7 • Ceasar Shift / Gronsfeld Cipher

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Type: Substitution

> ceasar cipher or gronsfeld cipher is a type of encryption to which associated a shift of a fixed number of a letter (towards left or right). Each letter is then relaced by that obtained after performing the shift.
(Note: encoding or decoding depends on the number of shift)



Encrypt-shift forward

Decrypt-shift backward



Example:

Shift: 3



1.)LOVE

encrypted=ORYH
decrypted=ILSB



2.) JUHDW
encrypted=MXKGZ
decrypted=GREAT

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