bouroo · January 7, 2026 06:47 · bouroo · Jan 3, 2019 · inlovet · Mar 28, 2019
diff --git a/thai-id-card.py b/thai-id-card.py
 #!/usr/bin/env python3
 """Thai National ID Card Reader - Refactored for Python 3.

 Author: Kawin Viriyaprasopsook<kawin.v@kkumail.com>
 Date: 2025-06-15
 Requirements: sudo apt-get -y install pcscd python3-pyscard python3-pil

 Refactoring improvements:
 - Context manager support for automatic resource cleanup
 - Enum for status words and constants
 - Logging instead of print statements
 - Type hints with forward references
 - Memory optimization with __slots__
 - Better error handling
 - Configuration separation
 """

 from __future__ import annotations

 import logging
 from dataclasses import dataclass, field
 from enum import IntEnum
 from pathlib import Path
 from typing import Callable, Optional

 from smartcard.System import readers
 from smartcard.util import toHexString


 # ============================================================================
 # Configuration & Constants
 # ============================================================================

 LOGGING_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
 DEFAULT_PHOTO_SEGMENTS = 20


 class StatusCode(IntEnum):
    """ISO 7816 Status Words."""
    SUCCESS = 0x9000
    MORE_DATA_AVAILABLE = 0x6100


 class APDU:
    """APDU command constants."""
    
    SELECT_COMMAND = bytes([0x00, 0xA4, 0x04, 0x00, 0x08])
    APPLET_ID = bytes([0xA0, 0x00, 0x00, 0x00, 0x54, 0x48, 0x00, 0x01])
    BASE_PHOTO_CMD = bytes([0x80, 0xB0, 0x00, 0x78, 0x00, 0x00, 0xFF])
    
    GET_RESPONSE_STANDARD = bytes([0x00, 0xC0, 0x00, 0x00])
    GET_RESPONSE_THAI_CARD = bytes([0x00, 0xC0, 0x00, 0x01])


 # Configure logging
 logging.basicConfig(
    format=LOGGING_FORMAT,
    level=logging.INFO,
    handlers=[logging.StreamHandler()]
 )
 logger = logging.getLogger(__name__)


 # ============================================================================
 # Type Definitions
 # ============================================================================

 DecoderType = Callable[[bytes], str]
 CardData = tuple[bytes, int, int]


 # ============================================================================
 # Custom Exceptions
 # ============================================================================

 class SmartCardError(Exception):
    """Base exception for smart card related errors."""
    pass


 class NoReaderError(SmartCardError):
    """Raised when no smart card readers are available."""
    pass


 class APDUCommandError(SmartCardError):
    """Raised when an APDU command fails."""
    pass


 # ============================================================================
 # Data Classes
 # ============================================================================

 @dataclass(frozen=True, slots=True)
 class APDUCommand:
    """Represents an APDU command for reading a specific field from the card.
    
    Attributes:
        instruction: The APDU instruction bytes
        label: Human-readable field label
        decoder: Function to decode raw bytes to string
    """
    instruction: bytes
    label: str
    decoder: DecoderType = thai2unicode


 # ============================================================================
 # Decoder Functions
 # ============================================================================

 def thai2unicode(data: bytes) -> str:
    """Decodes TIS-620 bytes to Unicode string.
    
    Args:
        data: Raw bytes encoded in TIS-620
        
    Returns:
        Decoded Unicode string with '#' replaced by spaces and stripped
    """
    try:
        return (
            data
            .decode('tis-620', errors='replace')
            .replace('#', ' ')
            .strip()
        )
    except UnicodeDecodeError as e:
        logger.warning(f"Failed to decode TIS-620 data: {e}")
        return ""


 # ============================================================================
 # Smart Card Connection
 # ============================================================================

 class SmartCardConnection:
    """Manages low-level connection and communication with the smart card.
    
    This class implements the context manager protocol for automatic
    resource cleanup.
    """
    
    __slots__ = ('conn', 'get_response_prefix')
    
    def __init__(self, connection: object) -> None:
        """Initialize the connection wrapper.
        
