- 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:
KeySpec
,ECParameterSpec
Constructor Summary
Constructors Constructor Description ECPrivateKeySpec(BigInteger s, ECParameterSpec params)
Creates a new ECPrivateKeySpec with the specified parameter values.
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ECParameterSpec
getParams()
Returns the associated elliptic curve domain parameters.BigInteger
getS()
Returns the private value S.
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
- ifs
orparams
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.