figure - the entire alphabet shifted by three spaces the number of spaces you shift is the key in the caesar cipher the example above shows the letter translations for the key if you encrypt the plaintext "howdywith key of thenthe "hbecomes "kthe letter "obecomes "rthe letter "wbecomes "zthe letter "dbecomes "gthe letter "ybecomes "bthe ciphertext of "hellowith key becomes "krzgbwe will keep any non-letter characters the same to decrypt "krzgbwith the key we go from the bottom boxes back to the topthe letter "kbecomes "hthe letter "rbecomes "othe letter "zbecomes "wthe letter "gbecomes "dthe letter "bbecomes "yasciiand using numbers for letters how do we implement this shifting of the letters as codewe can do this by representing each letter as number called an ordinaland then adding or subtracting from this number to form new ordinal (and new letterascii (pronounced "ask-eeand stands for american standard code for information interchangeis code that connects each character to number between and