Created
December 22, 2020 02:12
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Encryption function used by Instagram (Browser App) to generate the 'enc_password' from PubKey (AES-GCM + SealedBox)
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import base64 | |
import struct | |
import datetime | |
import binascii | |
from urllib.parse import quote_plus | |
# pip install pycryptodomex | |
from Cryptodome import Random | |
from Cryptodome.Cipher import AES | |
# pip install PyNaCl | |
from nacl.public import PublicKey, SealedBox | |
def encrypt_password(key_id, pub_key, password, version=10): | |
key = Random.get_random_bytes(32) | |
iv = bytes([0] * 12) | |
time = int(datetime.datetime.now().timestamp()) | |
aes = AES.new(key, AES.MODE_GCM, nonce=iv, mac_len=16) | |
aes.update(str(time).encode('utf-8')) | |
encrypted_password, cipher_tag = aes.encrypt_and_digest(password.encode('utf-8')) | |
pub_key_bytes = binascii.unhexlify(pub_key) | |
seal_box = SealedBox(PublicKey(pub_key_bytes)) | |
encrypted_key = seal_box.encrypt(key) | |
encrypted = bytes([1, | |
key_id, | |
*list(struct.pack('<h', len(encrypted_key))), | |
*list(encrypted_key), | |
*list(cipher_tag), | |
*list(encrypted_password)]) | |
encrypted = base64.b64encode(encrypted).decode('utf-8') | |
return quote_plus(f'#PWD_INSTAGRAM_BROWSER:{version}:{time}:{encrypted}') | |
print(encrypt_password(72, "b3a328ff28b785092af6a578767877514c93a690a11b9d92ba0ce614c9d5db57", "CHANGE_PASSWORD_HERE")) |
yep this not working i changed the keys still getting this error
In my case, I encrypt with version 10, but version is 9. You should get actual version from https://www.instagram.com/data/shared_data/ -> encryption.version
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any solution for this issue?