像这种如何进行解密

python小学士

1. #!/usr/bin/python
   
2. from Crypto.Cipher import AES
   
3. import binascii
   
4. from Crypto.Util.number import bytes_to_long
   
5. from flag import flag
   
6. from key import key
   
7. 
   
8. iv = flag.strip(b'd0g3{').strip(b'}')
   
9. 
   
10. LENGTH = len(key)
    
11. assert LENGTH == 16
    
12. 
    
13. hint = os.urandom(4) * 8
    
14. print(bytes_to_long(hint)^bytes_to_long(key))
    
15. 
    
16. msg = b'Welcome to this competition, I hope you can have fun today!!!!!!'
    
17. 
    
18. def encrypto(message):
    
19.     aes = AES.new(key,AES.MODE_CBC,iv)
    
20.     return aes.encrypt(message)
    
21. 
    
22. print(binascii.hexlify(encrypto(msg))[-32:])
    
23. 
    
24. '''
    
25. 56631233292325412205528754798133970783633216936302049893130220461139160682777
    
26. b'3c976c92aff4095a23e885b195077b66'
    
27. '''
    

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kaohsing

解不了