23-12-2010, 11:16 AM
Prepared by:IMRAN KHAN
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What is steganography ?
Steganography is the branch of science .it is used for writing hidden messages in such a way that no one can able to read the message only the sender and receiver can read.
Steganography Terms
Carrier File – A file which has hidden information inside of it.
Steganalysis – The process of detecting hidden information inside of a file.
Stego-Medium – The medium in which the information is hidden.
Steganography – Modern Day
Steganography – Carrier Files
TYPE OF STEGNOGRAPHY
SECRET MESSAGE IS HIDDEN IN DIFFERENT FORM..
Steganography In Images
Steganography In Audio
Steganography In Video
Steganography In Documents
A steganograhy System
What is stegnograpy tool ?
With the help of stenography tool .we can see the hidden message inside the picture ,audio,documents etc.
Steganography Tools
Steganography Tools
Steganos
S-Tools (GIF, JPEG)
StegHide (WAV, BMP)
Invisible Secrets (JPEG)
JPHide
Camouflage
Hiderman
Many others…
Steganalysis
Identification of hidden files
Steganalysis
By identifying the existence of a hidden message, perhaps we can identify the tools used to hide it.
If we identify the tool, perhaps we can use that tool to extract the original message.