Double Transposition Cipher Tool

You must enter the message .

🔑

You must enter the encoding key .
🔑
You must enter the encoding key .
🌎
rudiment

Auto Solve Options

Min Key Length

Max Key Length
Max Results
Spacing Mode

Instructions

You can decode ( decode ) or encode ( code ) your message with your key. If you do n’t have any key, you can try to car clear ( break ) your cipher .

Settings

• Language: The language determines the letters and statistics used for decoding, encoding and auto solving.
• Min/Max Key Length: This is the search range for keys when auto solving a cipher.
• Max Results: This is the maximum number of results you will get from auto solving.
• Spacing Mode: This is about the spaces (word breaks) in the text. In most cases it should be set to Automatic. In case a specific letter (for instance X) is used as word separator, set it to Substitute.

Results

Auto Solve results

still not seeing the correct result ? then try experimenting with the Auto Solve settings or use the Cipher Identifier Tool .

Grid

Enter the key and click decode or encode to show.

Features

• The double transposition cipher is an example of transposition cipher.
• Until the VIC cipher, the double transposition cipher was considered as the most complicated cipher that an agent could operate reliably by hand.
• It can encrypt any characters, including spaces and punctuation, but security is increased if spacing and punctuation is removed.
• The message does not always fill up the whole transposition grid. The remaining of the transposition grid can then optionally be filled with a padding
  character, or left blank.
• If the same key is used for encrypting multiple messages of the same length, they can be compared and attacked using a method called “multiple anagramming”,
  finding solutions to both.

Sample Double Columnar Transposition Cipher Text

Code-breaking is not only fun, but besides a very good exercise for your mind and cognitive skills. Why preceptor ’ metric ton you try breaking this model cipher :
htdre anwac aedot dnahk liolr rtiao saaer ioooi elroh dwyha aedee wtian ndten rkerc tdtod tnmti setlm mdoni yrngs wfegt ghyer emeas yhneh sde