Patent ID: 7258267

Claim:
A mobile phone for conducting wireless banking transactions in connection with a server system of a bank through a wireless communication network, comprising: a smart card inputting smart card information consisting of bank account information, log information, and an authentication key, and having a card applet which operates the smart card information; one banking service full text consisting of a common full text and individual full texts used for banking transactions being prepared through the smart card information and an input of the mobile phone; an application completing a transaction after receiving a response to the one banking service full text while transmitting the banking service full text, and having an encoding/decoding module for encoding the one banking service full text and decoding the response to the banking service full text by using a session key, wherein a new session key is allocated to each banking service full text when said application transmits each banking service full text; and a card manager communicating the application with the smart card.