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Published: Sat, March 18, 2017
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Sturk - written in most popular ciphers: caesar cipher, atbash, polybius square, affine cipher, baconian cipher, bifid cipher, rot13, permutation cipher


Caesar cipher Caesar cipher, is one of the simplest and most widely known encryption techniques. The transformation can be represented by aligning two alphabets, the cipher alphabet is the plain alphabet rotated left or right by some number of positions. When encrypting, the person looks up each letter of the message in the 'plain' line and writes down the corresponding letter in the 'cipher' line. Deciphering is done in reverse.
The encryption can also be represented using modular arithmetic by first transforming the letters into numbers, according to the scheme, A = 0, B = 1, ..., Z = 25. Encryption of a letter x by a shift n Can be described mathematically as

cipher variations:

tuvsl uvwtm

P> vwxun

wxyvo

xyzwp

yzaxq

zabyr

Bcdat

cdebu

defcv

efgdw

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fghex ghand

/ P>

ijkha

jklib

klmjc

lmnkd

mnole

> Pqroh

qrspi

rstqj

Decryption is performed similarly,

(There are different definitions for the modulo operation In the above, the result is in the range 0 ... 25. Ie, if x + n or xn are not in the range 0 ... 25, we have to subtract or add 26.)
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Atbash Cipher Atbash is an ancient encryption system created in the Middle East. It was originally used in the Hebrew language. The Atbash cipher is a simple substitution cipher that relies on transposing all letters in the alphabet such that the resulting alphabet is backwards. The first letter is replaced with the last letter, the second with the second-last, and so on. An example plaintext to ciphertext using Atbash: Plain:

Plain

sturk

Cipher:

hgfip

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