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"""Provides a smartcard target communicating via the LEIA board in solo mode."""
from typing import Optional
from smartleia import LEIA, create_APDU_from_bytes, T
from pyecsca.sca.target.ISO7816 import (
ISO7816Target,
CommandAPDU,
ResponseAPDU,
ISO7816,
CardProtocol,
CardConnectionException,
)
class LEIATarget(ISO7816Target): # pragma: no cover
"""Smartcard target communicating via LEIA in solo mode."""
def __init__(self, leia: LEIA):
self.leia = leia
@property
def atr(self) -> bytes:
return self.leia.get_ATR().normalized()
@property
def card_present(self) -> bool:
return self.leia.is_card_inserted()
def select(self, aid: bytes) -> bool:
apdu = CommandAPDU(0x00, 0xA4, 0x04, 0x00, aid)
resp = self.send_apdu(apdu)
return resp.sw == ISO7816.SW_NO_ERROR
def send_apdu(self, apdu: CommandAPDU) -> ResponseAPDU:
leia_apdu = create_APDU_from_bytes(bytes(apdu))
resp = self.leia.send_APDU(leia_apdu)
return ResponseAPDU(bytes(resp.data), resp.sw1 << 8 | resp.sw2)
def connect(self, protocol: Optional[CardProtocol] = None):
proto = T.AUTO
if protocol == CardProtocol.T0:
proto = T.T0
elif protocol == CardProtocol.T1:
proto = T.T1
try:
self.leia.configure_smartcard(protocol_to_use=proto)
except: # noqa
raise CardConnectionException()
def disconnect(self):
pass
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