1 files changed, 31 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/javacard/NfcTransport.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/javacard/NfcTransport.java
new file mode 100644
index 000000000..b5af8b374
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/javacard/NfcTransport.java
@@ -0,0 +1,31 @@
+package org.sufficientlysecure.keychain.javacard;
+
+import android.nfc.tech.IsoDep;
+
+import java.io.IOException;
+
+public class NfcTransport implements Transport  {
+    // timeout is set to 100 seconds to avoid cancellation during calculation
+    private static final int TIMEOUT = 100 * 1000;
+    private final IsoDep mIsoDep;
+
+    public NfcTransport(final IsoDep isoDep) throws IOException {
+        this.mIsoDep = isoDep;
+        mIsoDep.setTimeout(TIMEOUT);
+        mIsoDep.connect();
+    }
+
+    @Override
+    public byte[] sendAndReceive(final byte[] data) throws TransportIoException, IOException {
+        return mIsoDep.transceive(data);
+    }
+
+    @Override
+    public void release() {
+    }
+
+    @Override
+    public boolean isConnected() {
+        return mIsoDep.isConnected();
+    }
+}