bialylis / stenography

Final project for Cryptography and Security course at ITBA. Year 2013.

Stenography

Final project for Cryptography and Security course at ITBA. Year 2013.

Instructions

• The libargtable2-dev library must be installed:

    apt-get install libargtable2-dev 
  

• In the root of the project the following scripts can be found:

  • desafio.sh with the commands to get the hidden video.
  • test.sh with several tests

• To run the previously mentioned scripts, run:

    sh scriptname.sh
  

• Arguments are:

    [--extract] [--embed] [-i <input hide file>] -p <input bmp> -o <output bmp> -s LSB1|LSB4|LSBE [-a aes128|aes192|aes256|des] [-m ecb|cfb|ofb|cbc] [-P <char>]
  

• Required parameters:

  • --extract Indicates that information will be extract
  • --embed Indicates the information to be hidden
  • -i o --in File that will be hidden
  • -p Carrier bmp file
  • -o o --out Output file
  • -s o --steg LSB1|LSB4|LSBE Stenography algorithm

• Optional parameters:

  • -a aes128|aes192|aes256|des Encryption/Decryption algorithm
  • -m ecb|cfb|ofb|cbc Encryption/Decryption mode
  • -P o --pass Encryption password