Playfair Cipher

Coordinates:

Key:

Shared letters:

Rumkin double: Encode double letters (down and right one spot) (Rumkin special!)

PC double: Replace second letter in a pair with X instead of splitting (Practical Cryptography special)

Text analysis functions:

Split count:

Split with:

If Other (enter split char)

Key cracking by Hill Climbing with Simulated Annealing

Loops for Hill Climbing:

Crib:

Crack with word list:

Select to try cracking the key by pasting a wordlist into the key box

Execution time: Input text length:

Playfair Cipher Toggle working text