## General solution for the double transposition cipher |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Common terms and phrases

15 Figure 33 Figure 50 letters Assumption Contradiction C0 BELIZE C0 and C2 CAVALRY cipher letter cipher message columnar transposition columns wide corresponding letter Cryptanalysis cryptogram different keys digraphs double transposition cipher enciphered by means enumerate the positions Figure 29 figure 30 following message fourth plain-text letter further checks given key identical length impossible Inserting involves no contradiction letter of C2 LETTERS BEING KNOWN letters long long columns messages enciphered messages of identical number of transpositions place 13 place the beginning plain text plain.text positions Preliminary considerations read by anagramming read the message reader himself carry reconstruct the key Reconstruction of key relative positions second key second plain-text letter second transposition replaces sequence of numbers short column showing the number sixteenth SOLUTION OF MESSAGES Solve and reconstruct solve the following steps outlined Testing assumptions third letter transposition cipher system transposition rectangle trigraphs width 13