Class ECPrivateKeySpec

All Implemented Interfaces:
KeySpec
public class ECPrivateKeySpec
extends Object
implements KeySpec

This immutable class specifies an elliptic curve private key with its associated parameters.

Since:
1.5
See Also:
KeySpec, ECParameterSpec

Constructors

Constructor Description
ECPrivateKeySpec​(BigInteger s, ECParameterSpec params)

Creates a new ECPrivateKeySpec with the specified parameter values.

Methods

Modifier and Type Method Description
ECParameterSpec getParams()

Returns the associated elliptic curve domain parameters.

BigInteger getS()

Returns the private value S.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

ECPrivateKeySpec

public ECPrivateKeySpec(BigInteger s,
                        ECParameterSpec params)

Creates a new ECPrivateKeySpec with the specified parameter values.

Parameters:
s - the private value.
params - the associated elliptic curve domain parameters.
Throws:
NullPointerException - if s or params is null.

Methods

getS

public BigInteger getS()

Returns the private value S.

Returns:
the private value S.

getParams

public ECParameterSpec getParams()

Returns the associated elliptic curve domain parameters.

Returns:
the EC domain parameters.

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https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/security/spec/ECPrivateKeySpec.html