Public key encryption to do keying is extremely vast.

Name: Public key encryption to do keying is extremely vast.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Public key encryption, also known as asymmetric encryption, uses a pair of keys (a public key and a private key) for encryption and decryption, which is a well-defined and widely used method, but not described as "extremely vast" in terms of keying. It's a specific approach to encryption rather than an extensive or undefined range of methods.

Public Key Encryption to Do Keying Is Extremely Vast