Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Stegano Secrets - Python

1,015 views

Published on

Stegano Secrets - Python

Published in: Technology
  • Login to see the comments

Stegano Secrets - Python

  1. 1. Stegano Secrets - Python Santhosh Baswa Cyber Security Enthusiast santhosh.nuz@gmail.com October 17, 2015 Santhosh Baswa October 17, 2015 1 / 9
  2. 2. Introduction Steganography Steganography comes from Greek Word. It means covered or secret writing. ” Steganography = steganos (covered) + graphein (writing) ” Main Points ” The goal of steganography is to hide messages in such a way that no one apart from the intended recipient even knows that a message has been sent.” This can be achieve by concealing the existence of information within seemingly harmless carriers or cover. Santhosh Baswa October 17, 2015 2 / 9
  3. 3. Block diagram of Steganography Santhosh Baswa October 17, 2015 3 / 9
  4. 4. Steganography in Images Image Encoding Techniques The most common approaches to information hiding in images: Least Significant bit Insertion Masking and Filtering Algorithms and transformations Where we can use ? Confidential Communication Secret Data Storing Santhosh Baswa October 17, 2015 4 / 9
  5. 5. Practical Session Starts with Python By Using Python Python Scripting is most powerful language for Security Professionals. Syntax is too simple. Lot of 3rd party modules available. Python Modules used : We are mainly using these modules in this session: binascii (hexify) getpass sys , os simplecrypt Image,stepic Santhosh Baswa October 17, 2015 5 / 9
  6. 6. Modules : binascii (hexify) and getpass hexify getpass os and sys (stdin) Santhosh Baswa October 17, 2015 6 / 9
  7. 7. Modules : simplecrypt simplecrypt Santhosh Baswa October 17, 2015 7 / 9
  8. 8. Modules : Image , Stepic Image - Stepic Santhosh Baswa October 17, 2015 8 / 9
  9. 9. Final Program Source code Santhosh Baswa October 17, 2015 9 / 9

×