Merge branch 'nitrokey-v3'

This commit is contained in:
Vincent Breitmoser
2024-02-01 23:55:34 +01:00
4 changed files with 179 additions and 20 deletions

View File

@@ -117,7 +117,7 @@ public abstract class SecurityTokenInfo implements Parcelable {
public enum TokenType {
YUBIKEY_NEO, YUBIKEY_4_5, FIDESMO, NITROKEY_PRO, NITROKEY_STORAGE, NITROKEY_START_OLD,
NITROKEY_START_1_25_AND_NEWER, GNUK_OLD, GNUK_1_25_AND_NEWER, LEDGER_NANO_S, SECALOT, UNKNOWN
NITROKEY_START_1_25_AND_NEWER, NITROKEY_3, GNUK_OLD, GNUK_1_25_AND_NEWER, LEDGER_NANO_S, SECALOT, UNKNOWN
}
public static final Set<TokenType> SUPPORTED_USB_TOKENS = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
@@ -127,6 +127,7 @@ public abstract class SecurityTokenInfo implements Parcelable {
TokenType.NITROKEY_STORAGE,
TokenType.NITROKEY_START_OLD,
TokenType.NITROKEY_START_1_25_AND_NEWER,
TokenType.NITROKEY_3,
TokenType.GNUK_OLD,
TokenType.GNUK_1_25_AND_NEWER,
TokenType.LEDGER_NANO_S,
@@ -139,6 +140,7 @@ public abstract class SecurityTokenInfo implements Parcelable {
TokenType.NITROKEY_PRO,
TokenType.NITROKEY_STORAGE,
TokenType.NITROKEY_START_1_25_AND_NEWER,
TokenType.NITROKEY_3,
TokenType.GNUK_1_25_AND_NEWER,
TokenType.SECALOT
)));

