Tag Archives: hack

How to Decrypt WhatsApp crypt8 Database Messages

WhatsApp backup conversation files are now saved with the .crypt8 extension. This means that WhatsApp has once again changed (do they ever stop??!!) the encryption algorithm used to generate the chat history message backups that are saved on the SD card.

Extract WhatsApp Password on Android

WhatsApp uses a customised version of XMPP (Extensible Messaging and Presence Protocol) as the communication protocol. Upon installation, it creates a user account using one’s phone number (with country code prefix) as the username (Jabber ID: [phone number]@s.whatsapp.net). A password is generated using an unknown algorithm on the server end and sent to the client. Previously the password was derived from the phone’s IMEI or the WiFi MAC address.

How to Extract Unencrypted Whatsapp Chat Messages

On Android, WhatsApp stores encrypted copies of the chat messages onto the SD card. These encrypted copies are denoted by the .crypt, .crypt5, .crypt6 and .crypt7 file extensions. They are generated from the master database file stored in the following location:

How to Decrypt WhatsApp crypt7 Database Messages

WhatsApp has once again changed the algorithm to encrypt all the chat history messages saved on the SD card. This new encryption method is denoted by the .crypt7 filename extension.

How to Decrypt WhatsApp crypt5 Database Messages

A couple of weeks back, WhatsApp introduced a new way of encrypting the backup messages saved on the SD card. The article that I wrote last month on decrypting the WhatsApp messages will no longer work on the new crypt5 files.

Decode HTTP Basic Access Authentication

HTTP Basic Access Authentication is a simple challenge and response mechanism to enforce access controls to web resources. It does not require overheads like cookies, session identifiers, login pages, etc. Since this method is on the weak end of the security strength spectrum, it is seldom implemented except on home Wi-Fi routers.

Free Akamai CDN with Facebook

Akamai operates one of the largest CDN (Content Delivery Network) networks in the world. And if you are not aware, Facebook is one of Akamai’s biggest customers. Most, if not all of the media files that you upload in Facebook are stored on servers operated by Akamai. Now, how does that relate to this article on a free CDN? Continue reading…

How to View Facebook Private Album Photos

Do you have a private Facebook album or photo that is viewable only by you or by only a limited group of people? If yes, do you know that those private photos can actually be viewed by anyone as long as they have the direct URL to those photos? Let me explain how this is done.