On the Subject of Vigenère Cipher

Julius Caesar's little brother...by about 1600 years...

  • Take the first letter of the serial and the first letter of the code on the module, and translate them into numbers according to the Encryption Table below.
  • Add the two numbers together, and turn them back into a letter with the same table. If the numbers add up to something above 35, then subtract 36 until the output is in the table.
  • Repeat for the second letter of the code and the second letter of the serial, etc.

Encryption Table

A 8 S 21
B 0 T 25
C 16 U 26
D 12 V 34
E 5 W 17
F 11 X 35
G 10 Y 20
H 13 Z 24
I 28 0 7
J 22 1 29
K 32 2 23
L 6 3 31
M 18 4 1
N 30 5 2
O 14 6 9
P 3 7 33
Q 19 8 15
R 4 9 27