|
Java™ Platform Standard Ed. 6 |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Objectjava.security.spec.ECParameterSpec
public class ECParameterSpec
This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC).
AlgorithmParameterSpec| Constructor Summary | |
|---|---|
ECParameterSpec(EllipticCurve curve,
ECPoint g,
BigInteger n,
int h)
Creates elliptic curve domain parameters based on the specified values. |
|
| Method Summary | |
|---|---|
int |
getCofactor()
Returns the cofactor. |
EllipticCurve |
getCurve()
Returns the elliptic curve that this parameter defines. |
ECPoint |
getGenerator()
Returns the generator which is also known as the base point. |
BigInteger |
getOrder()
Returns the order of the generator. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ECParameterSpec(EllipticCurve curve,
ECPoint g,
BigInteger n,
int h)
curve - the elliptic curve which this parameter
defines.g - the generator which is also known as the base point.n - the order of the generator g.h - the cofactor.
NullPointerException - if curve,
g, or n is null.
IllegalArgumentException - if n
or h is not positive.| Method Detail |
|---|
public EllipticCurve getCurve()
public ECPoint getGenerator()
public BigInteger getOrder()
public int getCofactor()
|
Java™ Platform Standard Ed. 6 |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
Copyright © 1993, 2010, Oracle and/or its affiliates. All rights reserved.