def _display_key_info(self, cps):
keys = ['8000', 'A006', '8401', '9000']
dgis = cps.get_all_dgis()
Log.info(
'===================== First Application Key Info ====================='
)
for dgi in dgis:
kcv = ''
for tag, value in dgi.get_all_tags().items():
if tag in keys:
if tag != '9000':
kcv = algorithm.gen_kcv(value)
Log.info('tag%-5s: value:%s kcv:%s', tag, value,
kcv)
second_keys = ['8000_2', '9000_2']
Log.info(
'\n===================== Second Application Key Info ====================='
)
for dgi in dgis:
kcv = ''
for tag, value in dgi.get_all_tags().items():
if dgi.name in second_keys:
Log.info('tag%-5s: value:%s kcv:%s', tag, value,
kcv)
Log.info('\n')
def check_fci_9102(buffer):
tlvs = utils.parse_tlv(buffer)
sub_tlvs = []
sub_fci_9102 = []
for tlv in tlvs:
for fci_item in fci_9102:
if tlv.tag == fci_item[0]:
sub_fci_9102.append(fci_item)
sub_tlvs.append(tlv)
# 判断集合中的顺序是否一致
has_ordered = True
for index in range(len(sub_fci_9102)):
if sub_fci_9102[index][0] != sub_tlvs[index].tag or sub_fci_9102[index][1] != sub_tlvs[index].level:
Log.warn('tag%s is not ordered.',sub_tlvs[index].tag)
has_ordered = False
if not has_ordered:
order_tags = [item[0] for item in sub_fci_9102]
Log.warn('the minium order list should be %s',str(order_tags))
# 判断是否缺少必须的tag
for item in fci_9102:
if item not in sub_fci_9102:
if item[2] == TagCondition.M:
Log.error('FCI 9102 should contains tag%s',item[0])
elif item[2] == TagCondition.C:
Log.warn('FCI 9102 recommand that tag%s should be existed.',item[0])
# 判断是否包含多余的tag
for item in tlvs:
if item not in sub_tlvs:
Log.warn('FCI 9102 should not contains tag%s',item.tag)
def read_log(self):
Log.info('get trans log')
tag9F4D = self.get_tag(PROCESS_STEP.SELECT, '9F4D')
if not tag9F4D:
Log.info('no tag9F4D,do not support record log')
else:
record_count = int(tag9F4D[2:4], 16)
log_sfi = int(tag9F4D[0:2], 16)
buffer = []
for i in range(record_count + 1):
resp = apdu.read_record(log_sfi, i + 1, (0x9000, 0x6A83))
if resp.sw == 0x9000:
Log.info(resp.response)
buffer.append(resp.response)
else:
break
Log.info('%-10s%-15s%-10s%-10s%-8s%-15s%-10s%-10s%-10s', 'result',
'money', 'currency', 'date', 'atc', 'cvr', 'interface',
'time', 'merchant')
for resp in buffer:
result = resp[0:2]
money = resp[2:14]
currency = resp[14:18]
date = resp[18:24]
atc = resp[24:28]
cvr = resp[28:40]
interface = resp[40:42]
trans_time = resp[42:48]
merchant = utils.bcd_to_str(resp[48:])
Log.info('%-10s%-15s%-10s%-10s%-8s%-15s%-10s%-10s%-10s',
result, money, currency, date, atc, cvr, interface,
trans_time, merchant)
def get_dgi_list(fh):
dgi_list_len = fh.read_int(fh.current_offset)
dgi_list_str = fh.read_binary(fh.current_offset, dgi_list_len)
dgi_list = []
for i in range(0, dgi_list_len * 2, 4):
dgi_list.append(dgi_list_str[i:i + 4])
des_encrypt_dgi_list_len = fh.read_int(fh.current_offset)
des_encrypt_dgi_list_str = fh.read_binary(fh.current_offset,
des_encrypt_dgi_list_len)
des_encrypt_dgi_list = []
for i in range(0, des_encrypt_dgi_list_len * 2, 4):
des_encrypt_dgi_list.append(des_encrypt_dgi_list_str[i:i + 4])
sm_encrypt_dgi_list_len = fh.read_int(fh.current_offset)
sm_encrypt_dgi_list_str = fh.read_binary(fh.current_offset,
sm_encrypt_dgi_list_len)
sm_encrypt_dgi_list = []
for i in range(0, sm_encrypt_dgi_list_len * 2, 4):
sm_encrypt_dgi_list.append(sm_encrypt_dgi_list_str[i:i + 4])
Log.info('sm encrypt dgi list: ', end=' ')
