To obtain the key, the device must first be rooted. To decrypt crypt7 whatsapp backup database, you will need a cipher key. This how-to is demonstrating on how to decrypt whatsapp backup with crypt7 encryption. Read on as I have prepared for you a compiled how-to from other great references 2 on decrypting whatsapp backup with crypt7 encryption from a non-rooted device with pictures for better understanding. This script converts the crypted database to a plain SQLite3 database. There are a lot of great developers out there that have come out with a great application to decrypt whatsapp backup with these encryption such as Whatsapp Viewer. We can decrypt this database using python script. There are several algorithms that have been used in the encryption such as crypt, crypt5, crypt6, crypt7 and crypt8 algorithm. After that, Whatsapp has taken a security measure up to another level where they use encryption to encrypt the database, thus it can no longer be opened by SQLite, at least not instantly. In the earlier version of Whatsapp, this database is not encrypted and can be converted to Excel for view easily. Not only it encrypts the data being sent and received but Whatsapp has also encrypted the backup databases. The only drawback is that these backups are now encrypted due to the urgency of security awareness in mobile phone instant messaging. Different situation might require different methods and requirements though. In digital forensics, whatsapp backup messages are highly useful especially when the mobile phone is password-protected, corrupted or non-rooted. Whatsapp application is the top instant messaging application worldwide as of December 1.

Crypt key extractor