Mobile Phone Transaction Authentication System

							                   Mobile Phone Transaction Authentication System
                                        Database Model

User ID            Email              Acctount                    Balance        Balance    Balance
                                      Number                                       Min       Max


 First             Users                       Has                            Accounts
Name                                         Account



 Last             Username        Password
Name




                                                                    t
                                                                   an
                                                              rch
                                                            Me
     Status            Trans.          Status
                     Start Time      Description


                                                                               Has Card
     Trans.           Transaction                  Participates
       ID


    Amount
                                                                  Cu
                                                                   sto
                                                                       me
                                                                         r




      Student
         ID                                                                                   Card
                                                                                              Limit


         I-Card                      Maps To                                 Logical Card    Status


                                                                                             Card
                                                                                            Number
                                                                                 Has
                                                                                Policy
                                                                                            Policy ID


                                                                                             Auth.
                                                                               Policies      Keys

                                                                                             Auth.
                                                                                             Type

                                                                                            Min Auth.
                                                                                            Amount