Log.info(sm_encrypt_dgi_list)
des_encrypt_dgi_list.extend(sm_encrypt_dgi_list)
log_dgi_list_len = fh.read_int(fh.current_offset)
fh.read_binary(fh.current_offset, log_dgi_list_len) #暂时不需要log DGI记录
return dgi_list, des_encrypt_dgi_list
def second_gac(self):
tag8D = self.get_tag(PROCESS_STEP.READ_RECORD, '8D')
data = tools.assemble_dol(tag8D)
resp = super().gac(Crypto_Type.TC, data)
if resp.sw != 0x9000:
Log.info('send gac1 failed.')
return
return resp
def create_check_aid_case(self, check_aid_list):
case_node = self.smart_qc.create_case_node('AID检测-非接',
'SSQCaseEx3.dll')
# <DeviceList>
device_list_node = self.smart_qc.create_node(case_node, 'DeviceList')
self.smart_qc.create_device_node(device_list_node, 'PC Twin2')
# <SpecialInput>
special_input_node = self.smart_qc.create_node(case_node,
'SpecialInput')
# <CardStruct>
card_struct_node = self.smart_qc.create_node(special_input_node,
'CardSturct')
# <MF>
self.smart_qc.create_node(card_struct_node, 'MF', fid='3F00')
# <ApduList>
app_nodes = self.dp_xml_handle.get_child_nodes(
self.dp_xml_handle.root_element, 'App')
cur_aids = []
for app_node in app_nodes:
aid = self.dp_xml_handle.get_attribute(app_node, 'aid')
if not aid:
Log.error(
'can not get aid from dp xml, check wether the dp xml is correct.'
)
return
cur_aids.append(aid)
need_check_aids = []
for aid in check_aid_list:
if aid not in cur_aids:
need_check_aids.append(aid)
apdu_list_node = self.smart_qc.create_node(card_struct_node,
'ApduList')
for aid in need_check_aids:
apdu = '00A40400' + utils.get_strlen(aid) + aid
self.smart_qc.create_node(apdu_list_node,
'Apdu ',
value=apdu,
sw12="6A82")
test_process_list_node = self.smart_qc.create_node(
case_node, 'TestProcessList')
self.smart_qc.create_node(test_process_list_node,
'Card_sturct_test',
enable='false')
self.smart_qc.create_node(test_process_list_node,
'Compare_IC_info',
enable='false')
self.smart_qc.create_node(test_process_list_node,
'Special_file_test',
enable='false')
self.smart_qc.create_node(test_process_list_node,
'Transaction_test',
enable='false')
self.smart_qc.create_node(test_process_list_node,
'Check_atr',
enable='false')
self.smart_qc.create_node(test_process_list_node,
'ApduList_test',
enable='true')
def check_startswith_70(apdu_resps):
'''
检测读记录响应数据是否以70模板开头
'''
for resp in apdu_resps:
if helper.case_startswith('70', resp.response) != CR.OK:
Log.error('read record response not start with template 70')
return CR.ERROR
return CR.OK
def store_tag(self,step,tag,value):
'''
存储交易中的tag信息
'''
if not value:
Log.warn('tag:%s is empty')
if tag == '9F10':
self.dki = value[2:4]
self.cvn = value[4:6]
self.tags_info.append(TransTag(step,tag,value))
def check_empty_tag(trans_obj):
'''
检测读记录之前的数据是否有空值的现象
'''
has_empty_tag = False
for tag_info in trans_obj.tags_info:
if not tag_info.value:
Log.error('tag%s is empty', tag_info.tag)
has_empty_tag = True
if has_empty_tag:
return CR.ERROR
return CR.OK
def store_tag_group(self,step,tlvs):
'''
存储交易中的一组tag信息
'''
for tlv in tlvs:
if not tlv.is_template:
if not tlv.value:
Log.warn('tag:%s is empty',tlv.tag)
if tlv.tag == '9F10':
self.dki = tlv.value[2:4]
self.cvn = tlv.value[4:6]
self.tags_info.append(TransTag(step,tlv.tag,tlv.value))
def second_gac(self):
tag8D = self.get_tag(PROCESS_STEP.READ_RECORD, '8D')
data = tools.assemble_dol(tag8D)
resp = super().gac(Crypto_Type.TC, data)
if resp.sw != 0x9000:
Log.info('send gac1 failed.')
