19 lines
873 B
Python
Executable File
19 lines
873 B
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import random
|
|
|
|
def str_xor(secret, key):
|
|
#extend key to secret length
|
|
new_key = key
|
|
i = 0
|
|
while len(new_key) < len(secret):
|
|
new_key = new_key + key[i]
|
|
i = (i + 1) % len(key)
|
|
return "".join([chr(ord(secret_c) ^ ord(new_key_c)) for (secret_c,new_key_c) in zip(secret,new_key)])
|
|
|
|
flag_enc = chr(0x15) + chr(0x07) + chr(0x08) + chr(0x06) + chr(0x27) + chr(0x21) + chr(0x23) + chr(0x15) + chr(0x5a) + chr(0x07) + chr(0x00) + chr(0x46) + chr(0x0b) + chr(0x1a) + chr(0x5a) + chr(0x1d) + chr(0x1d) + chr(0x2a) + chr(0x06) + chr(0x1c) + chr(0x5a) + chr(0x5c) + chr(0x55) + chr(0x40) + chr(0x3a) + chr(0x58) + chr(0x0a) + chr(0x5d) + chr(0x53) + chr(0x43) + chr(0x06) + chr(0x56) + chr(0x0d) + chr(0x14)
|
|
|
|
flag = str_xor(flag_enc, 'enkidu')
|
|
print('That is correct! Here\'s your flag: ' + flag) # NOTE: unindented this line
|
|
|