def get_options(self, pdol_req, dol=None):
if dol is None:
dol = DOL()
pdol = dol.get_dol(pdol_req)
# FIXME: make the dol have a todata function which returns 0x83...
resp = self.send(APDU(0x80, 0xa8, data=[0x83, len(pdol)] + pdol))
return self.BER(resp)
def read_record(self, record, sfi=None, which='index'):
if sfi is None:
sfi = 0
which = [
'first', 'last', 'next', 'prev', 'index', 'indexfrom', 'indexto'
].index(which)
resp = self.send(APDU(0, 0xb2, record, (sfi << 3) + which))
return resp
def generate_ac(self, type='aac'):
#, cdol_req, data):
# priority order is tc (transaction certificate), arqc (auth req), aac (app authentication - declined), aar
p1 = ['aac', 'tc', 'arqc', 'aar'].index(type) * 0x40
#cdol_req = [(0x9f6a, 0x04)]
#cdol = self.create_dol(cdol_req)
#cdol = [0, 0, 0, 0, 1, 0] + [0, 0, 0, 0, 0, 0] + [0x8, 0x26] + [0, 0, 0, 0] + [0x8, 0x26] + [0x10, 0x10, 0x10] + [0] + [0x12, 0x34, 0x56, 0x78]
resp = self.send(APDU(0x80, 0xae, p1, data=cdol))
return self.BER(resp)
def brute_instrs(tag):
instrs = []
for i in [0x0, 0x80]:
for j in range(0x100):
resp = tag.send(APDU(i, j))
if resp != [0x6d, 0]:
instrs.append([i, j])
print 'Valid instructions: %s' % ', '.join(map(toHexString, instrs))
def select_by_df(self, pattern, which='first'):
which = ['first', 'last', 'next', 'prev'].index(which)
resp = self.send(APDU(0, 0xa4, 4, which, data=pattern))
ber = self.BER(resp)
fci = ber['FCI']
fci_issuer = fci['FCI_ISSUER']
# FIXME: this should be a class or dict
df = format_dfname(fci['DFNAME'])
sfi = fci_issuer.getparsed('SFI')
pdol_req = fci_issuer.getparsed('PDOL')
return df, sfi, pdol_req
def verify(self, pin):
if self.pin_tries is None:
self.get_pin_tries()
print 'PIN tries left: %s' % self.pin_tries
if not self.pin_tries:
raise EMVError('No PIN retries left')
assert pin.isdigit()
pinhex = pin + 'f' * 14
hexdata = '2%s' % len(pin) + pinhex[:14]
resp = self.send(APDU(0, 0x20, 0x61, 0x80, data=toBytes(hexdata)))
self.pin_tries = None
return resp
def external_auth(self):
resp = self.send(APDU(0, 0x82))
return self.BER(resp)
def get_data(self, tag):
if isinstance(tag, basestring):
tag = self.TAGS[tag]
# Seems to work with either 0 or 0x80 for class
resp = self.send(APDU(0x80, 0xca, tag >> 8, tag & 0xff))
return resp
def get_challenge(self, length):
resp = self.send(APDU(0, 0x84, data=[0] * length))
return self.BER(resp)
def select_by_id(self, type=0, id=None):
# Doesn't seem to work
if id is None:
id = [] # or [0x3f, 0]
resp = self.send(APDU(0, 0xa4, 0, type & 3, data=id))
return resp