return
tlvs = utils.parse_tlv(resp.response)
tools.output_apdu_info(resp)
self.store_tag_group(PROCESS_STEP.SECOND_GAC,
utils.parse_tlv(resp.response))
return resp
def _filter(self, data):
if data and data.startswith('APDU'):
start_index = data.find('[')
end_index = data.find(']', start_index)
resp_start_index = data.find('[', end_index)
resp_end_index = data.find(']', resp_start_index)
req = data[start_index + 1:end_index] #取[]中间的APDU指令
resp = data[resp_start_index + 1:resp_end_index]
if req[0:4] in ('00A4', '80E2', '80E6', '80D8', '80F0'):
if not req.endswith('00'):
Log.error('data error: %s not end with 00' % data)
return req[0:-2], resp
return '', ''
def first_gac(self):
tag8C = self.get_tag(PROCESS_STEP.READ_RECORD, '8C')
data = tools.assemble_dol(tag8C)
resp = super().gac(Crypto_Type.ARQC, data)
if resp.sw != 0x9000:
Log.info('send gac1 failed.')
return
tlvs = utils.parse_tlv(resp.response)
tools.output_apdu_info(resp)
self.store_tag_group(PROCESS_STEP.FIRST_GAC,
utils.parse_tlv(resp.response))
self.run_case('case_first_gac', 'run_mc', resp)
return resp
def _comapre_dgi_list(self, mock_cps, prod_cps):
Log.info('===================== Check DGI List =====================')
mock_cps_dgis = [item.name for item in mock_cps.dgi_list]
prod_cps_dgis = [item.name for item in prod_cps.dgi_list]
for mock_cps_dgi_name in mock_cps_dgis:
if mock_cps_dgi_name not in prod_cps_dgis:
Log.error('should perso DGI %s in product environment',
mock_cps_dgi_name)
for prod_cps_dgi_name in prod_cps_dgis:
if prod_cps_dgi_name not in mock_cps_dgis:
Log.error('should NOT perso DGI %s in product environment',
prod_cps_dgi_name)
Log.info("\nmock dgi list:%s\n", mock_cps_dgis)
Log.info('prod dgi list:%s\n', str(prod_cps_dgis))
def process_card_data(fh, rule_file):
cps = Cps()
flag = fh.read_str(fh.current_offset, 6)
if flag != '000EMV':
return False, cps
card_data_len = fh.read_int64(fh.current_offset)
app_count = utils.hex_str_to_int(fh.read_binary(fh.current_offset, 1))
for app in range(app_count):
aid_len = utils.hex_str_to_int(fh.read_binary(fh.current_offset, 1))
aid = fh.read_binary(fh.current_offset, aid_len)
app_data_len = fh.read_int64(fh.current_offset)
dgi_list, encrypt_dgi_list = get_dgi_list(fh)
Log.info('encrypt dgi list :', encrypt_dgi_list)
for item in dgi_list:
card_dgi = Dgi()
dgi = fh.read_binary(fh.current_offset, 2)
dgi_len = utils.hex_str_to_int(fh.read_binary(
fh.current_offset, 1))
dgi_data = fh.read_binary(fh.current_offset, dgi_len)
n_dgi = utils.hex_str_to_int(dgi)
card_dgi.dgi = dgi
if dgi == '0098' or dgi == '0099':
