CONDITIONAL PRIVACY PRESERVING SECURITY PROTOCOL FOR GSM APPLICATION

The idea of this work is to develop the prevention of theft of the ATM card and to control the usage of the ATM card by unauthorized person. The additional feature of this work is that no transaction can be done without the knowledge of the respective card holder for the cause that GSM transactions are being implemented. The description of the work is as follows; whenever the transaction has to be done, the card is inserted inside the ATM machine and devices are made to interact with some of the legacy systems. A message is received to the mobile phone of the rightful proprietor with a pin number of four digits. This number is entered in the ATM machine. In case of password being correct it moves on to the next level of money transaction, asking for the money withdrawal. Scenario like, the password is found to be defective the transaction will get cancel.