Decrypt WhatsApp database files with the key

Download jar file from latest release or build using gradle. Then execute follows.

java -jar decrypt12.jar <key_file> <msgstore.db.crypt12> <decrypted_msgstore.db>

For more information refer https://medium.com/@lakinduakash/decrypt-whatsapp-messages-3cc6da574836