What is Card Manager and how does it work ?

Question

Hi everyone,
I would like to know how can I find complete description about "card manager"?
If there is any document or link that have explained it ,please inform me.
yours sincerely,
Orchid

Answer 1

Since it is part of the GP API, the only way to handle the CVM PIN is through an Applet. So you need one "Global PIN" Applet, with which you can set/block/submit/verify a the CVM PIN. All other Applets will implement a verification of the CVM PINin the select() method:
     public boolean select () {
          CVM cvm = GPSystem.getCVM(GPSystem.CVM_GLOBAL_PIN);
          if(!cvm.isVerified())
               return false;
          else
               return true;
     }