Freelancer47
commented
6 years ago - Polybius Square: involves a table that allows translating numbers to text. Might be nice to have a different format than straight A=B
| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| A | B | C | D | E |
| F | G | H | I/J | K |
| L | M | N | O | P |
| Q | R | S | T | U |
| V | W | X | Y | Z |
| Plain: | test |
|---|---|
| Cipher: | 44513444 |
Come up with more ways to decrypt messages that are solvable by human players