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The Caesar cipher with English Alphabet letters was designed to use for GenCyber summer camp participants. It was used with high school students to reinforce th
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The Caesar cipher with English Alphabet letters was designed to use for GenCyber summer camp participants. It was used with high school students to reinforce the concept of symmetric cryptography.
The following Introduction to Caesar Cipher was borrowed from the GenCyber curriculum.
Introduction to Caesar Cipher
The Caesar cipher is one of the simplest forms of cryptography. It encrypts messages by shifting the alphabet between 1 and 25. It can’t go any higher since there are only 26 letters in the alphabet.
The direction of an alphabet shift in the Caesar cipher does matter. For example, in the chart shown below, is the cipher a left shift of 3 or a right shift of 23?
Plain: ABCDEFGHIJKLMNOPQRSTUVWXYZ
Cipher: XYZABCDEFGHIJKLMNOPQRSTUVW
Both can be correct, but if you only said “a shift of