SoNIC Steganography

Presenter: Hector TosadoAdvisor: Professor Hakim Weatherspoon

Cornell University TRUST REU Program

Introduction

Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message, a form of security through obscurity.

1’s and 0’s

SoNIC Steganography

Introduction SoNIC Steganography Network Stack SoNIC Hector Codes Results Conclusion Acknowledgements

Agenda

Network Stack Open Systems Interconnection Model (OSI)

PHY Layer – Generate and detect signals for transmit

SoNIC

SoNIC (Software Network Interface Card).

Software – What is sent

Hardware – How it’s sent

Real-Time

10G Ethernet

6 bit representation of each letter and symbol

100 0000 - @ – 00 0000 - A 100 1111 - O – 00 1111 - P

Hector Codes

Hector Codes

Encode / Scramble Descramble / Decode

Results

Results

Router Limitation

None Invasive

Character Limitation

Conclusion

Hector Codes allows for yet another use for SoNIC.

Hard to detect hidden message.

Allows for greater network efficiency.

Lessons Learned

C Language

Whiteboard

LaTeX

Terminal

Acknowledgements

Hakim Weatherspoon

Ki Suh Lee

Han Wang

LSAMP

TRUST

Cornell University

Contact information

Héctor A. Tosado Jimenez › hector.tosado@upr.edu

Professor Hakim Weatherspoon› hweather@cs.cornell.ed

u Ki Suh Lee

› kslee@cs.cornell.edu Han Wang

› hwang@cs.cornell.edu

Questions