# Thread: The K1 solution

1. ## The K1 solution

The K1 ciphertext:

Code:
```EMUFPHZLRFAXYUSDJKZLDKRNSHGNFIVJ
YQTQUXQBQVYUVLLTREVJYQTMKYRDMFD```
The K1 solution:

Code:
```BETWEENSUBTLESHADINGANDTHEABSENC
EOFLIGHTLIESTHENUANCEOFIQLUSION```
"Between subtle shading and the absence of light lies the nuance of iqlusion."

The letter Q in 'iqlusion' is deliberate. It's meaning is unknown.

-Rusty

2. K1 was encrypted using a particular form of a Vigenere cipher known as Quagmire III. This is a fancy way of saying it was a Vig cipher with two keywords.

The first keyword was KRYPTOS. This part was not so hard to guess. It was the name of the statue, and the ancient greek word for hidden. Furthermore, the right hand side of the statue is more or less a large Vigenere tableau. This was a huge hint to use Vigenere in the first place. The tableau contained the keyword KRYPTOS repeated over and over many times.

The first keyword in a Quagmire III gives you the order of the alphabet for the encryption. In this case, the keyword KRYPTOS gives us the alphabet: KRYPTOSABCDEFGHIJLMNQUVWXZ. This part was not very hard, was it?

The second keyword was PALIMPSEST. A palimpsest is a manuscript written on parchment or vellum that has been scraped off and then used again. Again a word very fitting to the theme of the Kryptos statue.
Each letter in the second keyword in Quagmire III gives you the starting letter for each alphabet used in the encryption. This part is difficult to describe with words. The Realm of Twelve website (see the links topic) gives a great visual explanation for all of this.

If you know the method of encryption, solving for the keys with frequency analysis is not that difficult. In fact, there are methods for determining if an encryption is a Vigenere in the first place. But the clues where there on the statue in plain sight.

Solving this section took 9 years.

-Rusty

3. im not really into this much, but here's my two cents...
iqlusion = illusion

l=q
key later used for cryptogram? maybe? ah, :P

4. You are doing pretty well for not being into it. We know for a fact the misspelling was intentional. It follows that the intent is important.

I waver between thinking the word should be illusion or inclusion. Let's assume it is illusion.

Perhaps it goes, I->Q, IQ, Intelligence, CIA. Simply a CIA reference? Or, perhaps it is a hint as to where the secrets are hidden? Like between the darkness and the shadows.

-Rusty

5. ## New information from Sanborn

The New York Times published this handwritten table from Sanborn. It shows the original encryption tables he used for K1 and K2.

Notice he uses the letter 'C' in PALIMPCEST twice, leading to the misspelling of 'iqlusion'.

-Rusty

BETWEEN SUBTLE SHADING AND THE ABSENCE OF LIGHT LIES THE NUANCE OF IQLUSION

Find the location of E's, look back at K0 and consider how it's E's can be removed and derive the following results by palindrome method: PALIMSOT. I wonder if we reuse the method of E removal or if their placement is important. Also, note the relative equal proportion of morse characters that fall left and right of "center", that idea that follows the palindrome idea but derived from pairing the upper line of morse left and attaching the lower morse to the right of the string, such as EDIGETALEEE | INTERPRETAT, resulting in 30|30 dit-dahs. It's possible the added in E's are a simple way of balancing sides of the "equation". In this sence, what if the output of K1 along with it's E's, is seen in a similar fashion?

Using PALIMPSEST we solve K1
*1**23******4************5 | ABS | 1**2*********3***4****5**********

Now I'm not reformatting everything in morse, and clearly there's a disproportionate number of characters to the left and right, but you can see there are 10 E's all together and splitting the text to have 5 E's left and 5 E's right of the "center" demonstrates 3 characters which may be attributable to the keyword necessary for K2: ABSCI.

I'm not exactly using palindromes to produce the clues to ABSCI, but the method is an attempt to model the way the morse is being presented. I think a good way to approach this problem is to look at it visually and pick out the overall patterns at work. The pattern in the morse involved recognizing the palindromes in the words while excluding the E's. Applying some reasoning to why the E's were there in the first place might be appropriate.

7. Code:
```betweensubtleshadingandthe|abs|enceoflightliesthenuanceofiqlusion
*1**23******4************5 | abs | 1**2*********3***4****5**********```

8. Let's try that again with an image link. I'm trying to get a clean visual on how the E's are grouped to highlight the hint for the keyword to K2. Find ABS in the dictionary and see the first word. I'm assuming whichever dictionary used by Sanborn actually produced ABSCISSA when searching for the first entry using ABS.

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