[原创]2021签到题身在何处-CTF对抗-看雪-安全社区|安全招聘|kanxue.com

[原创]2021签到题身在何处

发表于: 2021-11-15 17:09 3352

[原创]2021签到题身在何处

falconnnn

2021-11-15 17:09

3352

crc32校验

import binascii
import string
'''
crc32(tostring(name_crc ^ serial)) == 330861687 
'''
 
serial = 653259165
a_crc =  binascii.crc32(bytes('01F845C5B7C52E56',encoding='utf-8')) & 0xffffffff
name_crc =  binascii.crc32(bytes('KCTF',encoding='utf-8')) & 0xffffffff
print(a_crc ^ serial ^ name_crc)