def get_encrypted_pin(self, clear_pin, card_number):
"""
Get PIN block in ISO 0 format, encrypted with the terminal key
"""
if not self.terminal_key:
print('Terminal key is not set')
return ''
if self.pinblock_format == '01':
try:
pinblock = bytes.fromhex(get_pinblock(clear_pin, card_number))
#print('PIN block: {}'.format(raw2str(pinblock)))
except TypeError:
return ''
encrypted_pinblock = self.tpk_cipher.encrypt(pinblock)
return raw2str(encrypted_pinblock)
else:
print('Unsupported PIN Block format')
return ''
def test_get_pinblock_invalid_data(self):
self.assertEqual(get_pinblock('IDDQD', 'BBPE'), '')
def test_get_pinblock_length_5(self):
self.assertEqual(get_pinblock('92389', '4000001234562'),
'0592789fffedcba9')
def test_get_pinblock_length_4(self):
self.assertEqual(get_pinblock('1234', '8998811234567890'),
'0412bceedcba9876')
def test_get_pinblock_cardnumber_passed_as_int(self):
self.assertEqual(get_pinblock('1234', 4000001234562000),
'041234fedcba9dff')
def test_get_pinblock_pin_passed_as_int(self):
self.assertEqual(get_pinblock(1234, '4000001234562000'),
'041234fedcba9dff')
def test_get_pinblock_empty_pan(self):
self.assertEqual(get_pinblock('1234', ''), None)
def test_get_pinblock_empty_pin(self):
self.assertEqual(get_pinblock('', '4000001234562000'), None)