Public key encryption uses multiple keys. One key is used to encrypt data,…
2025
Public key encryption uses multiple keys. One key is used to encrypt data, while another is used to decrypt data. The key used to encrypt data is called the ___ key, while the key used to decrypt data is called the ___ key.
- A.
Encryption, decryption
- B.
Encryption, public
- C.
Public, private
- D.
Private, public
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Correct answer: C
In public key encryption:
The public key is shared with everyone and is used to encrypt the data
The private key is kept secret and is used to decrypt the data
Example:
If you want to send a secure message, you encrypt it using the receiver’s public key, and only their private key can decrypt it.
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