def encrypt_file(file_in_path, file_out_path):
new_key = AESCipher.generate_key()
encrypter = AESCipher(new_key)
encrypter.encrypt(file_in_path, file_out_path)
return new_key
import os.path as osp
import subprocess
import cpchain
from cpchain.crypto import AESCipher
key = b'\xaf\x1a8\x9f_=\xac\xb5"$.\xd2\xcb\xdf\xfb\xeb'
cipher = AESCipher(key)
fpath = osp.join(cpchain.root_dir, "tools/assets/shakespeare.txt")
outpath = osp.join(cpchain.root_dir, "tools/crypto/_local_en-sp.txt")
cipher.encrypt(fpath, outpath)
d = cipher.get_digest(outpath)
print("valid" if cipher.is_valid(outpath, d) else "invalid")
newpath = osp.join(cpchain.root_dir, "tools/crypto/_local_de-sp.txt")
cipher.decrypt(outpath, newpath)
subprocess.run(['sha256sum', fpath])
subprocess.run(['sha256sum', newpath])