Steganography essay

Instead, by far his most successful and famous story was one little-known today: The Gold-Bug was the first work of fiction to incorporate cryptography into the plot. In fact, the very word cryptograph was invented by Poe and used for the first time in this story. It inspired future cryptologists for generations to come including William F.

Steganography essay

Wikipedia mentions media citations that al-Queada operatives send encrypted files over an auction site on the Internet, as a means of exchanging plans for the next terror attack Alarming, as it may seem, steganography is an effective security tool, when used properly.

This paper is a concise narration on the evolving technology of steganography. Steganography is the art and science of disguising information with the intent of hiding it from the unintended receiver.

In a way, it is a form of encryption, because it hides the true information from the unintended recipient, but differs from it because the intention of steganography is to hide the presence of information itself, while the cryptographer merely limits the access, without hiding the fact that the information is present.

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In steganography, information appears to be something other than what is obvious to the innocent receiver. Origin and History of Methods The technology has been existent since the s, although the term is not as widely held.

Nevertheless, the intended use of steganography dates back to ancient Greece, when secret messages were written on wooden tablets covered with wax or tattooed on shaved heads of slaves that later on grew hair to hide the message Petitcolas, In the course of WW2, messages traversed enemy lines disguised in two-colored knitting yarn carrying a Morse code pattern.

Newspaper articles were written on top of invisible ink, or typeset in a specified order of microdots Petitcolas, Throughout history, the methods used for steganography followed the communication technology of the era. During the birth of the World Wide Web, various modern methods of the trade rapidly arose.

Firstly, watermarking became a means of inserting a personal copyright on shared material.

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Image files store watermark in pixels that can be altered without affecting the overall image. By doing so in a specific order creates a hidden image or message within the picture. The bigger the file, the more LSB can be modified to hide information. In the same approach, audio files, which are typically large, hide data in uncompressed portions of the file.

Amplification reveals hidden information in noise Steganography, Secondly, when the order of data is created in an otherwise disordered data, this is a form of steganography.

Doing so will not change the information contained in the page, but only the order of the information, and can be used as an indicator of a private message. Lastly, the use of cipher text is the simplest yet expansive method of steganography. When put to productive use, steganography is an effective tool to protect copyright.

Furthermore, it is also an effective tool in limiting information only to those that need to know. Steganography is crucial when the security of a nation is being considered.

Steganography essay

However, there are elements that can abuse the technology. To combat such, steganalysis is a method used as countermeasure Artz,p. Choose Type of service.The Gold-Bug was Edgar Allan Poe's most successful story and introduced the science of cryptanalysis to the world.

So why haven't more people read it? In the manga Death Note, the protagonist Light Yagami is given the supernatural weapon Death Note which can kill anyone on demand, and begins using it to reshape the world.

The genius detective L attempts to track him down with analysis and trickery, and ultimately succeeds. Death Note is almost a thought-experiment-given the perfect murder weapon, how can you screw up anyway? More Essay Examples on Terrorism Rubric.

In fact, even the FBI report did not mention the word, “steganography,” but referred to the evidences as a form of encryption (). Peer-to-Peer and social network systems. One of the seminal papers in peer-to-peer systems was The Eternity Service, which I presented at Pragocrypt I had been alarmed by the Scientologists' success at closing down the penet remailer in Finland; the modern era only started once the printing press enabled seditious thoughts to be spread too widely to ban.

In the traditional architecture there existed only the server and the client. In most cases the server was only a data base server that can only offer data. Therefore majority of the business logic i.e., validations etc.

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The Importance of Understanding Steganography | Essay Example