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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

java.security.spec
Class ECPrivateKeySpec

java.lang.Object
  extended by 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:
KeySpec, ECParameterSpec

Constructor Summary
Constructor and Description
ECPrivateKeySpec(BigInteger s, ECParameterSpec params)
          Creates a new ECPrivateKeySpec with the specified parameter values.
 
Method Summary
Modifier and Type Method and Description
 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.

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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DRAFT ea-b118

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