Class HKDFParameterSpec.Expand

java.lang.Object

javax.crypto.spec.HKDFParameterSpec.Expand

All Implemented Interfaces:

AlgorithmParameterSpec, HKDFParameterSpecPREVIEW

Enclosing interface:

HKDFParameterSpecPREVIEW

public static final class HKDFParameterSpec.Expand
extends Object
implements HKDFParameterSpecPREVIEW

Expand is a preview API of the Java platform.

Programs can only use Expand when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Defines the input parameters of an Expand operation as defined in RFC 5869.

Since:

24

Nested Class Summary

Nested classes/interfaces declared in interface javax.crypto.spec.HKDFParameterSpec^PREVIEW

HKDFParameterSpec.BuilderPREVIEW, HKDFParameterSpec.ExpandPREVIEW, HKDFParameterSpec.ExtractPREVIEW, HKDFParameterSpec.ExtractThenExpandPREVIEW

Method Summary

Modifier and Type	Method	Description
byte[]	info()	Returns the optional context and application specific information.
int	length()	Returns the length of the output keying material.
SecretKey	prk()	Returns the pseudorandom key (PRK).

Methods declared in class java.lang.Object

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

Method Details

prk

public SecretKey prk()

Returns the pseudorandom key (PRK).

Returns:

the pseudorandom key

info

public byte[] info()

Returns the optional context and application specific information.

Returns:

a clone of the optional context and application specific information, or null if not specified

length

public int length()

Returns the length of the output keying material.

Returns:

the length of the output keying material