memset(MAC,0,4);
// AA2 authenticate credit key and git c_div_key - later store in dump block 4
if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
//try twice - for some reason it sometimes fails the first time...
if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
memset(MAC,0,4);
// AA2 authenticate credit key and git c_div_key - later store in dump block 4
if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
//try twice - for some reason it sometimes fails the first time...
if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){