        Args:
            connection: Raw smartcard connection object
        """
        self.conn = connection
        self.get_response_prefix: bytes = APDU.GET_RESPONSE_STANDARD
    
    def connect(self) -> None:
        """Establish connection and determine GET RESPONSE prefix based on ATR."""
        try:
            self.conn.connect()
            atr = self.conn.getATR()
            logger.info(f"ATR: {toHexString(atr)}")
            
            # Determine GET RESPONSE command based on ATR
            # 0x3B 0x67 is a common prefix for Thai ID cards
            self.get_response_prefix = (
                APDU.GET_RESPONSE_THAI_CARD 
                if atr[:2] == [0x3B, 0x67] 
                else APDU.GET_RESPONSE_STANDARD
            )
        except Exception as e:
            raise SmartCardError(f"Failed to connect to card: {e}") from e
    
    def transmit(self, apdu: bytes) -> CardData:
        """Transmit an APDU command.
        
        Args:
            apdu: APDU command as bytes
            
        Returns:
            Tuple of (response_data, sw1, sw2)
        """
        return self.conn.transmit(list(apdu))
    
    def disconnect(self) -> None:
        """Disconnect from the card."""
        try:
            if self.conn:
                self.conn.disconnect()
                logger.info("Disconnected from smart card")
        except Exception as e:
            logger.warning(f"Error during disconnect: {e}")
    
    def __enter__(self) -> SmartCardConnection:
        """Context manager entry."""
        self.connect()
        return self
    
    def __exit__(self, exc_type, exc_val, exc_tb) -> None:
        """Context manager exit."""
        self.disconnect()


 # ============================================================================
 # Smart Card Interface
 # ============================================================================

 class SmartCard:
    """High-level interface for interacting with a Thai National ID card.
    
    Provides methods to read personal data fields and photos from the card.
    """
    
    __slots__ = ('conn',)
    
    def __init__(self, connection: SmartCardConnection) -> None:
        """Initialize the smart card interface.
        
        Args:
            connection: Active SmartCardConnection instance
        """
        self.conn = connection
    
    def initialize(self) -> None:
        """Select the Thai ID card applet.
        
        Raises:
            APDUCommandError: If applet selection fails
        """
        apdu = APDU.SELECT_COMMAND + APDU.APPLET_ID
        _, sw1, sw2 = self.conn.transmit(apdu)
        
        status_word = (sw1 << 8) | sw2
        if status_word != StatusCode.SUCCESS:
            raise APDUCommandError(
                f"Failed to select applet: {sw1:02X} {sw2:02X}"
            )
        
        logger.info(f"Select Applet: {sw1:02X} {sw2:02X}")
    
    def _get_data_with_get_response(self, command_apdu: bytes) -> bytes:
        """Send APDU command and retrieve data using GET RESPONSE.
        
        Args:
            command_apdu: The initial APDU command bytes
            
        Returns:
            Response data as bytes
            
        Raises:
            APDUCommandError: If command or GET RESPONSE fails
        """
        # Send the initial command
        _, sw1, sw2 = self.conn.transmit(command_apdu)
        status_word = (sw1 << 8) | sw2
        
        if status_word != StatusCode.SUCCESS:
            raise APDUCommandError(
                f"Command failed ({toHexString(list(command_apdu))}): "
                f"{sw1:02X} {sw2:02X}"
            )
        
        # Request the actual data using GET RESPONSE
        # Le byte (last byte of original command) indicates expected length
        get_response_apdu = self.conn.get_response_prefix + bytes([command_apdu[-1]])
        data, sw1, sw2 = self.conn.transmit(get_response_apdu)
        
        status_word = (sw1 << 8) | sw2
        if status_word != StatusCode.SUCCESS:
            raise APDUCommandError(
                f"GET RESPONSE failed ({toHexString(list(get_response_apdu))}): "
                f"{sw1:02X} {sw2:02X}"
            )
        
        return bytes(data)
    
    def read_field(self, cmd: APDUCommand) -> str:
        """Read a specific field from the card.
        
        Args:
            cmd: APDUCommand describing the field to read
            
        Returns:
            Decoded field value as string
        """
        data = self._get_data_with_get_response(cmd.instruction)
        result = cmd.decoder(data)
        logger.info(f"{cmd.label}: {result}")
        return result
    
    def read_photo(self, cid: str, segments: int = DEFAULT_PHOTO_SEGMENTS) -> Optional[Path]:
        """Read and save the photo from the card.
        
