What keys make asymmetric cryptography asymmetric?

It uses a related public and private key pair.

Start playing free

  1. Two unrelated passwords
  2. A public and private key ✔
  3. One shared secret key

Why: The two related keys perform complementary operations. The public key may be shared, while the private key must remain controlled by its owner.

Huh, didn't know that: Deriving the private key from the public key must be computationally infeasible.

The dad joke
The public key greeted everyone, while the private key stayed backstage.
Like this card?
Play the game

References

Answer: A public and private key. The two related keys perform complementary operations. The public key may be shared, while the private key must remain controlled by its owner.

  1. NIST CSRC Asymmetric Key Glossary csrc.nist.gov/glossary/term/assymetric_key
    Two related cryptographic keys comprised of a public key and a private key that are used to perform complementary operations
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game