Package org.jose4j.jwe

Class SimpleAeadCipher

java.lang.Object

org.jose4j.jwe.SimpleAeadCipher

public class SimpleAeadCipher
extends Object

1

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SimpleAeadCipher.CipherOutput

Field Summary

Fields

Modifier and Type	Field	Description
private String	algorithm
static final String	GCM_TRANSFORMATION_NAME
private int	tagByteLength

Constructor Summary

Constructors

Constructor	Description
SimpleAeadCipher(String algorithm, int tagByteLength)

Method Summary

Modifier and Type	Method	Description
byte[]	decrypt(byte[] ciphertext, byte[] tag, byte[] aad, Cipher cipher)
byte[]	decrypt(Key key, byte[] iv, byte[] ciphertext, byte[] tag, byte[] aad, String provider)
SimpleAeadCipher.CipherOutput	encrypt(Key key, byte[] iv, byte[] plaintext, byte[] aad, String provider)
Cipher	getInitialisedCipher(Key key, byte[] iv, int mode, String provider)
boolean	isAvailable(org.slf4j.Logger log, int keyByteLength, int ivByteLength, String joseAlg)
private void	updateAad(Cipher cipher, byte[] aad)

Methods inherited from class java.lang.Object

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

Field Details

GCM_TRANSFORMATION_NAME

public static final String GCM_TRANSFORMATION_NAME

See Also:

• Constant Field Values

algorithm

private String algorithm

tagByteLength

private int tagByteLength

Constructor Details

SimpleAeadCipher

public SimpleAeadCipher(String algorithm,
 int tagByteLength)

Method Details

getInitialisedCipher

public Cipher getInitialisedCipher(Key key,
 byte[] iv,
 int mode,
 String provider)
                            throws JoseException

Throws:

JoseException

encrypt

public SimpleAeadCipher.CipherOutput encrypt(Key key,
 byte[] iv,
 byte[] plaintext,
 byte[] aad,
 String provider)
                                      throws JoseException

Throws:

JoseException

updateAad

private void updateAad(Cipher cipher,
 byte[] aad)

decrypt

public byte[] decrypt(Key key,
 byte[] iv,
 byte[] ciphertext,
 byte[] tag,
 byte[] aad,
 String provider)
               throws JoseException

Throws:

JoseException

decrypt

public byte[] decrypt(byte[] ciphertext,
 byte[] tag,
 byte[] aad,
 Cipher cipher)
               throws JoseException

Throws:

JoseException

isAvailable

public boolean isAvailable(org.slf4j.Logger log,
 int keyByteLength,
 int ivByteLength,
 String joseAlg)