        Args:
            cid: Citizen ID number for filename
            segments: Number of photo segments to read
            
        Returns:
            Path to saved photo file, or None if failed
        """
        photo_data = bytearray()
        base_photo_cmd = bytearray(APDU.BASE_PHOTO_CMD)
        
        for segment in range(1, segments + 1):
            current_cmd = base_photo_cmd.copy()
            current_cmd[4] = segment  # Set P2 to current segment index
            
            try:
                segment_data = self._get_data_with_get_response(bytes(current_cmd))
                photo_data.extend(segment_data)
            except APDUCommandError as e:
                logger.warning(f"Could not read photo segment {segment}: {e}")
                break
        
        if not photo_data:
            logger.warning("No photo data retrieved")
            return None
        
        filename = Path(f"{cid}.jpg")
        try:
            filename.write_bytes(photo_data)
            logger.info(f"Photo saved as {filename}")
            return filename
        except (IOError, OSError) as e:
            logger.error(f"Error saving photo to {filename}: {e}")
            return None


 # ============================================================================
 # Reader Selection
 # ============================================================================

 def select_reader() -> Optional[object]:
    """Prompt user to select a smart card reader.
    
    Returns:
        Selected reader object, or None if no readers available
        
    Raises:
        NoReaderError: If no readers are found
    """
    reader_list = readers()
    
    if not reader_list:
        logger.error("No smartcard readers found")
        raise NoReaderError("No smartcard readers available")
    
    print("Available readers:")
    for i, reader in enumerate(reader_list):
        print(f"  [{i}] {reader}")
    
    try:
        choice_str = input("Select reader [0]: ").strip()
        choice = int(choice_str) if choice_str else 0
    except ValueError:
        logger.warning("Invalid input. Defaulting to reader 0")
        choice = 0
    
    if not (0 <= choice < len(reader_list)):
        logger.warning(f"Invalid choice '{choice}'. Using reader 0")
        choice = 0
    
    return reader_list[choice]


 # ============================================================================
 # Field Definitions
 # ============================================================================

 THAI_ID_FIELDS = [
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0x04, 0x02, 0x00, 0x0D]), "CID"),
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0x11, 0x02, 0x00, 0x64]), "TH Fullname"),
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0x75, 0x02, 0x00, 0x64]), "EN Fullname"),
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0xD9, 0x02, 0x00, 0x08]), "Date of birth"),
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0xE1, 0x02, 0x00, 0x01]), "Gender"),
    APDUCommand(bytes([0x80, 0xB0, 0x00, 0xF6, 0x02, 0x00, 0x64]), "Card Issuer"),
    APDUCommand(bytes([0x80, 0xB0, 0x01, 0x67, 0x02, 0x00, 0x08]), "Issue Date"),
    APDUCommand(bytes([0x80, 0xB0, 0x01, 0x6F, 0x02, 0x00, 0x08]), "Expire Date"),
    APDUCommand(bytes([0x80, 0xB0, 0x15, 0x79, 0x02, 0x00, 0x64]), "Address"),
 ]


 # ============================================================================
 # Main Application
 # ============================================================================

 def main() -> int:
    """Main application entry point.
    
    Returns:
        Exit code (0 for success, 1 for failure)
    """
    try:
        reader = select_reader()
    except NoReaderError:
        return 1
    
    try:
        connection = SmartCardConnection(reader.createConnection())
        
        with connection:
            card = SmartCard(connection)
            card.initialize()
            
            # Read all fields
            cid = ""
            for cmd in THAI_ID_FIELDS:
                try:
                    result = card.read_field(cmd)
                    if cmd.label == "CID":
                        cid = result
                except APDUCommandError as e:
                    logger.error(f"Error reading {cmd.label}: {e}")
                except Exception as e:
                    logger.error(f"Unexpected error reading {cmd.label}: {e}")
            
            # Read photo if CID was obtained
            if cid:
                card.read_photo(cid)
            else:
                logger.warning("CID not found; skipping photo extraction")
            
        return 0
        
    except SmartCardError as e:
        logger.error(f"Smart Card Error: {e}")
        return 1
    except Exception as e:
        logger.exception(f"An unexpected error occurred: {e}")
        return 1


 if __name__ == "__main__":
    exit(main())
	#!/usr/bin/env python3
	"""Thai National ID Card Reader - Refactored for Python 3.

