Perfect Secrecy
Insert a few sentences of text and watch your frequency fingerprint emerge. Notice how random shifts applied to your message absorb this unevenness. The resulting ciphertext contains no information. (Try pasting a large body of text and see what happens!)
Plaintext
+ Random Shift
Ciphertext
Plaintext Frequency
Shift Frequency
Ciphertext Frequency
To learn more, watch a video on perfect secrecy.