Shift Ciphers Encryption

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Last updated 9:35 PM on 2/27/26
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4 Terms

1
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Step 2

Convert the letter into the number that matches its order in the alphabet, starting from 0, and call this number X. (A = 0, B = 1, C = 2, …. , Y = 24, Z = 25)

2
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Step 3

Calculate: Y = (X + K)mod26

3
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Step 4

Convert the number Y into a letter that matches its order in the alphabet, starting from 0

4
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Step 1

Choose a number K between 0 and 26