View File

@@ -47,6 +47,53 @@ public class CcidTransceiver {
private static final int COMMAND_STATUS_SUCCESS = 0;
private static final int COMMAND_STATUS_TIME_EXTENSION_RQUESTED = 2;
/**
* Level Parameter: APDU is a single command.
*
* "the command APDU begins and ends with this command"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices rev 1.0
* § 6.1.1.3
*/
public static final short LEVEL_PARAM_START_SINGLE_CMD_APDU = 0x0000;
/**
* Level Parameter: First APDU in a multi-command APDU.
*
* "the command APDU begins with this command, and continue in the
* next PC_to_RDR_XfrBlock"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices rev 1.0
* § 6.1.1.3
*/
public static final short LEVEL_PARAM_START_MULTI_CMD_APDU = 0x0001;
/**
* Level Parameter: Final APDU in a multi-command APDU.
*
* "this abData field continues a command APDU and ends the command APDU"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices rev 1.0
* § 6.1.1.3
*/
public static final short LEVEL_PARAM_END_MULTI_CMD_APDU = 0x0002;
/**
* Level Parameter: Next command in a multi-command APDU.
*
* "the abData field continues a command APDU and another block is to follow"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices rev 1.0
* § 6.1.1.3
*/
public static final short LEVEL_PARAM_CONTINUE_MULTI_CMD_APDU = 0x0003;
/**
* Level Parameter: Request the device continue sending APDU.
*
* "empty abData field, continuation of response APDU is expected in the next
* RDR_to_PC_DataBlock"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices rev 1.0
* § 6.1.1.3
*/
public static final short LEVEL_PARAM_CONTINUE_RESPONSE = 0x0010;
private static final int SLOT_NUMBER = 0x00;
private static final int ICC_STATUS_SUCCESS = 0;
@@ -152,6 +199,28 @@ public class CcidTransceiver {
*/
@WorkerThread
public synchronized CcidDataBlock sendXfrBlock(byte[] payload) throws UsbTransportException {
return sendXfrBlock(payload, LEVEL_PARAM_START_SINGLE_CMD_APDU);
}
/**
* Receives a continued XfrBlock. Should be called when a multiblock response is indicated
* 6.1.4 PC_to_RDR_XfrBlock
*/
@WorkerThread
public synchronized CcidDataBlock receiveContinuedResponse() throws UsbTransportException {
return sendXfrBlock(new byte[0], LEVEL_PARAM_CONTINUE_RESPONSE);
}
/**
* Transmits XfrBlock
* 6.1.4 PC_to_RDR_XfrBlock
*
* @param payload payload to transmit
* @param levelParam Level parameter
*/
@WorkerThread
private synchronized CcidDataBlock sendXfrBlock(byte[] payload, short levelParam)
throws UsbTransportException {
long startTime = SystemClock.elapsedRealtime();
int l = payload.length;
@@ -161,8 +230,9 @@ public class CcidTransceiver {
(byte) l, (byte) (l >> 8), (byte) (l >> 16), (byte) (l >> 24),
SLOT_NUMBER,
sequenceNumber,
0x00, // block waiting time
0x00, 0x00 // level parameters
(byte) 0x00, // block waiting time
(byte)(levelParam & 0x00ff),
(byte)(levelParam >> 8)
};
byte[] data = Arrays.concatenate(headerData, payload);
@@ -187,12 +257,16 @@ public class CcidTransceiver {
ignoredBytes = usbConnection.bulkTransfer(
usbBulkIn, inputBuffer, inputBuffer.length, DEVICE_SKIP_TIMEOUT_MILLIS);
if (ignoredBytes > 0) {
Timber.e("Skipped " + ignoredBytes + " bytes: " + toHexString(inputBuffer, 0, ignoredBytes));
Timber.e(
"Skipped " + ignoredBytes + " bytes: "
+ toHexString(inputBuffer, 0, ignoredBytes)
);
}
} while (ignoredBytes > 0);
}
private CcidDataBlock receiveDataBlock(byte expectedSequenceNumber) throws UsbTransportException {
private CcidDataBlock receiveDataBlock(byte expectedSequenceNumber)
throws UsbTransportException {
CcidDataBlock response;
do {
response = receiveDataBlockImmediate(expectedSequenceNumber);
@@ -205,19 +279,40 @@ public class CcidTransceiver {
return response;
}
private CcidDataBlock receiveDataBlockImmediate(byte expectedSequenceNumber) throws UsbTransportException {
int readBytes = usbConnection.bulkTransfer(usbBulkIn, inputBuffer, inputBuffer.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS);
private CcidDataBlock receiveDataBlockImmediate(byte expectedSequenceNumber)
throws UsbTransportException {
/*
* Some USB CCID devices (notably NitroKey 3) may time-out and need a subsequent poke to
* carry on communications. No particular reason why the number 3 was chosen. If we get a
* zero-sized reply (or a time-out), we try again. Clamped retries prevent an infinite loop
* if things really turn sour.
*/
int attempts = 3;
Timber.d("Receive data block immediate seq=%d", expectedSequenceNumber);
int readBytes;
do {
readBytes = usbConnection.bulkTransfer(
usbBulkIn, inputBuffer, inputBuffer.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS
);
Timber.d("Received " + readBytes + " bytes: " + toHexString(inputBuffer));
} while ((readBytes <= 0) && (attempts-- > 0));
if (readBytes < CCID_HEADER_LENGTH) {
throw new UsbTransportException("USB-CCID error - failed to receive CCID header");
}
if (inputBuffer[0] != (byte) MESSAGE_TYPE_RDR_TO_PC_DATA_BLOCK) {
if (expectedSequenceNumber != inputBuffer[6]) {
throw new UsbTransportException("USB-CCID error - bad CCID header, type " + inputBuffer[0] + " (expected " +
MESSAGE_TYPE_RDR_TO_PC_DATA_BLOCK + "), sequence number " + inputBuffer[6] + " (expected " +
expectedSequenceNumber + ")");
throw new UsbTransportException(
"USB-CCID error - bad CCID header, type " + inputBuffer[0] + " (expected " +
MESSAGE_TYPE_RDR_TO_PC_DATA_BLOCK + "), sequence number " + inputBuffer[6]
+ " (expected " +
expectedSequenceNumber + ")"
);
}
throw new UsbTransportException("USB-CCID error - bad CCID header type " + inputBuffer[0]);
throw new UsbTransportException(
"USB-CCID error - bad CCID header type " + inputBuffer[0]
);
}
CcidDataBlock result = CcidDataBlock.parseHeaderFromBytes(inputBuffer);
@@ -231,9 +326,13 @@ public class CcidTransceiver {
System.arraycopy(inputBuffer, CCID_HEADER_LENGTH, dataBuffer, 0, bufferedBytes);
while (bufferedBytes < dataBuffer.length) {
readBytes = usbConnection.bulkTransfer(usbBulkIn, inputBuffer, inputBuffer.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS);
readBytes = usbConnection.bulkTransfer(
usbBulkIn, inputBuffer, inputBuffer.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS
);
if (readBytes < 0) {
throw new UsbTransportException("USB error - failed reading response data! Header: " + result);
throw new UsbTransportException(
"USB error - failed reading response data! Header: " + result
);
}
System.arraycopy(inputBuffer, 0, dataBuffer, bufferedBytes, readBytes);
bufferedBytes += readBytes;
@@ -247,14 +346,20 @@ public class CcidTransceiver {
private void sendRaw(byte[] data, int offset, int length) throws UsbTransportException {
int tr1;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2) {
tr1 = usbConnection.bulkTransfer(usbBulkOut, data, offset, length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS);
tr1 = usbConnection.bulkTransfer(
usbBulkOut, data, offset, length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS
);
} else {
byte[] dataToSend = Arrays.copyOfRange(data, offset, offset+length);
tr1 = usbConnection.bulkTransfer(usbBulkOut, dataToSend, dataToSend.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS);
tr1 = usbConnection.bulkTransfer(
usbBulkOut, dataToSend, dataToSend.length, DEVICE_COMMUNICATE_TIMEOUT_MILLIS
);
}
if (tr1 != length) {
throw new UsbTransportException("USB error - failed to transmit data (" + tr1 + "/" + length + ")");
throw new UsbTransportException(
"USB error - failed to transmit data (" + tr1 + "/" + length + ")"
);
}
}
@@ -300,7 +405,9 @@ public class CcidTransceiver {
}
return new AutoValue_CcidTransceiver_CcidDataBlock(
getDataLength(), getSlot(), getSeq(), getStatus(), getError(), getChainParameter(), data);
getDataLength(), getSlot(), getSeq(), getStatus(), getError(),
getChainParameter(), data
);
}
byte getIccStatus() {
@@ -316,7 +423,8 @@ public class CcidTransceiver {
}
boolean isStatusSuccess() {
return getIccStatus() == ICC_STATUS_SUCCESS && getCommandStatus() == COMMAND_STATUS_SUCCESS;
return getIccStatus() == ICC_STATUS_SUCCESS
&& getCommandStatus() == COMMAND_STATUS_SUCCESS;
}
}
}

