Length; i++)
{
auxInt += (values.localMachine_[i] * i);
if (auxInt >= int.MaxValue)
{
auxInt = auxInt % int.MaxValue;
}
}
}
//Key Generada
key_ = Convert.ToInt32(auxInt);
}
public Cryptography()
{
EncryptionValues = new EncryptionValues();
LetterFrequency = new EnglishLetterFrequency();
}
