Cryptography / Classic ciphers
Lesson 1 of 25
What cryptography is
Cryptography protects information so only the right people can read it or trust it. It gives us confidentiality, integrity, authentication and non-repudiation.
Key points
- Plaintext: the readable message
- Ciphertext: the scrambled version
- Key: the secret that controls the scrambling
Quiz · +10 XP
What is ciphertext?
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