我有 4 种不同类型的 JavaCard。出于一个奇怪的目的,我编写了以下小程序,以在接收到每个 APDU 命令时返回整个 APDU 缓冲区:
package bufferReturner;
import javacard.framework.APDU;
import javacard.framework.Applet;
import javacard.framework.ISOException;
public class BufferReturner extends Applet {
private BufferReturner() {
}
public static void install(byte bArray[], short bOffset, byte bLength)
throws ISOException {
new BufferReturner().register();
}
public void process(APDU arg0) throws ISOException {
arg0.setOutgoingAndSend((short)0, (short)256);
}
}
当我向我的卡发送 APDU 命令时,我得到以下结果:
NXP JCOP v2.4.2 r3 卡 - 使用 T=1
OpenSCTool:> OSC.exe -s 00A404000B0102030405060708090101 -s 00000000 -s 00000000020101
Using reader with a card: CASTLES EZ100PU 0
Sending: 00 A4 04 00 0B 01 02 03 04 05 06 07 08 09 01 01
Received (SW1=0x90, SW2=0x00):
00 A4 04 00 0B 01 02 03 04 05 06 07 08 09 01 01 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Sending: 00 00 00 00 02 01 01
Received (SW1=0x90, SW2=0x00):
00 00 00 00 02 01 01 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
OpenSCTool:>
正如您在上面看到的,我的 JCOP 卡按照我的预期做出了回应。但我的 T=0 卡有问题:
复旦FM1280 - 使用T=0
(返回 9000
而不是缓冲区!)
OpenSCTool:> OSC.exe -s 00A404000B0102030405060708090101 -s 00000000 -s 00000000020101
Using reader with a card: CASTLES EZ100PU 0
Sending: 00 A4 04 00 0B 01 02 03 04 05 06 07 08 09 01 01
Received (SW1=0x90, SW2=0x00)
Sending: 00 00 00 00
Received (SW1=0x90, SW2=0x00):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Sending: 00 00 00 00 02 01 01
Received (SW1=0x90, SW2=0x00)
OpenSCTool:>
金雅拓 Top dl v2 - 使用 T=0 (我遇到传输失败错误)
OpenSCTool:> OSC.exe -s 00A404000B0102030405060708090101 -s 00000000 -s 00000000020101
Using reader with a card: CASTLES EZ100PU 0
Sending: 00 A4 04 00 0B 01 02 03 04 05 06 07 08 09 01 01
Received (SW1=0x90, SW2=0x00)
Sending: 00 00 00 00
Received (SW1=0x90, SW2=0x00):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Sending: 00 00 00 00 02 01 01
APDU transmit failed: Transmit failed
OpenSCTool:>
未知卡 - 使用 T=0 (我遇到传输失败错误)
OpenSCTool:> OSC.exe -s 00A404000B0102030405060708090101 -s 00000000 -s 00000000020101
Using reader with a card: CASTLES EZ100PU 0
Sending: 00 A4 04 00 0B 01 02 03 04 05 06 07 08 09 01 01
Received (SW1=0x90, SW2=0x00)
Sending: 00 00 00 00
Received (SW1=0x90, SW2=0x00):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Sending: 00 00 00 00 02 01 01
APDU transmit failed: Transmit failed
OpenSCTool:>
T=0 卡有什么问题?
最佳答案
你的卡没有任何问题。实际上,三张“T=0”卡的响应是“预期的”。相反,“T=1”卡/JCOP 返回了意想不到的结果。
您正在发送以下 APDU:
00A404000B0102030405060708090101
00000000
00000000020101
第一个和第三个是情况 3 APDU(存在 Lc 和命令数据字段,不存在 Le 字段)。第二个 APDU 是 case-1 APDU(仅命令头,但不存在 Lc、DATA 和 LE 字段)。因此,所有三个 APDU 都清楚地表明不应返回任何响应数据字段。因此,您永远不应该为此类命令调用 setOutgoing*()
方法。请注意,Java Card API 规范对此非常明确,并明确指出在 case-1/case-3 命令上调用 setOutgoing*()
可能会导致意外/错误的行为:
This method should only be called on a case 2 or case 4 command, otherwise erroneous behavior may result.
因此,您应该始终检查您拥有的命令情况,并且仅在适当时接收/响应数据(您通常可以根据指令代码确定这一点,因为您知道每条指令的期望)。
为什么 case-1 APDU 按您的预期工作(即返回响应数据字段)与 T=0 TPDU 的格式以及 APDU 映射该格式的方式有关。 T=0 TPDU 的格式为
CLA INS P1 P2 P3 [DATA]
P3 字段始终存在,而 DATA 字段仅在 case-3 APDU 中存在。 TPDU 和 APDU 之间应用以下映射:
- 案例 4 APDU:T=0 不直接支持(读者通常将其映射到案例 3 + GET RESPONSE 命令)
- 案例 3 APDU:P3 = Lc,DATA = DATA
- 案例 2 APDU:P3 = Le,DATA = 不存在
- 案例 1 APDU:P3 = 0,DATA = 不存在
如您所见,对于 case-1 APDU,P3 字段填充为零。这意味着卡无法区分 Le = 0 的 case-2 APDU 和 case-1 APDU。因此,当 T=0 时,任何 case-1 APDU 将被视为 case-2 APDU。因此,setOutgoingAndSend()
方法将适用于 case-1 APDU(在您的情况下为 00000000
)。
关于smartcard - T=0 JavaCard 的传输错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34986522/