# Read crypt14 file with open(crypt14_file, 'rb') as f: raw = f.read()
# Header: 30 bytes (version 2, salt, nonce) version = raw[0] # Should be 14 crypt_salt = raw[1:17] # 16 bytes salt for DB nonce = raw[17:29] # 12 bytes nonce for GCM ciphertext = raw[29:-16] # Remove GCM tag at end gcm_tag = raw[-16:] how to decrypt whatsapp database crypt 14 fix
import hashlib import hmac import binascii from Crypto.Cipher import AES from Crypto.Protocol.KDF import PBKDF2 def decrypt_crypt14(key_file, crypt14_file, output_file): # Read key file with open(key_file, 'rb') as f: key_data = f.read() # Read crypt14 file with open(crypt14_file, 'rb') as
# Decrypt with AES-GCM cipher = AES.new(derived_key, AES.MODE_GCM, nonce=nonce) plaintext = cipher.decrypt_and_verify(ciphertext, gcm_tag) # Read crypt14 file with open(crypt14_file