/// <summary>
/// Ask user for keys
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void BtnUnlockClick(object sender, EventArgs e)
{
string message = String.Format("Please enter the key to read sector {0}:", SectorNumber);
KeyForm keyForm = new KeyForm(message, KeyForm.KeyType.reading);
DialogResult r = keyForm.ShowDialog();
if (r == DialogResult.Cancel)
{
return;
}
MemoryCardMifareClassic.Sector newSector = new MemoryCardMifareClassic.Sector(SectorNumber);
if (!newSector.setReadingKeyFromString(keyForm.getUserKey()))
{
MessageBox.Show(this.Parent,
"The application is unable to use the specified key.",
"Internal error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
MemoryCardMifareClassic.Sector readedSector = Card.ReadSectorWithKey(newSector);
if (readedSector == null)
{
MessageBox.Show(this.Parent,
"There has been an error while reading the sector.",
"Reading failed",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
this.Sector = readedSector;
PrintData();
}
/// <summary>
/// Change sector's access conditions
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void BtChangeAccesConditionsClick(object sender, EventArgs e)
{
if (this.Sector == null)
{
return;
}
bool proposeToTypeKeys = (!Sector.isSetKeyA() && !Sector.isSetKeyB()) || !Sector.isSetKeyA() || !Sector.isSetKeyB();
if (proposeToTypeKeys)
{
DialogResult AccessResult = MessageBox.Show(this.Parent,
"Do you know the keys to unlock this sector?",
"Authentication required",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (AccessResult == DialogResult.Yes)
{
UnlockForm unlockForm = new UnlockForm(this.Sector);
DialogResult unlockFormResult = unlockForm.ShowDialog();
if (unlockFormResult != DialogResult.Cancel)
{
this.Sector = unlockForm.getSectorControl(); // Keys are set
Card.ReadSectorTrailer(ref this.Sector);
}
}
}
MifareSectorTrailerDefinitionForm accessConditions = new MifareSectorTrailerDefinitionForm(this.Sector);
DialogResult r = accessConditions.ShowDialog();
if (r == DialogResult.Cancel)
{
return;
}
bool success = false;
if (Card.WriteSectorTrailer(this.Sector))
{
success = true;
}
else
{
DialogResult result = MessageBox.Show(this.Parent,
"Failed to change the access conditions.\nDo you know the key to write this sector?",
"Authentication required",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
string message = String.Format("Please enter the key to write sector {0}:", Sector.Number);
KeyForm keyForm = new KeyForm(message, KeyForm.KeyType.writing);
DialogResult resdial = keyForm.ShowDialog();
if (resdial != DialogResult.Cancel)
{
if (this.Sector.setWritingKeyFromString(keyForm.getUserKey()))
{
if (Card.WriteSectorTrailer(this.Sector))
{
success = true;
}
else
{
MessageBox.Show(this.Parent,
"There has been an error while writing the sector's trailer.",
"Writing failed",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(this.Parent,
"The application is unable to use the specified key.",
"Internal error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
}
}
if (success)
{
MessageBox.Show(this.Parent,
"The sectors's trailer has been successfully updated !",
"Writing succeeded",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
return;
}
/// <summary>
/// Write changes to card
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void BtWriteToCardClick(object sender, EventArgs e)
{
// @TODO: Interdire la modification du block 0
byte[] b = getDataFromHexbox();
if (b == null)
{
return;
}
MemoryCardMifareClassic.Sector newSector = new MemoryCardMifareClassic.Sector(Sector.Number);
/* Fill the sector data */
int firstBlockAddress = MemoryCardMifareClassic.SectorFirstBlockAddress(Sector.Number);
int lastBlockAddress = MemoryCardMifareClassic.SectorTrailerAddress(Sector.Number) - 1; // Excluded trailer def.
int startingAddress = 0;
for (int address = 0; address < 3; address++)
{
byte[] data = new byte[16];
Array.Copy(b, startingAddress, data, 0, 16);
startingAddress += 16;
Logger.Trace("Content " + BinConvert.ToHex(data));
newSector.SetBlock(address, data);
}
bool success = false;
/* Write data */
if (Card.WriteSector(newSector))
{
success = true;
}
else
{
// Can't write, we are going to try with a key
string message = String.Format("Please enter the key to write sector {0}:", SectorNumber);
KeyForm keyForm = new KeyForm(message, KeyForm.KeyType.writing);
if (keyForm.ShowDialog() != DialogResult.Cancel)
{
if (newSector.setWritingKeyFromString(keyForm.getUserKey()))
{
if (Card.WriteSector(newSector))
{
success = true;
}
else
{
MessageBox.Show(this.Parent,
"There has been an error while writing the sector.",
"Writing failed",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(this.Parent,
"The application is unable to use the specified key.",
"Internal error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
}
if (success)
{
MessageBox.Show(this.Parent,
"The sectors's content has been successfully updated !",
"Writing succeeded",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
btWriteToCard.Enabled = false;
}
