| Stream ciphers are essentially practical adaptations of the Vernam Cipher with small keys. |
| These are people who are famous for being famous, ciphers for our fantasies, cartoon characters with extravagant lives. |
| And yet, ciphers based on one-to-one substitutions, also known as monoalphabetic ciphers, can be easily broken by frequency analysis. |
| At times, they resemble mere ciphers who are there to move the story on and no more. |
| As radio was developed, the ability of the enemy to eavesdrop on radio messages brought about the development of codes and ciphers. |
| There are, however, other families of ciphers which are based on the idea of transposing the order in which the letters are written. |
