28 lines
887 B
Python
28 lines
887 B
Python
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### THIS FUNCTION WILL NOT HELP YOU FIND THE FLAG --LT ########################
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def str_xor(secret, key):
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#extend key to secret length
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new_key = key
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i = 0
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while len(new_key) < len(secret):
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new_key = new_key + key[i]
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i = (i + 1) % len(key)
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return "".join([chr(ord(secret_c) ^ ord(new_key_c)) for (secret_c,new_key_c) in zip(secret,new_key)])
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###############################################################################
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flag_enc = open('level2.flag.txt.enc', 'rb').read()
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def level_2_pw_check():
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user_pw = input("Please enter correct password for flag: ")
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if( user_pw == chr(0x64) + chr(0x65) + chr(0x37) + chr(0x36) ):
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print("Welcome back... your flag, user:")
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decryption = str_xor(flag_enc.decode(), user_pw)
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print(decryption)
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return
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print("That password is incorrect")
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level_2_pw_check()
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