def executeAPDUs(self):
"""Execute APDUs and save results in table"""
rows = self.table.rowCount()
for rownum in range(0, rows):
if self.table.item(rownum, 0).checkState() == Qt.Checked:
apdu = self.table.cellWidget(rownum, 1).toPlainText()
apdu = hexstr2list(apdu)
txdatalen = apdu[4]
if len(apdu) == 5:
rxdatalen = txdatalen
txdatalen = 0
txdata = None
else:
txdata = apdu[5:(5+txdatalen)]
if len(apdu) == 5+txdatalen:
rxdatalen = 0
else:
rxdatalen = apdu[5+txdatalen+1]
resp = self.driver.sendAPDU(apdu[0], apdu[1], apdu[2], apdu[3], txdata, rxdatalen)
if type(resp) == int:
self.table.cellWidget(rownum, 2).setText("%04x"%resp)
else:
payload = ""
for d in resp[1]: payload += "%02x "%d
payload = payload.rstrip()
self.table.cellWidget(rownum, 2).setText("%04x: %s"%(resp[0], payload))
def validateAPDU(self, widget):
headerstart = "<font color=red>"
headerend = "</font>"
lenstart = "<font color=blue>"
lenend = "</font>"
payloadstart = "<font color=green>"
payloadend = "</font>"
#APDU Changed, verify & colour-code text
data = hexstr2list(widget.toPlainText())
htmlstr = ""
#Validate length - basic
if len(data) < 5:
fail = True
else:
#First four bytes are header
htmlstr += headerstart
header = data[0:4]
for d in header:
htmlstr += "%02x "%d
htmlstr += headerend
#Next is payload length or response length
htmlstr += lenstart
htmlstr += "%02x "%data[4]
htmlstr += lenend
plen = data[4]
#Have payload
if len(data) > 5:
#Hmm... bad format!?
if (len(data)-5) < plen:
print "ERROR: Header too short"
plen = len(data)-5
payload = data[5:(5+plen)]
htmlstr += payloadstart
for d in payload:
htmlstr += "%02x "%d
htmlstr += payloadend
if (len(data)-5) > plen:
htmlstr += lenstart
htmlstr += "%02x "%data[plen+5]
htmlstr += lenend
if (len(data)-5) != (plen+1):
print "ERROR: Extra data"
widget.setHtml(htmlstr)
def setKnownKeyStr(self, strkey):
"""Override known key by user selection"""
try:
hexkey = hexstr2list(strkey)
self.override = hexkey
except ValueError:
QMessageBox.warning(None, "Key Selection", "Could not convert '%s' to hex, key unchanged!" % strkey)
def setKnownKeyStr(self, strkey):
"""Override known key by user selection"""
try:
hexkey = hexstr2list(strkey)
self.override = hexkey
except ValueError:
QMessageBox.warning(None, "Key Selection", "Could not convert '%s' to hex, key unchanged!" % strkey)
def inTextChanged(self, data=None):
data = self.indata.text()
try:
newdata = hexstr2list(data)
if len(newdata) != 16 and len(newdata) != 32:
err = "ERR: Len=%d: %s" % (len(newdata), newdata)
self.outkey.setText(err)
self.keysched.setText(err)
else:
if len(newdata) == 16:
self.setKeyLength(128)
elif len(newdata) == 32:
self.setKeyLength(256)
#Read settings
delim = self.outmode.itemData(self.outmode.currentIndex())
desired = 0
inpround = self.inprnd.itemData(self.inprnd.currentIndex())
key = newdata
# Get initial key
result = keyScheduleRounds(key, inpround, desired)
if len(key) == 32:
result.extend(keyScheduleRounds(key, inpround,
desired + 1))
rstr = ["%02x" % t for t in result]
rstr = (delim[1] + delim[0]).join(rstr)
rstr = delim[0] + rstr
self.outkey.setText(rstr)
# Get entire key schedule
if len(key) == 16:
rnds = 10
elif len(key) == 32:
rnds = 14
totalrndstr = ""
for r in range(0, rnds + 1):
result = keyScheduleRounds(key, inpround, r)
rstr = ["%02x" % t for t in result]
rstr = (delim[1] + delim[0]).join(rstr)
rstr = delim[0] + rstr
totalrndstr += rstr + "\n"
self.keysched.setText(totalrndstr)
except ValueError:
self.outkey.setText("ERR in HEX: %s" % data)
def inTextChanged(self, data=None):
data = self.indata.text()
try:
newdata = hexstr2list(data)
if len(newdata) != 16 and len(newdata) != 32:
err = "ERR: Len=%d: %s" % (len(newdata), newdata)
self.outkey.setText(err)
self.keysched.setText(err)
else:
if len(newdata) == 16:
self.setKeyLength(128)
elif len(newdata) == 32:
self.setKeyLength(256)
#Read settings
delim = self.outmode.itemData(self.outmode.currentIndex())
desired = 0
inpround = self.inprnd.itemData(self.inprnd.currentIndex())
key = newdata
# Get initial key
result = keyScheduleRounds(key, inpround, desired)
if len(key) == 32:
result.extend(keyScheduleRounds(key, inpround, desired + 1))
rstr = ["%02x" % t for t in result]
rstr = (delim[1] + delim[0]).join(rstr)
rstr = delim[0] + rstr
self.outkey.setText(rstr)
# Get entire key schedule
if len(key) == 16:
rnds = 10
elif len(key) == 32:
rnds = 14
totalrndstr = ""
for r in range(0, rnds+1):
result = keyScheduleRounds(key, inpround, r)
rstr = ["%02x" % t for t in result]
rstr = (delim[1] + delim[0]).join(rstr)
rstr = delim[0] + rstr
totalrndstr += rstr + "\n"
self.keysched.setText(totalrndstr)
except ValueError:
self.outkey.setText("ERR in HEX: %s" % data)
