From the Fall 2020 Issue

THE LAST WORD IN ENCRYPTION 101

Greg Wright
Owner | Wright Engineering

One of the oldest ciphers is known as the Caesar cipher. The way it works is to assign a number to every letter in the alphabet. In other words, this method assigns the numbers 1 through 26 to the letters A through Z. The encryption method works by taking the source text and offsetting it by a fixed number from 1 to 25 using the numbered alphabet. For example the word “the” would translate to “ymj” if the offset was 5. The message can be decrypted by reversing the process. The disadvantage of this encryption method is that it . . .

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