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Steganography: Atechnique of Data Hiding


Posted Date:     Category: General    
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Hi,

There are to main techniques of Data Hiding.
1- Cryptography:
-In Cryptography we encode the data into unrecognized form by using some methods. In this technique a viewer whenever views encrypted data he can easily observed that there have been some thing done on the actual data.
2- Steganography:
-In Steganography data is embedded into some multimedia file like sound, video or images. In this technique the data is embedded into unimportant parts of the multimedia files. It does not even precept the user that there is some thing done on this data.
- The file that we want to hide is called Data File, the file in which we want to embed file is called cover file. After embedding the resultant file is called Stego File.

Applications of Steganography:
- you can use the Stego file for secret communications.
- you can send Stego file as E-mail attachment
- you can user Stego file as Web image etc.





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