	Author: Kawin Viriyaprasopsook<kawin.v@kkumail.com>
	Date: 2025-06-15
	Requirements: sudo apt-get -y install pcscd python3-pyscard python3-pil

	Refactoring improvements:
	- Context manager support for automatic resource cleanup
	- Enum for status words and constants
	- Logging instead of print statements
	- Type hints with forward references
	- Memory optimization with __slots__
	- Better error handling
	- Configuration separation
	"""

	from __future__ import annotations

	import logging
	from dataclasses import dataclass, field
	from enum import IntEnum
	from pathlib import Path
	from typing import Callable, Optional

	from smartcard.System import readers
	from smartcard.util import toHexString


	# ============================================================================
	# Configuration & Constants
	# ============================================================================

	LOGGING_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
	DEFAULT_PHOTO_SEGMENTS = 20


	class StatusCode(IntEnum):
	"""ISO 7816 Status Words."""
	SUCCESS = 0x9000
	MORE_DATA_AVAILABLE = 0x6100


	class APDU:
	"""APDU command constants."""

	SELECT_COMMAND = bytes([0x00, 0xA4, 0x04, 0x00, 0x08])
	APPLET_ID = bytes([0xA0, 0x00, 0x00, 0x00, 0x54, 0x48, 0x00, 0x01])
	BASE_PHOTO_CMD = bytes([0x80, 0xB0, 0x00, 0x78, 0x00, 0x00, 0xFF])

	GET_RESPONSE_STANDARD = bytes([0x00, 0xC0, 0x00, 0x00])
	GET_RESPONSE_THAI_CARD = bytes([0x00, 0xC0, 0x00, 0x01])


	# Configure logging
	logging.basicConfig(
	format=LOGGING_FORMAT,
	level=logging.INFO,
	handlers=[logging.StreamHandler()]
	)
	logger = logging.getLogger(__name__)


	# ============================================================================
	# Type Definitions
	# ============================================================================

	DecoderType = Callable[[bytes], str]
	CardData = tuple[bytes, int, int]


	# ============================================================================
	# Custom Exceptions
	# ============================================================================

	class SmartCardError(Exception):
	"""Base exception for smart card related errors."""
	pass


	class NoReaderError(SmartCardError):
	"""Raised when no smart card readers are available."""
	pass


	class APDUCommandError(SmartCardError):
	"""Raised when an APDU command fails."""
	pass


	# ============================================================================
	# Data Classes
	# ============================================================================

	@dataclass(frozen=True, slots=True)
	class APDUCommand:
	"""Represents an APDU command for reading a specific field from the card.

	Attributes:
	instruction: The APDU instruction bytes
	label: Human-readable field label
	decoder: Function to decode raw bytes to string
	"""
	instruction: bytes
	label: str
	decoder: DecoderType = thai2unicode


	# ============================================================================
	# Decoder Functions
	# ============================================================================

	def thai2unicode(data: bytes) -> str:
	"""Decodes TIS-620 bytes to Unicode string.

	Args:
	data: Raw bytes encoded in TIS-620

	Returns:
	Decoded Unicode string with '#' replaced by spaces and stripped
	"""
	try:
	return (
	data
	.decode('tis-620', errors='replace')
	.replace('#', ' ')
	.strip()
	)
	except UnicodeDecodeError as e:
	logger.warning(f"Failed to decode TIS-620 data: {e}")
	return ""


	# ============================================================================
	# Smart Card Connection
	# ============================================================================

	class SmartCardConnection:
	"""Manages low-level connection and communication with the smart card.

	This class implements the context manager protocol for automatic
	resource cleanup.
	"""

	__slots__ = ('conn', 'get_response_prefix')

	def __init__(self, connection: object) -> None:
	"""Initialize the connection wrapper.

