What is in smartcard? - Smartcard Directory Structure
Here we learn how data are stored in a smartcard.
- Most smartcards have a UNIX like tree-structured file system.
(Some do not. Personally, shame on those who don't.)
- File names are two byte long.
- The root of the tree is 3f.00.
- For example, the following is the directory structure of M-Card.
There are some files we are interested in ... especially the purse
file, i.e., 3f.00/02.00/02.01.