Compare unknown cipher against ACA cipher types



Directions: Type or paste unknown cipher into cipher box. Click on Compare button. Results appear in Stats box.

Stats abbrevations:
len = length. IC = Index of Coincidence times 1000. MIC = max IC for periods 1-15, times 1000.
MKA = max kappa for periods 1-15, times 1000. DIC = Digraphic Index of Coincidence, times 10000.
EDI = DIC for even numbered pairs, times 10000. LR = Long Repeat (percentage of 3 symbol repeats).
ROD = percentage of odd-spaced repeats to all repeats. LDI = average English log digraph score.
SDD = average English single letter - digraph discrepancy score.