View File

@@ -66,6 +66,7 @@ public class UsbTransport implements Transport {
private static final int PRODUCT_NITROKEY_PRO = 16648;
private static final int PRODUCT_NITROKEY_START = 16913;
private static final int PRODUCT_NITROKEY_STORAGE = 16649;
private static final int PRODUCT_NITROKEY_3 = 17074;
private static final int VENDOR_FSIJ = 9035;
private static final int VENDOR_LEDGER = 11415;
@@ -245,6 +246,8 @@ public class UsbTransport implements Transport {
return versionGreaterEquals125 ? TokenType.NITROKEY_START_1_25_AND_NEWER : TokenType.NITROKEY_START_OLD;
case PRODUCT_NITROKEY_STORAGE:
return TokenType.NITROKEY_STORAGE;
case PRODUCT_NITROKEY_3:
return TokenType.NITROKEY_3;
}
break;
}

View File

@@ -17,6 +17,8 @@
package org.sufficientlysecure.keychain.securitytoken.usb.tpdu;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import androidx.annotation.NonNull;
@@ -26,6 +28,22 @@ import org.sufficientlysecure.keychain.securitytoken.usb.CcidTransportProtocol;
import org.sufficientlysecure.keychain.securitytoken.usb.UsbTransportException;
public class T1ShortApduProtocol implements CcidTransportProtocol {
/**
* Chain Parameter: Start of multi-command APDU response.
*
* "The response APDU begins with this command and is to continue"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices v1.0 § 6.1.1.3
*/
public static final byte CHAIN_PARAM_APDU_MULTIBLOCK_START = 1;
/**
* Chain Parameter: Continued multi-command APDU response with more data.
*
* "This abData field continues the response APDU and another block is to follow"
* -- DWG Smart-Card USB Integrated Circuit(s) Card Devices v1.0 § 6.1.1.3
*/
public static final byte CHAIN_PARAM_APDU_MULTIBLOCK_MORE = 3;
private CcidTransceiver ccidTransceiver;
public void connect(@NonNull CcidTransceiver transceiver) throws UsbTransportException {
@@ -35,7 +53,35 @@ public class T1ShortApduProtocol implements CcidTransportProtocol {
@Override
public byte[] transceive(@NonNull final byte[] apdu) throws UsbTransportException {
CcidDataBlock response = ccidTransceiver.sendXfrBlock(apdu);
return response.getData();
CcidDataBlock initialResponse = ccidTransceiver.sendXfrBlock(apdu);
if (initialResponse.getChainParameter() != CHAIN_PARAM_APDU_MULTIBLOCK_START) {
return initialResponse.getData();
}
/*
* Handle multi-block responses in accordance with DWG Smart-Card USB Integrated Circut(s)
* Card Devices v1.0 § 6.1.1. If we receive a response with a chain parameter indicating
* more data is to come, then instruct the device to continue and append the response to our
* output buffer.
*/
try {
ByteArrayOutputStream output = new ByteArrayOutputStream();
output.write(initialResponse.getData());
CcidDataBlock continuedResponse;
do {
continuedResponse = ccidTransceiver.receiveContinuedResponse();
output.write(continuedResponse.getData());
} while(continuedResponse.getChainParameter() == CHAIN_PARAM_APDU_MULTIBLOCK_MORE);
return output.toByteArray();
} catch (UsbTransportException e) {
// rethrow as-is
throw e;
} catch (IOException e) {
throw new UsbTransportException("Failed to write block to temporary buffer", e);
}
}
}