#!/usr/bin/env python3
import argparse
import binascii
import socket
import sys
from pwnlib.elf import ELF
parser = argparse.ArgumentParser(description="solve script for 'read_it'")
parser.add_argument('--host', default="challenge", help="the host for the instance")
parser.add_argument('--port', type=int, default=5000, help="the port of the instance")
args = parser.parse_args()
elf = ELF('read_it')
key = elf.string(elf.symbols["key"])
secret1 = elf.string(elf.symbols["secret1"])
secret2 = elf.string(elf.symbols["secret2"])
print("key: ", key.decode())
print("secret1:", secret1.decode())
print("secret2:", secret2.decode())
def encode_first(data):
r = bytearray()
for i in range(0, 16):
r.append(data[i] ^ 0x17)
return r
def encode_second(data):
k = ""
for i in range(0, 16):
