ECPrivateKeySpec (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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java.security.spec
Class ECPrivateKeySpec

java.lang.Object
  java.security.spec.ECPrivateKeySpec

All Implemented Interfaces:: KeySpec

public class ECPrivateKeySpec
extends Object
implements KeySpec
extends Object
implements KeySpec

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

Since:: 1.5
See Also:: KeySpec, ECParameterSpec

Constructor Summary

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

Method Summary

ECParameterSpec getParams()
          Returns the associated elliptic curve domain parameters.

BigInteger getS()
          Returns the private value S.

Methods inherited from class java.lang.Object

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

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

Method Summary
`ECParameterSpec`	`getParams()` Returns the associated elliptic curve domain parameters.
`BigInteger`	`getS()` Returns the private value S.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

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 Detail

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.