pybcj_x86_bcj_filter_encode_decode_quickstart.py

1import bcj
2
3# Sample executable-like data (x86 machine code)
4data = b'\x8b\xc1\xe8\x00\x00\x00\x00'
5
6# Create a BCJ filter object for x86
7# Possible filters: X86, ARM, ARMTHUMB, IA64, POWERPC, SPARC
8filter = bcj.Bcj(bcj.FILTER_X86)
9
10# Encode the data
11encoded_data = filter.encode(data)
12
13# Decode the data back
14decoded_data = filter.decode(encoded_data)
15
16print(f"Original: {data.hex()}")
17print(f"Encoded:  {encoded_data.hex()}")
18print(f"Decoded:  {decoded_data.hex()}")
19assert data == decoded_data