DHPublicKeySpec (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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javax.crypto.spec
Class DHPublicKeySpec

java.lang.Object
  javax.crypto.spec.DHPublicKeySpec

All Implemented Interfaces:: KeySpec

public class DHPublicKeySpec
extends Object
implements KeySpec
extends Object
implements KeySpec

This class specifies a Diffie-Hellman public key with its associated parameters.

Note that this class does not perform any validation on specified parameters. Thus, the specified values are returned directly even if they are null.

Since:: 1.4
See Also:: DHPrivateKeySpec

Constructor Summary

DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)
          Constructor that takes a public value y, a prime modulus p, and a base generator g.

Method Summary

BigInteger getG()
          Returns the base generator g.

BigInteger getP()
          Returns the prime modulus p.

BigInteger getY()
          Returns the public value y.

Methods inherited from class java.lang.Object

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

Constructor Summary
`DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)` Constructor that takes a public value `y`, a prime modulus `p`, and a base generator `g`.

Method Summary
`BigInteger`	`getG()` Returns the base generator `g`.
`BigInteger`	`getP()` Returns the prime modulus `p`.
`BigInteger`	`getY()` Returns the public value `y`.

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

Constructor Detail

DHPublicKeySpec

public DHPublicKeySpec(BigInteger y,
                       BigInteger p,
                       BigInteger g)

Constructor that takes a public value y, a prime modulus p, and a base generator g.

Parameters:: y - public value y; p - prime modulus p; g - base generator g

Method Detail

getY

public BigInteger getY()

Returns the public value y.

Returns:: the public value y

getP

public BigInteger getP()

Returns the prime modulus p.

Returns:: the prime modulus p

getG

public BigInteger getG()

Returns the base generator g.

Returns:: the base generator g