Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class DSAPublicKeySpec - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.security.spec
Class DSAPublicKeySpec

java.lang.Object
  |
  +--java.security.spec.DSAPublicKeySpec

public class DSAPublicKeySpec
extends Object
implements KeySpec

This class specifies a DSA public key with its associated parameters.

Since:: JDK1.2
See Also:: Key, KeyFactory, KeySpec, DSAPrivateKeySpec, X509EncodedKeySpec

Constructor Summary

DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q, BigInteger g)
          Creates a new DSAPublicKeySpec with the specified parameter values.

Method Summary

BigInteger getG()
          Returns the base g.

BigInteger getP()
          Returns the prime p.

BigInteger getQ()
          Returns the sub-prime q.

BigInteger getY()
          Returns the public key y.

Methods inherited from class java.lang.Object

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

Constructor Detail

DSAPublicKeySpec

public DSAPublicKeySpec(BigInteger y,
                        BigInteger p,
                        BigInteger q,
                        BigInteger g)

Creates a new DSAPublicKeySpec with the specified parameter values.

Parameters:: y - the public key.; p - the prime.; q - the sub-prime.; g - the base.

Method Detail

getY

public BigInteger getY()

Returns the public key y.

Returns:: the public key y.

getP

public BigInteger getP()

Returns the prime p.

Returns:: the prime p.

getQ

public BigInteger getQ()

Returns the sub-prime q.

Returns:: the sub-prime q.

getG

public BigInteger getG()

Returns the base g.

Returns:: the base g.