某津市公共资源交易平台链接加密分析

import base64 import requests from Crypto.Cipher import AES from Crypto.Util.Padding import pad from lxml import etree response = requests.get('http://ggzy.zwfwb.tj.gov.cn/jyxxzfcg/index.jhtml') data = etree.HTML(response.text) parents = data.xpath("//div[@class='article-list3-t']") for per_data in parents: publish_time = ''.join(per_data.xpath(".//div[@class='list-times']//text()")) title = ''.join(per_data.xpath(".//a//text()")).strip("\r\n").strip() url = ''.join(per_data.xpath("./a/@url")) key = 'qnbyzzwmdgghmcnm' hh = url aa = hh.split("/") aaa = len(aa) bbb = aa[aaa - 1].split('.') ccc = bbb[0] cccc = bbb[1] if cccc.find('jhtml') != -1: aes = AES.new(key.encode(), AES.MODE_ECB) res = aes.encrypt(pad(ccc.encode(), AES.block_size, style='pkcs7')) # 用base64转成字符串形式 ddd = base64.b64encode(res).decode() ddd = ddd.replace("/", "^") ddd = ddd[0:-2] bbbb = ddd + '.' + bbb[1] aa[aaa - 1] = bbbb uuu = '' for i in aa: uuu += i + '/' uuu = uuu.strip('/') url = uuu # print(uuu) print(url, title, publish_time)