classical cipher
C17363
concept
A classical cipher is an encryption method that transforms plaintext into ciphertext using simple, typically manual operations such as substitution or transposition, often based on a secret key.
All labels observed (9)
| Label | Occurrences |
|---|---|
| cipher machine | 3 |
| classical cipher canonical | 3 |
| cipher | 2 |
| polyalphabetic substitution cipher | 2 |
| cipher device | 1 |
| manual encryption technique | 1 |
| polygraphic substitution cipher | 1 |
| polyalphabetic substitution aid | 1 |
| tabular cipher device | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: classical cipher
Generated description
A classical cipher is an encryption method that transforms plaintext into ciphertext using simple, typically manual operations such as substitution or transposition, often based on a secret key.
Instances (10)
| Instance | Via concept surface |
|---|---|
| Enigma machine | cipher machine |
| Lorenz cipher | cipher machine |
| Tunny cipher | cipher |
| Albam | — |
| Atbash | — |
| Alberti cipher disk | cipher device |
|
de Vigenère
surface form:
Vigenère cipher
|
polyalphabetic substitution cipher |
| Vigenère table | tabular cipher device |
| Playfair cipher | cipher |
| German naval Enigma | cipher machine |