def aes_decrypt(encrypted_txt):
encoded_key = get_key_from_local_state()
encrypted_key = base64.b64decode(encoded_key.encode())
encrypted_key = encrypted_key[5:]
key = dpapi_decrypt(encrypted_key)
nonce = encrypted_txt[3:15]
cipher = Cipher(algorithms.AES(key), None, backend=default_backend())
cipher.mode = modes.GCM(nonce)
decryptor = cipher.decryptor()
return decryptor.update(encrypted_txt[15:])
def aes_decrypt(encrypted_txt):
with open(os.path.join(os.environ['LOCALAPPDATA'],
r"Google\Chrome\User Data\Local State"), encoding='utf-8', mode="r") as f:
jsn = json.loads(str(f.readline()))
encoded_key = jsn["os_crypt"]["encrypted_key"]
encrypted_key = base64.b64decode(encoded_key.encode())
encrypted_key = encrypted_key[5:]
key = dpapi_decrypt(encrypted_key)
nonce = encrypted_txt[3:15]
cipher = Cipher(algorithms.AES(key), None, backend=default_backend())
cipher.mode = modes.GCM(nonce)
decryptor = cipher.decryptor()
return decryptor.update(encrypted_txt[15:])
