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Steganography

Содержание

IntroductionSteganographyHistoryClassificationWorking princpleLeast Significant Bit (LSB) Substitution InjectionFlow ChartSteganography processImage as a carrierPixel representation in RGBBandwidth reduced file transferUsage and Future applicationModern printersWater marking Future applicationConclusion Table of Contents

Слайды и текст этой презентации

Слайд 1Steganography
By
Tukenov Ilyas & Tleuov Adilet

SteganographyBy Tukenov Ilyas & Tleuov Adilet

Слайд 2Introduction
Steganography
History
Classification

Working princple
Least Significant Bit (LSB) Substitution
Injection
Flow Chart

Steganography process
Image as

a carrier
Pixel representation in RGB
Bandwidth reduced file transfer

Usage and Future

application
Modern printers
Water marking
Future application

Conclusion

Table of Contents

IntroductionSteganographyHistoryClassificationWorking princpleLeast Significant Bit (LSB) Substitution InjectionFlow ChartSteganography processImage as a carrierPixel representation in RGBBandwidth reduced file

Слайд 3Cryptology
Cryptography
Cryptanalysis
Steganography

CryptologyCryptographyCryptanalysisSteganography

Слайд 12STEGANOGRAPHY process
Three basic ways to encode data in steganography:
Image as

a carrier
Pixel representation in RGB
Bandwidth reduced file transfer

STEGANOGRAPHY processThree basic ways to encode data in steganography:Image as a carrierPixel representation in RGBBandwidth reduced file

Слайд 131.IMAGE AS CARRIER:
 
It is an efficient technique for steganography, An

image is used as cover for hiding the actual data.

Digital images are a preferred media for hiding information due to their high capacity and low impact on visibility.

2.PIXEL REPRESETATION IN RGB:

Basic RGB color model, every pixel is represented by the four bytes namely Alpha, red, green, blue Alpha: degree of transparency Red: intensity of red color Green: intensity of green color Blue: intensity of blue color
The alpha bit is used to carry the data, as it has no much importance in image representation.

1.IMAGE AS CARRIER: It is an efficient technique for steganography, An image is used as cover for hiding

Слайд 143.BANDWIDTH REDUCED TRANSMISSION:
  
If an image data takes six minutes to

transfer between two systems and a text file takes 3

minutes. One can use steganography technique in order to reduce the time taking by embedding the text in the image and the total content will be transferred in six minutes.
 
Two basic algorithms used for steganography are

Text on Image algorithm.
Image on Image algorithm.

3.BANDWIDTH REDUCED TRANSMISSION:  If an image data takes six minutes to transfer between two systems and a text

Слайд 15 
Two basic algorithms used for steganography


Text on Image algorithm.
Image on

Image algorithm.

BASIC ALGORITHMS

 Two basic algorithms used for steganographyText on Image algorithm.Image on Image algorithm.BASIC ALGORITHMS

Слайд 16Text on Image technique block diagram:
Image on Image technique block

diagram:
IMAGE FILE
TEXT ON IMAGE ALGORITHM
TEXT EMBEDDED IMAGE FILE
TEXT FILE
IMAGE

FILE

TEXT ON IMAGE ALGORITHM

TEXT EMBEDDED IMAGE FILE

IMAGE FILE

BASIC ALGORITHMS

Text on Image technique block diagram:Image on Image technique block diagram:IMAGE FILETEXT ON IMAGE ALGORITHM TEXT EMBEDDED

Слайд 17ILLUSTRATION

ILLUSTRATION

Слайд 19http://mozaiq.org/encrypt/

http://mozaiq.org/encrypt/

Слайд 20ADVANTAGES
 
Internet privacy.

Secret communication between the organizations like boarder security force

and defense organization.

Effective than that of cryptography.

Additional layer for security

than cryptography.

ADVANTAGES Internet privacy.Secret communication between the organizations like boarder security force and defense organization.Effective than that of cryptography.Additional

Слайд 21ADVANTAGES

ADVANTAGES

Слайд 22CONCLUSION

CONCLUSION

Слайд 23Thank you!

Thank you!

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