Class DHPublicKeySpec

java.lang.Object

javax.crypto.spec.DHPublicKeySpec

All Implemented Interfaces:: KeySpec

public class DHPublicKeySpec 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:

Constructor Summary

Constructor	Description
`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

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

Methods declared in class Object

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

Constructor Details

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 Details

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

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https://docs.oracle.com/en/java/javase/25/docs/api/java.base/javax/crypto/spec/DHPublicKeySpec.html