Beginner Cryptography Challenge
A quick set of questions that introduce core encryption ideas and simple code methods.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which shift value turns the plaintext 'HELLO' into the ciphertext 'KHOOR' using a Caesar cipher?
- 2
In cryptographic systems, the key that encrypts data and the key that decrypts data are the same in which type of encryption?
- 3
What is the primary security weakness of the MD5 hashing algorithm?
- 4
Which component of a public‑key pair is shared openly to allow others to encrypt messages to you?
- 5
When a website URL begins with https, which protocol layer is primarily responsible for encrypting the connection?
- 6
Which property makes a one‑time pad theoretically unbreakable?
- 7
Base64 encoding is mainly used for which purpose in data transmission?
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