ISO7816-3 / ATR / Baud Rate / PPS

ISO7816-3 describes smart card electric signals and transmission protocols, the detail can refer to the spec, below are some examples about for better understanding about the spec, 1, ATR and Baud Rate my Singapore cash card ATR “3B2A00806524B0000200829000” 3B = TS – (H) LHHL HHH LLH sets up the direct convention 2A = T0, includes Y1 = bit8 to bit5 value as 2, bit wise as 0010, means only TB1 exists, and K as bit4 to bit1 value as 0x0A, history bytes length 0x0A.

Preparation on Zend PHP certification exam (uCertify)

Although my everyday work is not involving PHP, this technology interest me as it’s popular Web programming language, powerful and easy to use, my blog was built by WordPress(PHP/mySQL), it’s natural to look at the Zend PHP 5.5 Certification as a method to learn and develop the knowledge about PHP, and maybe add a little logo on my CV, I know this is a challenge, I am glad to take it.