Ed/EP Series 2 -- file structure

The electronic passbook/wallet application is an application designed for cardholders to conduct financial transactions. For a financial IC card, it can support both the electronic passbook and the electronic wallet, or only one of them. The existence of the two applications on the card can be indicated by the application type identifier (ATI.

 

From the terminal perspective, the files on the IC card are in a tree structure. Each branch of the tree is an application definition file (ADF) or a directory definition file (DDF ). An ADF is the entry point for one or more basic application files (AEF. An ADF and its related data files are on the same branch of the tree. A ddf is the entry point of another ADF or DDF.

 

 

 

The above table shows an instance structure of the card application. The file structure is as follows:

 

0000	Key File
0001	Dir directory file
0015	Public Information File
0016	Cardholder basic data file
1001	Adf1 application (urban public transportation Application)
2001	Adf2 application (monthly ticket wallet application)
3001	Adf3 Extended Application 1
4001	Adf4 Extended Application 2

 

The application structure of adf1 and adf2 is as follows:

 

0000	Key File
0002	E-Wallet files
0017	Card distribution basic data file
0018	Transaction details File
0019	Basic billing data files