getATR()不会在javax.smartcardio中重置智能卡
我正在使用getATR()不会在javax.smartcardio中重置智能卡,java,smartcard,apdu,Java,Smartcard,Apdu,我正在使用javax.smartcardio软件包为一个带有Java的智能卡编写一个小应用程序,我对ATR(重置答案)有一些问题。card.getATR()方法不会重置卡。它返回ATR字节,但不会将卡返回到MF状态 这就是我的例子: TerminalFactory factory = TerminalFactory.getDefault(); List<CardTerminal> terminals = factory.terminals().list(); // get the
javax.smartcardio
软件包为一个带有Java的智能卡编写一个小应用程序,我对ATR(重置答案)有一些问题。card.getATR()
方法不会重置卡。它返回ATR字节,但不会将卡返回到MF状态
这就是我的例子:
TerminalFactory factory = TerminalFactory.getDefault();
List<CardTerminal> terminals = factory.terminals().list();
// get the first terminal
CardTerminal terminal = terminals.get(0);
// establish a connection with the card
Card card = terminal.connect("T=0");
ATR atr = card.getATR(); //atr.getBytes() <- correct
CardChannel channel = card.getBasicChannel();
ResponseAPDU r;
// STEP 1. select file in MF
r = channel.transmit(new CommandAPDU(new byte[]{0,(byte)0xA4,(byte)0x02,(byte)0x0C,(byte)0x02,0,(byte)0x02,0}));
// r.getBytes() == 90 00 <- correct
// STEP 2. select DF
r = channel.transmit(new CommandAPDU(new byte[]{0,(byte)0xA4,(byte)0x04,(byte)0x0C,(byte)0x02,(byte)0x05,0}));
// r.getBytes() == 90 00 <- correct
atr = card.getATR(); // answer to reset
// STEP 3. select file in MF, as in STEP 1
r = channel.transmit(new CommandAPDU(new byte[]{0,(byte)0xA4,(byte)0x02,(byte)0x0C,(byte)0x02,0,(byte)0x02,0}));
// r.getBytes() == 6A 82 <- fail, not found
card.disconnect(false);
TerminalFactory工厂=TerminalFactory.getDefault();
列表端子=工厂.terminals().List();
//到达第一个终点站
CardTerminal=terminals.get(0);
//与卡建立连接
卡=终端连接(“T=0”);
ATR ATR=card.getATR()//atr.getBytes()卡。getATR()卡未指定重置卡。它只返回已从卡请求的ATR。您可能应该改用,然后重新连接到卡。欢迎使用Stackoverflow,Ro1:)谢谢您的更正。下次我会知道的;)