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. The word steganography is of Greek origin and means “concealed writing” from the Greek words steganos meaning “covered or protected”, and graphei meaning “writing”.
Let us see how we can do simple steganography if you wanna hide a secret note for ur secret buddies.Also can share some files hiding in JPEG image file.
Technical funda behind it is we can merge two file contents by in JPEG by copying contents of one file to another in BINARY format.Few commands in command prompt will do it.
To hide your text message in image type this command line:
copy /b filename1.jpg+filename2.txt steganimage.jpg
To hide Zip file contents in image this is command to be used:
copy /b filename1.jpg+filename2.zip steganimage1.jpg
Note: While opening file Use ‘Open with’ option and open with ‘Notepad’ and ‘Win Zip’ 0r ‘WinRar’ .
Check this :
copy /b original.jpg+wtut_ver.zip final_Winzip.jpg
NOTE: You should be in directory where the image files and zip files are located
Very Happy friendship day..:)