Package org.jose4j.jwe.kdf

Class KdfUtil

java.lang.Object

org.jose4j.jwe.kdf.KdfUtil

public class KdfUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private Base64Url	base64Url
private ConcatenationKeyDerivationFunctionWithSha256	kdf

Constructor Summary

Constructors

Constructor	Description
KdfUtil()
KdfUtil(String provider)

Method Summary

Modifier and Type	Method	Description
(package private) byte[]	getDatalenDataFormat(String encodedValue)
byte[]	kdf(byte[] sharedSecret, int keydatalen, String algorithmId, String partyUInfo, String partyVInfo)
(package private) byte[]	prependDatalen(byte[] data)

Methods inherited from class java.lang.Object

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

Field Details

base64Url

private Base64Url base64Url

kdf

private ConcatenationKeyDerivationFunctionWithSha256 kdf

Constructor Details

KdfUtil

public KdfUtil()

KdfUtil

public KdfUtil(String provider)

Method Details

kdf

public byte[] kdf(byte[] sharedSecret,
 int keydatalen,
 String algorithmId,
 String partyUInfo,
 String partyVInfo)

prependDatalen

byte[] prependDatalen(byte[] data)

getDatalenDataFormat

byte[] getDatalenDataFormat(String encodedValue)