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InersIn/RTLxHA_2021_Crypto_a.py

Created August 1, 2021 21:16
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RTLxHA_2021_Crypto_a.py
#!/usr/bin/env python3
from pwn import xor
# bash echo -ne "133f29027034094a33253126395b3704" | xxd -r -p > hexflag.txt
hexflag=open("hexflag.txt", 'rb').read()
# Get The Key
key=""
flagformat="RTL{"
for x in range(4):
key+=chr(hexflag[x]^ord(flagformat[x]))
print(f"Found the key: {key}")
# Xor using Pwntools
print("Flag:",xor(key, hexflag).decode())
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