Class ECPrivateKeySpec

java.lang.Object

java.security.spec.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:

Constructor Summary

Constructor	Description
`ECPrivateKeySpec(BigInteger s, ECParameterSpec params)`	Creates a new ECPrivateKeySpec with the specified parameter values.

Method Summary

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 Object

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

Constructor Details

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.

Method Details

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/25/docs/api/java.base/java/security/spec/ECPrivateKeySpec.html