METHOD AND SYSTEM FOR SECURING PIN ENTRY ON A MOBILE PAYMENT DEVICE BY DISABLING TONE EMISSIONS

摘要

A mobile communication device 130 Obtains a password of a customer for processing a payment transaction. During entry of the password, the mobile communication device 130 disables tone emissions to protect the PIN from discovery. The mobile communication device encrypts the password using a public key and transfers the encrypted password over a network 140 to a transaction host 160 that utilizes the password in performing the payment transaction.