Multiple choice

A cryptographic system that uses the same key for both encryption and decryption is said to be _____.

  1. symmetric

  2. asymmetric

  3. symantic

  4. none of these

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A Correct answer
Explanation

Symmetric cryptography uses a single secret key for both encryption and decryption. This requires both sender and receiver to securely share the key beforehand. Asymmetric cryptography uses different keys for each operation.