Create EMV-NFC Paycard

[Landlordway]

sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard

[Landlordway]

Create EMV-NFC Paycard #84

[Landlordway]

#84 (comment) e8c7b53 Mon Sep 17 00:00:00 2001
From: Landlordway 126978865+Landlordway@users.noreply.github.com
Date: Sun, 5 Mar 2023 05:12:45 +0100
Subject: [PATCH] Create EMV-NFC Paycard

---

.../devnied/emvpcsccard/EMV-NFC Paycard | 127 ++++++++++++++++++
1 file changed, 127 insertions(+)
create mode 100644 sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard

diff --git a/sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard b/sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard
new file mode 100644
index 0000000..e436e3e
--- /dev/null
+++ b/sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard
@@ -0,0 +1,127 @@
+package com.github.devnied.emvpcsccard;
+
+import java.nio.ByteBuffer;
+
+import javax.smartcardio.CardChannel;
+
+import javax.smartcardio.CardException;
+
+import org.slf4j.Logger;
+
+import org.slf4j.LoggerFactory;
+
+import com.github.devnied.emvnfccard.enums.SwEnum;
+
+import com.github.devnied.emvnfccard.exception.CommunicationException;
+
+import com.github.devnied.emvnfccard.parser.IProvider;
+
+import com.github.devnied.emvnfccard.utils.TlvUtil;
+
+import fr.devnied.bitlib.BytesUtils;
+
+public class PcscProvider implements IProvider {
+

• /** * Class logger
• */
• private static final Logger LOGGER = LoggerFactory.getLogger(PcscProvider.class);
• /**
• • CardChanel
• */
• private final CardChannel channel;
• /**
• • Buffer
• */
• private final ByteBuffer buffer = ByteBuffer.allocate(1024);
• /**
• • Constructor using field
• • @param pChannel

• •        card channel
    

• */
• public PcscProvider(final CardChannel pChannel) {

•   channel = pChannel;
  

• }
• @OverRide
• public byte[] transceive(final byte[] pCommand) throws CommunicationException {

•   byte[] ret = null;
  

•   buffer.clear();
  

•   if (LOGGER.isDebugEnabled()) {
  

•   	LOGGER.debug("send: " + BytesUtils.bytesToString(pCommand));
  

•   }
  

•   try {
  

•   	int nbByte = channel.transmit(ByteBuffer.wrap(pCommand), buffer);
  

•   	ret = new byte[nbByte];
  

•   	System.arraycopy(buffer.array(), 0, ret, 0, ret.length);
  

•   } catch (CardException e) {
  

•   	// Do nothing
  

•   }
  

•   if (LOGGER.isDebugEnabled()) {
  

•   	LOGGER.debug("resp: " + BytesUtils.bytesToString(ret));
  

•   	try {
  

•   		LOGGER.debug("resp: " + TlvUtil.prettyPrintAPDUResponse(ret));
  

•   		SwEnum val = SwEnum.getSW(ret);
  

•   		if (val != null) {
  

•   			LOGGER.debug("resp: " + val.getDetail());
  

•   		}
  

•   	} catch (Exception e) {
  

•   	}
  

•   }
  

•   return ret;
  

• }
• @OverRide
• public byte[] getAt() {

•   return channel.getCard().getATR().getBytes();
  

• }

+}