dgi = process_pse(dgi, dgi_data)
elif dgi == '0100':
dgi = process_ppse(dgi, dgi_data)
else:
if n_dgi < 0x0B01:
if dgi_data[0:2] != '70':
return False, cps
if dgi_data[2:4] == '81':
dgi_data = dgi_data[6:]
else:
dgi_data = dgi_data[4:]
if utils.is_rsa(dgi) is False and utils.is_tlv(dgi_data):
tlvs = utils.parse_tlv(dgi_data)
if len(tlvs) > 0 and tlvs[0].is_template is True:
value = utils.assemble_tlv(tlvs[0].tag, tlvs[0].value)
card_dgi.add_tag_value(dgi, value)
else:
for tlv in tlvs:
value = process_tag_decrypt(
rule_file, tlv.tag, tlv.value)
value = utils.assemble_tlv(tlv.tag, value)
card_dgi.add_tag_value(tlv.tag, value)
else:
card_dgi.add_tag_value(dgi, dgi_data)
cps.add_dgi(card_dgi)
return True, cps
def first_gac(self):
tag8C = self.get_tag(PROCESS_STEP.READ_RECORD, '8C')
data = tools.assemble_dol(tag8C)
resp = super().gac(Crypto_Type.ARQC, data)
if resp.sw != 0x9000:
Log.info('send gac1 failed.')
return
tlvs = utils.parse_tlv(resp.response)
if len(tlvs) != 1 and tlvs[0].tag != '80':
Log.info('gac1 response data error')
data = tlvs[0].value
self.store_tag(PROCESS_STEP.FIRST_GAC, '9F27', data[0:2])
self.store_tag(PROCESS_STEP.FIRST_GAC, '9F36', data[2:6])
self.store_tag(PROCESS_STEP.FIRST_GAC, '9F26', data[6:22])
self.store_tag(PROCESS_STEP.FIRST_GAC, '9F10', data[22:])
return resp
def _display_dki(self, cps):
dgis = cps.get_all_dgis()
Log.info(
'===================== First Application DKI Info ====================='
)
for dgi in dgis:
for tag, value in dgi.get_all_tags().items():
if tag in ('9F10') and '_2' not in dgi.name:
Log.info('tag9F10:%s DKI:%s', value[6:], value[8:10])
Log.info(
'\n===================== Second Application DKI Info ====================='
)
for dgi in dgis:
for tag, value in dgi.get_all_tags().items():
if tag in ('9F10') and '_2' in dgi.name:
Log.info('tag9F10:%s DKI:%s', value[6:], value[8:10])
Log.info('\n')
def read_record(self,tag94):
'''
读记录数据
'''
resps = []
afls = utils.parse_afl(tag94)
for afl in afls:
Log.info('read record: %02X%02X',afl.sfi,afl.record_no)
resp = apdu.read_record(afl.sfi,afl.record_no)
if resp.sw != 0x9000:
Log.error('read record wrong')
return resps
tools.output_apdu_info(resp)
resps.append(resp)
if afl.is_static_sign_data:
self.sig_data += utils.remove_template70(resp.response)
return resps
def _parse_set_status_cmd(self, req, resp):
if req[0:6] == '80F080':
if req[6:8] == '07':
Log.info('current card lifecycle: OP_INITIALIZE')
elif req[6:8] == '0F':
Log.info('current card lifecycle: SECURED')
else:
Log.error('Unknown card lifecycle')
if resp != '9000':
Log.error('set current lifecyle Failed.')
