Neo Nihilist Cipher

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Neo Nihilist Cipher

In this Cipher, instead of using Caesar Square to exchange the equivalents, we will be using Character Value or A1Z26 as our new equivalents. Same procedure as Nihilist Cipher.

E.g.

Plaintext (P): PSYCHE
Keyword (K): SOUL

          P                       K
      P (16)         -       S (19)
      S (19)         -       O (15)
      Y (25)        -       U (21)
      C (03)        -       L (12)
      H (08)       -        S (19)
      E  (05)      -        O (15)

Then add the Plaintext (P) and Keyword (K) equivalents:

P+S = 35
S+O = 34
Y+U = 46
C+L = 15
H+S = 27
E+O = 20

Then the summation of P and K will be our final Encryption!

35/34/46/15/27/20 (Encrypted Form)

Same process of decryption as Nihilist Cipher but instead of using Caesar Square as for the equivalent of Number to letters, we will just use Character Value or A1Z26.

Given Encrypted Form:

35/34/46/15/27/20

Use the Keyword Letters to know equivalent of each letter and subtract it to the Encrypted Form:

35/34/46/15/27/20
19/15/21/12/19/15 (Keyword Equivalent)

Then subtract:

35-19 = 16(P)
34-15 = 19(S)
46-21 = 25(Y)
15-12 = 03(C)
27-19 = 08(H)
20-15 = 05(E)

Decrypted Form:
16/19/25/03/08/08

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