Cryptographie
Niveau d'aptitude
1
An
2025
Version
06.09.2025
Autorité approbatrice
Division Nord-Américaine
1
Define cryptography and list its major applications.
2
Define the following terms:
2a
Code
2b
Cipher
2c
Steganography
2d
Plain text
2e
Key
2f
Public-key cryptography
2g
One-way function
3
Define each of the following categories of ciphers, give an example of each, and encipher your name using each technique.
3a
Transposition
3b
Polybius Square
3c
Square
3d
Substitution
3e
Polyalphabetic
4
Investigate whether each item in the list below is a code, a cipher, steganography, or a plain text message.
5
Classical cryptology is the study of codes and ciphers used in the past. Discover how the following cryptographic forms were encoded in antiquity, and try to duplicate their processes to record a message:
6
Prepare a message containing the Pathfinder Law enciphered in a Caesar cipher and indicate the key used.
7
Use steganography to write the Pathfinder Pledge.
8
Choose a cipher to encrypt a favorite Bible text and let another person decrypt it. Be sure to give that person the type of cipher and the key used.
9
Decrypt a message made by another person using the key and cipher type they used.
