Package org.jose4j.jwe

Class AesGcmContentEncryptionAlgorithm

java.lang.Object

org.jose4j.jwa.AlgorithmInfo

org.jose4j.jwe.AesGcmContentEncryptionAlgorithm

All Implemented Interfaces:

Algorithm, ContentEncryptionAlgorithm

Direct Known Subclasses:

AesGcmContentEncryptionAlgorithm.Aes128Gcm, AesGcmContentEncryptionAlgorithm.Aes192Gcm, AesGcmContentEncryptionAlgorithm.Aes256Gcm

public class AesGcmContentEncryptionAlgorithm
extends AlgorithmInfo
implements ContentEncryptionAlgorithm

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AesGcmContentEncryptionAlgorithm.Aes128Gcm
static class	AesGcmContentEncryptionAlgorithm.Aes192Gcm
static class	AesGcmContentEncryptionAlgorithm.Aes256Gcm

Field Summary

Fields

Modifier and Type	Field	Description
private ContentEncryptionKeyDescriptor	contentEncryptionKeyDescriptor
private static final int	IV_BYTE_LENGTH
private SimpleAeadCipher	simpleAeadCipher
private static final int	TAG_BYTE_LENGTH

Fields inherited from class org.jose4j.jwa.AlgorithmInfo

log

Constructor Summary

Constructors

Constructor	Description
AesGcmContentEncryptionAlgorithm(String alg, int keyBitLength)

Method Summary

Modifier and Type	Method	Description
byte[]	decrypt(ContentEncryptionParts contentEncParts, byte[] aad, byte[] contentEncryptionKey, Headers headers, ProviderContext providerContext)
ContentEncryptionParts	encrypt(byte[] plaintext, byte[] aad, byte[] contentEncryptionKey, byte[] iv, String provider)
ContentEncryptionParts	encrypt(byte[] plaintext, byte[] aad, byte[] contentEncryptionKey, Headers headers, byte[] ivOverride, ProviderContext providerContext)
ContentEncryptionKeyDescriptor	getContentEncryptionKeyDescriptor()
boolean	isAvailable()

Methods inherited from class org.jose4j.jwa.AlgorithmInfo

getAlgorithmIdentifier, getJavaAlgorithm, getKeyPersuasion, getKeyType, setAlgorithmIdentifier, setJavaAlgorithm, setKeyPersuasion, setKeyType, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jose4j.jwa.Algorithm

getAlgorithmIdentifier, getJavaAlgorithm, getKeyPersuasion, getKeyType

Field Details

IV_BYTE_LENGTH

private static final int IV_BYTE_LENGTH

See Also:

• Constant Field Values

TAG_BYTE_LENGTH

private static final int TAG_BYTE_LENGTH

See Also:

• Constant Field Values

contentEncryptionKeyDescriptor

private ContentEncryptionKeyDescriptor contentEncryptionKeyDescriptor

simpleAeadCipher

private SimpleAeadCipher simpleAeadCipher

Constructor Details

AesGcmContentEncryptionAlgorithm

public AesGcmContentEncryptionAlgorithm(String alg,
 int keyBitLength)

Method Details

getContentEncryptionKeyDescriptor

public ContentEncryptionKeyDescriptor getContentEncryptionKeyDescriptor()

Specified by:

getContentEncryptionKeyDescriptor in interface ContentEncryptionAlgorithm

encrypt

public ContentEncryptionParts encrypt(byte[] plaintext,
 byte[] aad,
 byte[] contentEncryptionKey,
 Headers headers,
 byte[] ivOverride,
 ProviderContext providerContext)
                               throws JoseException

Specified by:

encrypt in interface ContentEncryptionAlgorithm

Throws:

JoseException

encrypt

public ContentEncryptionParts encrypt(byte[] plaintext,
 byte[] aad,
 byte[] contentEncryptionKey,
 byte[] iv,
 String provider)
                               throws JoseException

Throws:

JoseException

decrypt

public byte[] decrypt(ContentEncryptionParts contentEncParts,
 byte[] aad,
 byte[] contentEncryptionKey,
 Headers headers,
 ProviderContext providerContext)
               throws JoseException

Specified by:

decrypt in interface ContentEncryptionAlgorithm

Throws:

JoseException

isAvailable

public boolean isAvailable()

Specified by:

isAvailable in interface Algorithm