This tag is associated with 3 posts

An Introduction to Steganography aka Stenography

What is Steganography Steganography is the art and science of hiding that communication is happening. Classical steganography systems depend on keeping the encoding system secret, but modern steganography is detectable only if secret information is known, e.g. a secret key. Because of their invasive nature, steganography systems leave detectable traces within a medium’s characteristics. This … Continue reading

MITM Attack against Tor SSL for Deep Packet Analysis

Tor is wonderful tool to ensure your privacy on the Internet. Tor prevents somebody watching your Internet connection from learning what sites you visit, and it prevents the sites you visit from learning your physical location. Tor achieves this by bouncing through other Tor users via an anonymous and encrypted interchange. In short a series … Continue reading

Detect nude images and pornography without using OpenCV

OpenCV (Open Source Computer Vision) is a library of programming functions for processing video and images. The library has more than 2500 optimized algorithms. Usage ranges from interactive art, to mines inspection, stitching maps on the web or through advanced robotics. Below is some code copied from that OpenCV group that gives a mask for … Continue reading