def parse_A006(xml, goldpac_dgi_list):
sddf_A006 = get_sddf_tag(xml, 'EMVDataName', 'Kidn')
dgi = Dgi()
dgi.name = 'A006'
data = get_goldpac_data(goldpac_dgi_list, sddf_A006, False)
rule_file_handle = RuleXml(xml.file_name)
_, key = rule_file_handle.get_decrypted_attribute('A006') #顺带解密
data = algorithm.des3_ecb_decrypt(key, data)
dgi.add_tag_value(dgi.name, data)
return dgi
def parse_8000(xml, goldpac_dgi_list, is_second_app):
sddf_8000_ac = get_sddf_tag(xml, 'EMVDataName', 'Kac')
sddf_8000_mac = get_sddf_tag(xml, 'EMVDataName', 'Ksmi')
sddf_8000_enc = get_sddf_tag(xml, 'EMVDataName', 'Ksmc')
dgi = Dgi()
if is_second_app:
dgi.name = '8000_2'
else:
dgi.name = '8000'
data = get_goldpac_data(goldpac_dgi_list, sddf_8000_ac, is_second_app)
data += get_goldpac_data(goldpac_dgi_list, sddf_8000_mac, is_second_app)
data += get_goldpac_data(goldpac_dgi_list, sddf_8000_enc, is_second_app)
rule_file_handle = RuleXml(xml.file_name)
_, key = rule_file_handle.get_decrypted_attribute('8000') #顺带解密
data = algorithm.des3_ecb_decrypt(key, data)
dgi.add_tag_value(dgi.name, data)
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