7 Questions
What are the components of a cryptosystem?
Set of possible plaintexts, set of possible ciphertexts, set of possible keys
What is the purpose of the encryption function in a cryptosystem?
To encrypt the plaintext using a parameter K
What is the decryption function used for in a cryptosystem?
To decrypt the ciphertext using a parameter K
What is the key space in a cryptosystem?
The set of possible keys
What is a shift cipher?
A cipher that shifts all letters of the plaintext K positions to the right, circularly
What is a substitution cipher?
A cipher that substitutes letters in the plaintext using a substitution table
What is the purpose of cryptanalysis?
To break a cipher
Test your knowledge of classical ciphers by taking this quiz on the components of a cryptosystem. From the set of possible plaintexts to the keyspace, this quiz covers the essential elements of a cryptosystem. See if you can identify the encryption and decryption functions that ensure different messages are encrypted to different ciphertexts. This quiz is perfect for cryptography enthusiasts and anyone interested in learning more about classical ciphers.
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