Difference between revisions of "Other considered possibilities"
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**At the above link, Jarlve has documented the following variations: Cardan grille variant, stacked directional transformations, spirals, double spirals, column flips, double directional transformations, rail fence, row flips, and row flips in a 20 by 17 grid. | **At the above link, Jarlve has documented the following variations: Cardan grille variant, stacked directional transformations, spirals, double spirals, column flips, double directional transformations, rail fence, row flips, and row flips in a 20 by 17 grid. | ||
*[https://www.dropbox.com/sh/xlsjup1en6evq2o/AABHmixWHW9rdbWupupSC87sa?dl=0 Heiko's transposition ideas] [http://www.zodiackillersite.com/viewtopic.php?f=81&t=3093&p=48602 (more info)] | *[https://www.dropbox.com/sh/xlsjup1en6evq2o/AABHmixWHW9rdbWupupSC87sa?dl=0 Heiko's transposition ideas] [http://www.zodiackillersite.com/viewtopic.php?f=81&t=3093&p=48602 (more info)] | ||
| + | *Word search | ||
| + | **No decryption; simply look at the symbols as is, interpret them as plaintext, and read them out following different routes and directions. | ||
Latest revision as of 05:19, 25 April 2022
- Oxcart - Does the 340 cipher's plaintext follow an "ox cart" path; that is, does it read alternately from left to right, then right to left?
- Vigenere
- Playfair
- Bifid
- Did the killer encipher the message, then re-arrange its lines?
- Many-to-many (one cipher symbol maps to multiple plaintext letters)
- Multiple encryption stages (examples: homophonic that has been rehomophoned, homophonic that has been transposed)
- Phonetic / nomenclator
- Was the cipher intended for use by its author only?
- Jarlve's tests
- At the above link, Jarlve has documented the following variations: Cardan grille variant, stacked directional transformations, spirals, double spirals, column flips, double directional transformations, rail fence, row flips, and row flips in a 20 by 17 grid.
- Heiko's transposition ideas (more info)
- Word search
- No decryption; simply look at the symbols as is, interpret them as plaintext, and read them out following different routes and directions.
