The Nihilist Cipher is a multiliteral, polyalphabetic
used in the Nihilist Cipher. The first step of encryption is nearly exact -
achieving a multiliteral cipher.
Clear Message: T H I S I S A S E C R E T M E S S A G E
| Coords
|
0
|
1
|
2
|
3
|
4
|
| 0
|
A
|
B
|
C
|
D
|
E
|
| 1
|
F
|
G
|
H
|
I
|
K
|
| 2
|
L
|
M
|
N
|
O
|
P
|
| 3
|
Q
|
R
|
S
|
T
|
U
|
| 4
|
V
|
W
|
X
|
Y
|
Z
|
you get the coordinates for each of the letters of the clear message:
Using a key, you encipher the alphabet by locating the plain letter to encypt
in the top column, then finding the row that begins with the key word letter,
then using the intersection of the two to locate the cipher letter.
| Clear Message
|
T
|
H
|
I
|
S
|
I
|
S
|
A
|
S
|
E
|
C
|
R
|
E
|
T
|
M
|
E
|
S
|
S
|
A
|
G
|
E
|
| Clear Coordinates
|
33
|
12
|
13
|
32
|
13
|
32
|
00
|
32
|
04
|
02
|
31
|
04
|
33
|
21
|
04
|
32
|
32
|
00
|
11
|
04
|
to add to the first part:
| Key
|
K
|
E
|
Y
|
K
|
E
|
Y
|
K
|
E
|
Y
|
K
|
E
|
Y
|
K
|
E
|
Y
|
K
|
E
|
Y
|
K
|
E
|
| Key Coordinates
|
14
|
04
|
43
|
14
|
04
|
43
|
14
|
04
|
43
|
14
|
04
|
43
|
14
|
04
|
43
|
14
|
04
|
43
|
14
|
04
|
| Clear + Key
|
47
|
16
|
56
|
45
|
17
|
75
|
14
|
36
|
47
|
16
|
35
|
47
|
47
|
25
|
47
|
46
|
36
|
43
|
25
|
08
|
Which produces a multiliteral, polyalphabetic substitution cipher.