def check_duplicate_tag(trans_obj):
'''
检测GPO和读记录数据中是否有重复tag出现
'''
tags = []
has_duplicate = False
for tag_info in trans_obj.tags_info:
if tag_info.step in (PROCESS_STEP.GPO, PROCESS_STEP.READ_RECORD):
tags.append(tag_info.tag)
tag_counts = len(tags)
for current in range(tag_counts):
for index in range(current + 1, tag_counts):
if tags[current] == tags[index]:
Log.error('tag%s has duplicated', tags[current])
has_duplicate = True
if has_duplicate:
return CR.ERROR
return CR.OK
def send_raw(cmd, resp_sw_list=None):
'''
在连接读卡器后，发送APDU指令。
cmd 表示要发送的APDU命令，包括命令头，数据长度，数据。
resp_sw_list 表示期望的响应返回码列表，若返回不是期望的响应码，则自动退出APDU的交互
'''
apdu_response = ApduResponse()
bytes_cmd = str.encode(cmd)
resp_len = c_int(2048)
resp_data = create_string_buffer(resp_len.value)
Log.info('APDU: %s', cmd)
apdu_response.sw = _pcsc_lib.SendApdu(bytes_cmd, resp_data, resp_len)
apdu_response.response = bytes.decode(resp_data.value)
apdu_response.request = cmd
Log.info('RESP: %X', apdu_response.sw)
if resp_sw_list and apdu_response.sw not in resp_sw_list:
sys.exit(1)
return apdu_response
def create_tag_node(self,
app_name,
dp_dgi_node,
compare_node,
aid,
super_tag_list=[]):
comment = app_name
comment += '_' + self.dp_xml_handle.get_attribute(dp_dgi_node,
'name') + ' tag '
tag_nodes = self.dp_xml_handle.get_nodes(dp_dgi_node, 'Tag')
for tag_node in tag_nodes:
name = self.dp_xml_handle.get_attribute(tag_node, 'name')
if name != '--':
comment += name + '/'
# comment node
self.smart_qc.create_comment_node(compare_node, comment)
# tag node
for tag_node in tag_nodes:
name = self.dp_xml_handle.get_attribute(tag_node, 'name')
value = self.dp_xml_handle.get_attribute(tag_node, 'value')
source = self.dp_xml_handle.get_attribute(tag_node, 'type')
if source == 'kms':
continue
if super_tag_list:
existed = False
for item in super_tag_list:
if item[0] == name:
existed = True
item[1] = True
break
if not existed:
Log.warn(
'tag %s not be checked in smartQC xml, maybe you need config this tag in your "get_data_list" configration',
name)
continue
if source == 'fixed':
self.smart_qc.create_tag_node(
compare_node, name, value,
settings.get_mappings_info(aid, name).desc, 'BCD', 'error')
elif source == 'file':
_, value = self.mock_cps._parse_tag_value(tag_node)
self.smart_qc.create_tag_node(
compare_node, name, value,
settings.get_mappings_info(aid, name).desc, 'BCD', 'warn')
def check_tag_len(trans_obj):
has_error = False
for tag_info in trans_obj.tags_info:
tag_len = len(tag_info.value) // 2
len_type, lens = get_tag_len(tag_info.tag, trans_obj.aid)
