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ccid_raw.py: ATR function

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This commit is contained in:
Christina Quast
2015-04-06 00:44:50 +02:00
parent 14fbf9c8ad
commit 5163624c24
1 changed files with 10 additions and 0 deletions
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10
usb_application/ccid_raw.py
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@@ -15,6 +15,15 @@ class SmartcardConnection:
self.establish_context() self.establish_context()
self.connect_card() self.connect_card()
def getATR(self):
hresult, reader, state, protocol, atr = SCardStatus(self.hcard)
if hresult != SCARD_S_SUCCESS:
print 'failed to get status: ' + SCardGetErrorMessage(hresult)
print 'Reader:', reader
print 'State:', state
print 'Protocol:', protocol
print 'ATR:', smartcard.util.toHexString(atr, smartcard.util.HEX)
def connect_card(self): def connect_card(self):
hresult, self.hcard, self.dwActiveProtocol = SCardConnect(self.hcontext, self.reader, hresult, self.hcard, self.dwActiveProtocol = SCardConnect(self.hcontext, self.reader,
SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1) SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)
@@ -77,6 +86,7 @@ if __name__ == '__main__':
import constants import constants
sm_con = SmartcardConnection() sm_con = SmartcardConnection()
sm_con.getATR()
print(sm_con.send_receive_cmd(constants.CMD_SEL_ROOT)) print(sm_con.send_receive_cmd(constants.CMD_SEL_ROOT))
print(sm_con.send_receive_cmd(constants.CMD_SEL_FILE)) print(sm_con.send_receive_cmd(constants.CMD_SEL_FILE))
print(sm_con.send_receive_cmd(constants.CMD_GET_DATA)) print(sm_con.send_receive_cmd(constants.CMD_GET_DATA))