ECPrivateKey (Java SE 13 & JDK 13 )
Description: declaration: module: java.base, package: java.security.interfaces, interface: ECPrivateKey
Keywords: java.security.interfaces.ECPrivateKey interface

Module java.base
Package java.security.interfaces

# Interface ECPrivateKey

All Superinterfaces:
  `Destroyable`, `ECKey`, `Key`, `PrivateKey`, `Serializable`

    public interface ECPrivateKey
    extends PrivateKey, ECKey

The interface to an elliptic curve (EC) private key.

Since:
  1.5
See Also:
  `PrivateKey`, `ECKey`

- ## Field Summary

  Fields
  Modifier and Type | Field | Description
  --- | --- | ---
  `static long` | `serialVersionUID` | Deprecated. A `serialVersionUID` field in an interface is ineffectual.

- ## Method Summary

  Modifier and Type | Method | Description
  --- | --- | ---
  `BigInteger` | `getS()` | Returns the private value S.

  ### Methods declared in interface javax.security.auth.Destroyable

  `destroy, isDestroyed`

  ### Methods declared in interface java.security.interfaces.ECKey

  `getParams`

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

  `getAlgorithm, getEncoded, getFormat`

- ## Field Details

  - ### serialVersionUID

    @Deprecated static final long serialVersionUID
    Deprecated.
    A `serialVersionUID` field in an interface is ineffectual. Do not use; no replacement.
    The class fingerprint that is set to indicate serialization compatibility.
    See Also:
      Constant Field Values

- ## Method Details

  - ### getS

    BigInteger getS()
    Returns the private value S.
    Returns:
      the private value S.