Java Card STK applet environment test Just tried to test a simple Java Card STK applet on (U)SIM cards, it was easy to prepare the applet, but it is tricky to convert to cap file and download to the real cards. The source code is quite simple, just setup menu itme “Hello, STK”, if click, then it will display “Welcome toorCamp […]
ISO7816-3 T=1 I was trying to find out the detail of ISO7816-3 Protocol T = 1, the biggest problem is it’s hard to find T = 1 smart card sample, so I cannot do the test and experiment to find out and understand the detail. I always believe the best way to understand one thing is to […]
GPShell install on Ubuntu trusty 14.04 Installed the GPShell on Ubuntu trusty version 14.04, there are quite a few dependencies required to be installed before GPShell can be installed, 1, install pcsc-lite, use below command, or download the source to make and make install. sudo apt-get install pcsc-tools error: configure: error: install libudev-dev or use –disable-libudev resolved by: yum install libudev-dev* […]
JavaCard free memory detect (how much memory left) Problem / Requirement: You have a JavaCard and have full access to it, you want to know how much user space, or how much memory left for you to use? Here is what I do, Write a basic JavaCard applet in JCOP. The code snippet as below, 1, Declare the public variable to store the […]