Skip to content

Koodataanko? Mystery Cache

Hidden : 9/23/2018
Difficulty:
3 out of 5
Terrain:
2 out of 5

Size: Size:   micro (micro)

Join now to view geocache location details. It's free!

Watch

How Geocaching Works

Please note Use of geocaching.com services is subject to the terms and conditions in our disclaimer.

Geocache Description:


Kätkön bogus-koordinaatteihin ei tarvitse mennä, oletettavasti sieltä ei löydy mitään kätköön liittyvää. Ratkaise mysteeri ja saat koordinaatit. There is no need to visit the bogus coordinates just solve the mystery to get the final coordinates.
(defconstant +encrypted+ "WIBHYUTFGCNNRFVGZVWCRHOSZISBXDDLOOJVKMJDCQYTFWCHWGXZYIIVSZWTOCFSKYZ")
(defconstant +base+ (+ (* 2 30) 5))
(defconstant +key+ "PSILCROKUJ")
(defparameter +indx+ (- (length +key+) 1))

(defun pos (item)
  (- (char-int item) +base+))

(defun get-key ()
  (let ((key (char +key+ +indx+)))
    (setf +indx+ (- +indx+ 1))
    (when (< +indx+ 0)
      (setf +indx+ (- (length +key+) 1)))
    (pos key)))

(defun decode (item)
  (code-char (+ (mod (- (pos item) (get-key))(+ (* 4 6) 2)) +base+)))

(defun decrypt-str (encr)
  (map 'string #'decode encr))


OMA KYNÄ MUKAAN (BRING YOUR OWN PEN)!

Additional Hints (Decrypt)

Xhhfv

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)