| Answer | Crossword Clue |
|---|---|
| DECODE | Crack a cipher |
| DECODE | Read a cipher |
| DECODE | Solve a cipher |
| DECODE | Solve a cipher. |
| ENCODE | Construct a cipher |
| DECODE | Break a cipher |
| ENCODE | Use a cipher |
| DECODE | Solve, as a cipher |
| ENCODE | Cipher, as a message |
| KEY | A cipher needs one |
| ENCODED | Put into a cipher. |
| ENCODE | Put into a cipher |
| CODED | Used a substitution cipher, perhaps |
| WRGFOZJO | Making a mark on a "C" in cipher (8) |
