On the Subject of Superposition CM

A machine that knows no bounds when it comes to ciphers.

From the Synapse Cipher module by Kilo Bites and VFlyer.

Create a key using the keyword on screen 1, and the Boolean Expression on screen A. This will be called the Superposition Key.

If the Submit Button is white, follow the instructions under Encrypt Instructions. Otherwise follow the instructions under Decrypt Instructions.

Encrypt Instructions

• Start from the Xth letter of the keyword on screen 3. Count how many steps it takes to reach the Xth letter of the keyword on screen 2, wrapping around if necessary.
• Count this many letters from the Xth encrypted letter in the same direction from the last step to obtain the Xth decrypted letter, wrapping around if necessary.
• If you reach the end of any of the keywords, treat it as if it wraps around to the beginning of the keyword.

Decrypt Instructions

• Start from the Xth letter of the keyword on screen 2. Count how many steps it takes to reach the Xth letter of the keyword on screen 3, wrapping around if necessary.
• Count this many letters from the Xth encrypted letter in the same direction from the last step to obtain the Xth decrypted letter, wrapping around if necessary.
• If you reach the end of any of the keywords, treat it as if it wraps around to the beginning of the keyword.

Example 1

Encrypted Word: LPQQT
Screen 2: SETUP
Screen 3: RIG
Using Encrypt Rules

K

N

O

W

A

B

C

D

E

F

G

H

I

J

L

M

P

Q

R

S

T

U

V

X

Y

Z

R → S = 1R + L → M
I → E = 4L + P → I
G → T = 10R + Q → N
R → U = 3R + Q → T
I → P = 4R + T → Y

Decrypted Word: MINTY

Example 2

Encrypted Word: EEXBGK
Screen 2: LEGAL
Screen 3: WARP
Using Decrypt Rules

D

I

P

L

O

M

A

B

C

E

F

G

H

J

K

N

Q

R

S

T

U

V

W

X

Y

Z

L → W = 7L + E → P
E → A = 3L + E → A
G → R = 6R + X → L
A → P = 4L + B → L
L → W = 7L + G → O
L → A = 3R + K → R

Decrypted Word: PALLOR