What

The word steganography is derived from greek and means "coverted writing", from stegein: to cover... the same root as in Stegosaur, a quadrupedal, herbivorous ornithiscian dinosauar of Jurassic films celebrity and early Cretaceous times, well known for being quite 'covered' through an armor of triangular bony plates on his back spine.

Steganography is the art (and science) of communicating hiding THE EXISTENCE of communication, in contrast with cryptography. Ideally, your enemies, or those you are fighting against, or even your friends, should not even imagine that there IS a message concealed somewhere.
This very characteristic makes steganography the IDEAL science for hiding messages on the web, which is flooded by noise: non-significant data. Your whole passwords and everything you need can without any problem be hidden inside three or four 'fake' pages you'll have uploaded somewhere, with images like 'my sister Sally and her favourite banana fishes' or whatever.
You will download all fake images from the web (web homepages are a never ending source of incredibly dull lifes and fotographies :-), you will MODIFY them (the greatest risk for steganography is the confrontration between the 'original' image, without concealed message, and the 'steganated' image which contains a message, of course), and only after these modifications you will hide your concealed message inside them with one of the many programs ad hoc.

Basically, using steganography, you can smuggle ("embed") any file, or set of files inside a format ("cover" or "container") which leaves the smuggled data untraceable and unreadable ("stego": the final data containing both the cover noise and the embedded signal). .......

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Enjoy!

Uls.

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very good post!steganography is parted to 2 words stenos(whick means short) and
grafo(which means write).so in very free way at greek language steganography means short writing wich resulted to coverted writing.

Akis - forgive the correction, but I believe the term steganography comes from the Greek steganos , meaning covered or secret, and graphy , meaning writing or drawing. Therefore, steganography literally means covered writing. Stenos(short) is probably the work origin for stenography.

Some Stego Links:
http://www.jjtc.com/Security/stegtools.htm

oups!sorry!for a greek guy like me that mistake is unforgiven!sorry for any confusions that i made.thnx for the add leeloo

de nada : )

what do u normally use stenography for ( i mean with encrypting files and so.. ) ?

secret hacking or what ?

Well a simple example is when you hide a text in a picture file!the picture is still .jpg format and you can see it as a normal picture but it also hide a file like a txt.

you can choose any fileformat to hide information in, but most of the time pictures or sounds are used, as they are quite random (like your encrypted body) themselves, so it will be a lot harder to detect, but i have knowledge of some researchers that are using this randomness (lack of repeating parts, ...) to scan for hidden messages, and derive the original message out of them afterwards

Just thought I should put up a link.
I hope this is allowed? Sorry if it isn't

http://nohosting.nl/~rappie/index.php?actie=info&download_id=377

Steganos Security Suite 6 pro allow you to hide files into pictures and I think mp3s also. It also includes a safe for multiple file encryption (virtual drives), internet trace destruction, a portable safe, a password manager and single file encryption.

Sorry about that.
Rappie Downloads

thanks man

ooh that program hides things in mp3s too? That sounds really cool. Do the mp3s still work and do they sound any different?

is there away to crack it? i mean to get stuff out of a pic with out a password?

There must be a way to do that, by cracking the algorithm

hmm i applied the crack for that download n stuff..n it didnt work..did it work for anybody?


***EDIT***

i found a link that has a cerial for it

http://www.cracks.am/d.x/Steganos_Security_Suite_v6.0.zip

This is a interesting site for use in a hidinging in the open concept:

http://snarkles.net/scripts/sneak/sneak.php

You use the site for coding and decoding msg. and transport the msg in a transparent layer of a multilayered pic or one of the other methods already mentioned.

sometimes people use 128 -bit encyrption and that will take some time