if len_type == LenType.Range:
if tag_len < lens[0] or tag_len > lens[1]:
Log.error(
'tag%s length is not correct, should be in range%d-%d. current len: %d',
tag_info.tag, lens[0], lens[1], tag_len)
has_error = True
elif len_type == LenType.Fixed:
if tag_len not in lens:
Log.error(
'tag%s length is not correct, should be any of %s. current len: %d',
tag_info.tag, str(lens), tag_len)
has_error = True
if has_error:
return CR.ERROR
return CR.OK
def first_gac_cda(self):
tag8C = self.get_tag(PROCESS_STEP.READ_RECORD, '8C')
if not tag8C:
Log.error('first gac cda faild since tag8C is tempty')
return False
tls = utils.parse_tl(tag8C)
data = ''
self.unpredicatble_number = ''
for tl in tls:
data += terminal.get_terminal(tl.tag, tl.len)
if tl.tag == '9F37':
self.unpredicatble_number = terminal.get_terminal(
tl.tag, tl.len)
resp = super().gac(Crypto_Type.TC_CDA, data)
if resp.sw != 0x9000:
Log.error('send first gac command failed. SW:%04X', resp.sw)
return
tlvs = utils.parse_tlv(resp.response)
tools.output_apdu_info(resp)
self.store_tag_group(PROCESS_STEP.FIRST_GAC, tlvs)
def get_pse_and_ppse_dgi_list(sddf_dgi_list):
global _aid_list_info
pse_dgi_list = []
ppse_dgi_list = []
pse_index, _ = _aid_list_info.get(
'315041592E5359532E4444463031',
('F', '')) #_aid_list_info['315041592E5359532E4444463031']
ppse_index, _ = _aid_list_info.get(
'325041592E5359532E4444463031',
('F', '')) #_aid_list_info['325041592E5359532E4444463031']
if pse_index == 'F':
Log.error('无法获取PSE DGI相关列表')
if ppse_index == 'F':
Log.error('无法获取PPSE DGI相关列表')
for dgi in sddf_dgi_list:
if dgi[4] == pse_index:
pse_dgi_list.append(dgi)
elif dgi[4] == ppse_index:
ppse_dgi_list.append(dgi)
return pse_dgi_list, ppse_dgi_list
def _parse_tlv(dgi_name, data):
dgi = Dgi()
data = utils.remove_dgi(data, dgi_name)
int_dgi = utils.str_to_int(dgi_name)
if int_dgi < 0x0B01:
if data[0:2] != '70':
Log.error('数据有误，小于0B01的DGI应包含70模板')
return None
data = utils.remove_template70(data)
if not utils.is_rsa(dgi_name) and utils.is_tlv(data):
tlvs = utils.parse_tlv(data)
if len(tlvs) > 0 and tlvs[0].is_template is True:
value = utils.assemble_tlv(tlvs[0].tag, tlvs[0].value)
dgi.add_tag_value(dgi_name, value)
else:
for tlv in tlvs:
value = utils.assemble_tlv(tlv.tag, tlv.value)
dgi.add_tag_value(tlv.tag, value)
else:
dgi.add_tag_value(dgi_name, data)
return dgi
def issuer_auth(self):
tag9F26 = self.get_tag(PROCESS_STEP.FIRST_GAC, '9F26')
if not self.cvn:
Log.error('can not get CVN, check tag9F10 wether existed.')