	Args:
	connection: Raw smartcard connection object
	"""
	self.conn = connection
	self.get_response_prefix: bytes = APDU.GET_RESPONSE_STANDARD

	def connect(self) -> None:
	"""Establish connection and determine GET RESPONSE prefix based on ATR."""
	try:
	self.conn.connect()
	atr = self.conn.getATR()
	logger.info(f"ATR: {toHexString(atr)}")

	# Determine GET RESPONSE command based on ATR
	# 0x3B 0x67 is a common prefix for Thai ID cards
	self.get_response_prefix = (
	APDU.GET_RESPONSE_THAI_CARD
	if atr[:2] == [0x3B, 0x67]
	else APDU.GET_RESPONSE_STANDARD
	)
	except Exception as e:
	raise SmartCardError(f"Failed to connect to card: {e}") from e

	def transmit(self, apdu: bytes) -> CardData:
	"""Transmit an APDU command.

	Args:
	apdu: APDU command as bytes

	Returns:
	Tuple of (response_data, sw1, sw2)
	"""
	return self.conn.transmit(list(apdu))

	def disconnect(self) -> None:
	"""Disconnect from the card."""
	try:
	if self.conn:
	self.conn.disconnect()
	logger.info("Disconnected from smart card")
	except Exception as e:
	logger.warning(f"Error during disconnect: {e}")

	def __enter__(self) -> SmartCardConnection:
	"""Context manager entry."""
	self.connect()
	return self

	def __exit__(self, exc_type, exc_val, exc_tb) -> None:
	"""Context manager exit."""
	self.disconnect()


	# ============================================================================
	# Smart Card Interface
	# ============================================================================

	class SmartCard:
	"""High-level interface for interacting with a Thai National ID card.

	Provides methods to read personal data fields and photos from the card.
	"""

	__slots__ = ('conn',)

	def __init__(self, connection: SmartCardConnection) -> None:
	"""Initialize the smart card interface.

	Args:
	connection: Active SmartCardConnection instance
	"""
	self.conn = connection

	def initialize(self) -> None:
	"""Select the Thai ID card applet.

	Raises:
	APDUCommandError: If applet selection fails
	"""
	apdu = APDU.SELECT_COMMAND + APDU.APPLET_ID
	_, sw1, sw2 = self.conn.transmit(apdu)

	status_word = (sw1 << 8) \| sw2
	if status_word != StatusCode.SUCCESS:
	raise APDUCommandError(
	f"Failed to select applet: {sw1:02X} {sw2:02X}"
	)

	logger.info(f"Select Applet: {sw1:02X} {sw2:02X}")

	def _get_data_with_get_response(self, command_apdu: bytes) -> bytes:
	"""Send APDU command and retrieve data using GET RESPONSE.

	Args:
	command_apdu: The initial APDU command bytes

	Returns:
	Response data as bytes

	Raises:
	APDUCommandError: If command or GET RESPONSE fails
	"""
	# Send the initial command
	_, sw1, sw2 = self.conn.transmit(command_apdu)
	status_word = (sw1 << 8) \| sw2

	if status_word != StatusCode.SUCCESS:
	raise APDUCommandError(
	f"Command failed ({toHexString(list(command_apdu))}): "
	f"{sw1:02X} {sw2:02X}"
	)

	# Request the actual data using GET RESPONSE
	# Le byte (last byte of original command) indicates expected length
	get_response_apdu = self.conn.get_response_prefix + bytes([command_apdu[-1]])
	data, sw1, sw2 = self.conn.transmit(get_response_apdu)

	status_word = (sw1 << 8) \| sw2
	if status_word != StatusCode.SUCCESS:
	raise APDUCommandError(
	f"GET RESPONSE failed ({toHexString(list(get_response_apdu))}): "
	f"{sw1:02X} {sw2:02X}"
	)

	return bytes(data)

	def read_field(self, cmd: APDUCommand) -> str:
	"""Read a specific field from the card.

	Args:
	cmd: APDUCommand describing the field to read

	Returns:
	Decoded field value as string
	"""
	data = self._get_data_with_get_response(cmd.instruction)
	result = cmd.decoder(data)
	logger.info(f"{cmd.label}: {result}")
	return result

	def read_photo(self, cid: str, segments: int = DEFAULT_PHOTO_SEGMENTS) -> Optional[Path]:
	"""Read and save the photo from the card.

