ImplementationQuestion 44 of 100
Which cryptographic method uses a public and private key pair?
a.Asymmetric encryption
b.Symmetric encryption
c.Hashing
d.Salting
Explanation
Asymmetric encryption uses a mathematically linked key pair: a public key to encrypt and a private key to decrypt, or the reverse for signatures. It solves the key distribution problem of symmetric systems. RSA and elliptic curve are common examples.
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