Tool to write text as a route. Route cipher is a transposition cipher method which consists in reading letters in a text according to a predefined route/path, as a serpentine road.
Route/Path Cipher - dCode
Tag(s) : Transposition Cipher
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Path-write encryption consists of writing the text in a grid/matrix and reading it using a road/path usually in switchbacks/coils/zigzags.
Example: The text DCODEROUTE, written horizontally on a 4x3 grid reads as a serpentine column DETERCOO..UD
If the message does not fill the grid, add a character like . to end the column/row.
Decryption requires knowing the path (or at least the size of the grid) in order to write the letters of the message.
Example: The encrypted text PIN-AFD-THER on a grid of height 3 is written as
Example: The grid path reading returns PATHFINDER
The best method is to try different sizes and try to see if the beginning of the message is readable. dCode allows testing multiple possibilities automatically in order to detect the most probable.
On a grid of a given size, it is possible to write the text in the path of at least 8 (classical) ways (there are 2 possible directions for each of the 4 corners). Then reading can be a path too.
It is possible to imagine any type of path for letters, such as a spiral script. Another variant is Caesar box cipher.
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Cite as source (bibliography):
Route/Path Cipher on dCode.fr [online website], retrieved on 2023-09-23,