Monoalphabetic Cipher Applet
Plaintext
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
Ciphertext
Generate Random Key
a=
1
3
5
7
9
11
15
17
19
21
23
25
b=
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Generate Affine Key
Encrypt Plaintext
Decrypt Ciphertext
Frequency Analysis
Clear Key
Clear All
Sort Key
Plaintext
Ciphertext