October 2015

Install Steghide CentOS 6

Steganography

Steghide is steganography tool to hide data in various kinds of image- and audio-files.

first of all lets download RMP for centos

after Download we can install it

if no error will be displayed then its ready but if error for example somthing like this

Need to install all dependencies

you will get

now you can use it for example

  • in.jpg is file where we want to add hidden data
  • out.jpg is ready file after add is complated
  • password is pass to encrypt data

PNG/JPG Images Optimization Recursively

Optimization of PNG and JEPG images, using two different utilities first one is jpegoptim which is used to optimize JEPG images to use it recursively and optimize all of images in directory and sub directory you can use this command:

This will strip all data and make images progressive.

PNG images can be optimized with Optipng

 

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