The Art of Steganography Mystery Cache

This cache has been archived.

TheCoddiwompler: I am regretfully archiving this cache since there's been no response from nor action by the cache owner within the time frame requested in a prior reviewer note.

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Hidden : 5/18/2013
Difficulty:
2 out of 5
Terrain:
3 out of 5

Size: Size: regular (regular)

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Geocache Description:

The cache is a 1.5L container in a camo bag.

Steganography

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 (στεγανός) meaning "covered or protected", and graphei (γραφή) meaning "writing". The first recorded use of the term was in 1499 by Johannes Trithemius in his Steganographia, a treatise on cryptography and steganography disguised as a book on magic. Generally, messages will appear to be something else: images, articles, shopping lists, or some other covertext and, classically, the hidden message may be in invisible ink between the visible lines of a private letter.
Very good.. The cache is located at S41 09.755 E174 50.404
The advantage of steganography over cryptography lone is that messages do not attract attention to themselves. Plainly visible encrypted messages—no matter how unbreakable—will arouse suspicion, and may in themselves be incriminating in countries where encryption is illegal. Therefore, whereas cryptography protects the contents of a message, steganography can be said to protect both messages and communicating parties.

Steganography includes the concealment of information within computer files. In digital steganography, electronic communications may include steganographic coding inside of a transport layer, such as a document file, image file, program or protocol. Media files are ideal for steganographic transmission because of their large size. As a simple example, a sender might start with an innocuous image file and adjust the colour of every 100th pixel to correspond to a letter in the alphabet, a change so subtle that someone not specifically looking for it is unlikely to notice it.
For more information about Steganography click here

Additional Hints (Decrypt)

[Puzzle] Va cynva fvtug [Cache] Ba gur tebhaq. Dhvgr rivqrag jura lbh trg gurer.

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)


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