return
if self.cvn == '0A': # CVN10处理流程
arc = '3030'
key = self.key_ac
if self.key_flag == App_Master_Key.MDK:
tag5A = self.get_tag(PROCESS_STEP.READ_RECORD, '5A')
tag5F34 = self.get_tag(PROCESS_STEP.READ_RECORD, '5F34')
key = auth.gen_udk(key, tag5A, tag5F34)
arpc = auth.gen_arpc_by_des3(key, tag9F26, arc)
resp = apdu.external_auth(arpc, arc)
if resp.sw == 0x9000:
return True
elif self.cvn == '12': # CVN18处理流程
csu = '00820000'
self.divert_key() #需要使用AC session key
arpc = auth.gen_arpc_by_mac(self.session_key_ac, tag9F26, csu)
terminal.set_terminal('91', arpc + csu)
return True
return False
def process_mag_data(fh,rule_file_name):
rule_file = RuleXml(rule_file_name)
mag_node = rule_file.get_first_node(rule_file.root_element,'Magstrip')
mag_flag = fh.read_str(fh.current_offset,6)
if mag_flag != '000MAG':
return False
mag_data_len = fh.read_int64(fh.current_offset)
track_flag_list = []
track_flag_list.append(fh.read(fh.current_offset,1))
track_flag_list.append(fh.read(fh.current_offset + 1,1))
track_flag_list.append(fh.read(fh.current_offset + 1,1))
mag_data = fh.read_binary(fh.current_offset,mag_data_len - 5)
mag_data_list = [x for x in mag_data.split('7C') if len(x) > 0]
Log.info('decrypt mag data: ',end='')
Log.info(mag_data_list)
dgi = Dgi()
dgi.name = 'Magstrip'
if mag_node is not None:
mag_key = rule_file.get_attribute(mag_node,'key')
decrypt_mag_list = []
for data in mag_data_list:
data = utils.bcd_to_str(data)
data = algorithm.des3_ecb_decrypt(mag_key,data)
data = utils.bcd_to_str(data)
data_len = int(data[0:4])
data = data[4:data_len + 4].rstrip()
decrypt_mag_list.append(data)
pos = 1
for mag in decrypt_mag_list:
for index in range(pos,4):
pos += 1
option = 'mag' + str(pos)
if track_flag_list[index - 1] == '0':
dgi.add_tag_value(option,'')
continue
dgi.add_tag_value(option,mag)
break
Log.info('decrypt mag data: ',end='')
Log.info(decrypt_mag_list)
return dgi
def split_rsa(xml, goldpac_dgi_list, is_second_app):
rule_file_handle = RuleXml(xml.file_name)
_, key = rule_file_handle.get_decrypted_attribute('RSA')
sddf_tag = ''
_, sddf_tag, _ = rule_file_handle.get_tag_link_attribute(
'EMVDataName', 'Icc_KeyPair')
if is_second_app:
sddf_tag = sddf_tag[0:4] + get_second_app_index() + sddf_tag[5:8]
else:
sddf_tag = sddf_tag[0:4] + get_first_app_index() + sddf_tag[5:8]
encrypted_data = get_goldpac_data(goldpac_dgi_list, sddf_tag,
is_second_app)
if encrypted_data is None:
Log.error('无法获取RSA数据[tag' + sddf_tag + ']缺少数据')
decrypted_data = algorithm.des3_ecb_decrypt(key, encrypted_data)
if len(decrypted_data) <= 2 or decrypted_data[0:2] != '30':
Log.error('RSA解密失败')
return None
decrypted_data = decrypted_data[2:]
_, decrypted_data = get_rsa_dgi_len(decrypted_data)
dgi_list = []
for i in range(9):
decrypted_data = decrypted_data[2:] #remove flag '02'
dgi_len, decrypted_data = get_rsa_dgi_len(decrypted_data)
dgi_data = get_rsa_dgi_value(decrypted_data, dgi_len)
decrypted_data = decrypted_data[dgi_len:]
dgi = Dgi()
if is_second_app:
dgi.name = '_2'
if i == 4:
dgi.name = '8205' + dgi.name
elif i == 5:
dgi.name = '8204' + dgi.name
elif i == 6:
dgi.name = '8203' + dgi.name
elif i == 7:
dgi.name = '8202' + dgi.name
elif i == 8:
dgi.name = '8201' + dgi.name
else:
continue
dgi.add_tag_value(dgi.name[0:4], dgi_data)
dgi_list.append(dgi)
Log.info(dgi.name[0:4] + '=' + dgi_data)
return dgi_list
def get_terminal(tag, length=None, default=None):
value = terminal_cfg.get(tag)
if not value:
if length:
value = '0' * length * 2
Log.warn('can not require terminal settings for tag %s', tag)
if value:
Log.warn('set tag%s value:%s', tag, value)
return value
return default
else:
if length and len(value) != length * 2:
if len(value) >= length * 2:
value = value[0:length * 2]
else:
value += '0' * (length * 2 - len(value))
Log.warn('padding 0 at tag %s', tag)
return value