	Args:
	cid: Citizen ID number for filename
	segments: Number of photo segments to read

	Returns:
	Path to saved photo file, or None if failed
	"""
	photo_data = bytearray()
	base_photo_cmd = bytearray(APDU.BASE_PHOTO_CMD)

	for segment in range(1, segments + 1):
	current_cmd = base_photo_cmd.copy()
	current_cmd[4] = segment # Set P2 to current segment index

	try:
	segment_data = self._get_data_with_get_response(bytes(current_cmd))
	photo_data.extend(segment_data)
	except APDUCommandError as e:
	logger.warning(f"Could not read photo segment {segment}: {e}")
	break

	if not photo_data:
	logger.warning("No photo data retrieved")
	return None

	filename = Path(f"{cid}.jpg")
	try:
	filename.write_bytes(photo_data)
	logger.info(f"Photo saved as {filename}")
	return filename
	except (IOError, OSError) as e:
	logger.error(f"Error saving photo to {filename}: {e}")
	return None


	# ============================================================================
	# Reader Selection
	# ============================================================================

	def select_reader() -> Optional[object]:
	"""Prompt user to select a smart card reader.

	Returns:
	Selected reader object, or None if no readers available

	Raises:
	NoReaderError: If no readers are found
	"""
	reader_list = readers()

	if not reader_list:
	logger.error("No smartcard readers found")
	raise NoReaderError("No smartcard readers available")

	print("Available readers:")
	for i, reader in enumerate(reader_list):
	print(f" [{i}] {reader}")

	try:
	choice_str = input("Select reader [0]: ").strip()
	choice = int(choice_str) if choice_str else 0
	except ValueError:
	logger.warning("Invalid input. Defaulting to reader 0")
	choice = 0

	if not (0 <= choice < len(reader_list)):
	logger.warning(f"Invalid choice '{choice}'. Using reader 0")
	choice = 0

	return reader_list[choice]


	# ============================================================================
	# Field Definitions
	# ============================================================================

	THAI_ID_FIELDS = [
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0x04, 0x02, 0x00, 0x0D]), "CID"),
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0x11, 0x02, 0x00, 0x64]), "TH Fullname"),
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0x75, 0x02, 0x00, 0x64]), "EN Fullname"),
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0xD9, 0x02, 0x00, 0x08]), "Date of birth"),
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0xE1, 0x02, 0x00, 0x01]), "Gender"),
	APDUCommand(bytes([0x80, 0xB0, 0x00, 0xF6, 0x02, 0x00, 0x64]), "Card Issuer"),
	APDUCommand(bytes([0x80, 0xB0, 0x01, 0x67, 0x02, 0x00, 0x08]), "Issue Date"),
	APDUCommand(bytes([0x80, 0xB0, 0x01, 0x6F, 0x02, 0x00, 0x08]), "Expire Date"),
	APDUCommand(bytes([0x80, 0xB0, 0x15, 0x79, 0x02, 0x00, 0x64]), "Address"),
	]


	# ============================================================================
	# Main Application
	# ============================================================================

	def main() -> int:
	"""Main application entry point.

	Returns:
	Exit code (0 for success, 1 for failure)
	"""
	try:
	reader = select_reader()
	except NoReaderError:
	return 1

	try:
	connection = SmartCardConnection(reader.createConnection())

	with connection:
	card = SmartCard(connection)
	card.initialize()

	# Read all fields
	cid = ""
	for cmd in THAI_ID_FIELDS:
	try:
	result = card.read_field(cmd)
	if cmd.label == "CID":
	cid = result
	except APDUCommandError as e:
	logger.error(f"Error reading {cmd.label}: {e}")
	except Exception as e:
	logger.error(f"Unexpected error reading {cmd.label}: {e}")

	# Read photo if CID was obtained
	if cid:
	card.read_photo(cid)
	else:
	logger.warning("CID not found; skipping photo extraction")

	return 0

	except SmartCardError as e:
	logger.error(f"Smart Card Error: {e}")
	return 1
	except Exception as e:
	logger.exception(f"An unexpected error occurred: {e}")
	return 1


	if __name__ == "__main__":
	exit(main())
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