Multiple choice

A cryptographic system that uses different keys for encryption and decryption is said to be _____.

  1. symmetric

  2. asymmetric

  3. symantic

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Asymmetric cryptography, also called public-key cryptography, uses a pair of keys: a public key for encryption and a private key for decryption. This solves the key distribution problem inherent in symmetric systems. Symmetric systems use the same key for both operations, which requires secure key exchange.

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