1. ## Stego

"I used a bit of stego when designing the fourth part of Kryptos."
-Ed Scheidt - Director of the CIA at the time of the commision

Masking - to hide frequency analysis attacks and such--

http://en.wikipedia.org/wiki/Steganography

A steganographic message (the plaintext) is often first encrypted by some traditional means, and then a covertext is modified in some way to contain the encrypted message (ciphertext), resulting in stegotext. For example, the letter size, spacing, typeface, or other characteristics of a covertext can be manipulated to carry the hidden message; only the recipient (who must know the technique used) can recover the message and then decrypt it.
What do we know about the spacing of k4?

2. I remember reading a quote from Scheidt as saying he made sure the English was effectively hidden in K4. Can you deal with that!

-Rusty

3. umm, what does that mean?

wilhouse

4. if I understand the stego quote correctly, it means that you can't decode the passage just using the letters?

wilhouse

5. So visually it is said that an obvious clue has not ever been discovered. If the coordinates take you to a place some many yards away from the actual krytos artwork site, and given that the letters are hollow or cut-out, and given there are objects(i.e. petrified wood tree standing tall, rock, felled pet. tree etc) then could it be said that the color of the "tree" seen through the letters from a specific spot reveals the actual letters to be used in the ciphertext for K4, and you work from there...

On On

Domino

6. It can mean many things---one thing we can be sure of it that the letters we see there are probably not the letters used

7. I tend to think that subtleties like looking through the letters from particular angles is not involved in the solution. Sanborn made two other copies of Kryptos, one in a DC museum, and one for a private collection. These copies are not exactly the same as Kryptos. The letter spacing is different. The order of K1 thru K4 is different. I think there are a few differences in the misspellings in some of the decrypts.

Sanborn has said, I think, that everything you need to solve K4 is on those statues as well.

The one visual clue he did confirm as being important was the raised letters in the DYAHR line.

-Rusty

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