AsymmetricKey (Java SE 23 & JDK 23)
Description: declaration: module: java.base, package: java.security, interface: AsymmetricKey
Keywords: java.security.AsymmetricKey interface

# Interface AsymmetricKey

All Superinterfaces:
  `Key`, `Serializable`

All Known Subinterfaces:
  `DHPrivateKey`, `DHPublicKey`, `DSAPrivateKey`, `DSAPublicKey`, `ECPrivateKey`, `ECPublicKey`, `EdECPrivateKey`, `EdECPublicKey`, `PrivateKey`, `PublicKey`, `RSAMultiPrimePrivateCrtKey`, `RSAPrivateCrtKey`, `RSAPrivateKey`, `RSAPublicKey`, `XECPrivateKey`, `XECPublicKey`

public interface AsymmetricKey extends Key
An asymmetric key, which can be either a public key or a private key. This interface contains methods that are common to either a public key or a private key.

Since:
  22

- ## Field Summary

  ### Fields declared in interface java.security.Key

  `serialVersionUID`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `default AlgorithmParameterSpec`
  `getParams()`
  Returns the parameters associated with this key.

  ### Methods declared in interface java.security.Key

  `getAlgorithm, getEncoded, getFormat`

- ## Method Details

  - ### getParams

    default AlgorithmParameterSpec getParams()
    Returns the parameters associated with this key. The parameters are optional and may be either explicitly specified or implicitly created during key pair generation.
    Implementation Requirements:
      The default implementation returns `null`.
    Returns:
      the associated parameters, may be `null`