Package net.randombit.botan.seckey.aead

Class BotanAeadCipher

java.lang.Object

javax.crypto.CipherSpi

net.randombit.botan.seckey.BotanBaseAsymmetricCipher

net.randombit.botan.seckey.block.BotanBlockCipher

net.randombit.botan.seckey.aead.BotanAeadCipher

Direct Known Subclasses:

BotanAeadCipher.AesCcm, BotanAeadCipher.AesEax, BotanAeadCipher.AesGcm, BotanAeadCipher.AesOcb, BotanAeadCipher.AesSiv

public abstract class BotanAeadCipher
extends BotanBlockCipher

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	BotanAeadCipher.AesCcm
static final class	BotanAeadCipher.AesEax
static final class	BotanAeadCipher.AesGcm
static final class	BotanAeadCipher.AesOcb
static final class	BotanAeadCipher.AesSiv

Nested classes/interfaces inherited from class net.randombit.botan.seckey.block.BotanBlockCipher

BotanBlockCipher.AesCbc, BotanBlockCipher.AesCfb, BotanBlockCipher.DesCbc, BotanBlockCipher.DesCfb, BotanBlockCipher.DesEdeCbc, BotanBlockCipher.DesEdeCfb

Field Summary

Fields inherited from class net.randombit.botan.seckey.block.BotanBlockCipher

buffer, cipherMode, padding, updateGranularity

Fields inherited from class net.randombit.botan.seckey.BotanBaseAsymmetricCipher

cipherRef, iv, mode, name

Method Summary

Modifier and Type	Method	Description
protected byte[]	doCipher(byte[] input, int outputLength, int botanFlag)
protected byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
protected int	engineGetOutputSize(int inputLen)
protected void	engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
protected void	engineReset()
protected void	engineUpdateAAD(byte[] src, int offset, int len)
protected boolean	requiresDataBlockAligned()	Whether the operation modes requires data block aligned or not.

Methods inherited from class net.randombit.botan.seckey.block.BotanBlockCipher

engineGetBlockSize, engineInit, engineSetPadding, engineUpdate, isValidNonceLength

Methods inherited from class net.randombit.botan.seckey.BotanBaseAsymmetricCipher

clone, engineDoFinal, engineGetIV, engineGetParameters, engineInit, engineSetMode, engineUpdate, getBotanCipherName, isDecrypting

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineGetKeySize, engineUnwrap, engineUpdate, engineUpdateAAD, engineWrap

Methods inherited from class java.lang.Object

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

Method Details

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Overrides:

engineGetOutputSize in class BotanBlockCipher

requiresDataBlockAligned

protected boolean requiresDataBlockAligned()

Description copied from class: BotanBlockCipher

Whether the operation modes requires data block aligned or not.

Specified by:

requiresDataBlockAligned in class BotanBlockCipher

Returns:

true if data must be block size aligned, false otherwise.

engineInit

protected void engineInit(int opmode,
 Key key,
 AlgorithmParameterSpec params,
 SecureRandom random)
                   throws InvalidKeyException,
InvalidAlgorithmParameterException

Overrides:

engineInit in class BotanBaseAsymmetricCipher

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineUpdateAAD

protected void engineUpdateAAD(byte[] src,
 int offset,
 int len)

Overrides:

engineUpdateAAD in class CipherSpi

engineDoFinal

protected byte[] engineDoFinal(byte[] input,
 int inputOffset,
 int inputLen)

Overrides:

engineDoFinal in class BotanBlockCipher

doCipher

protected byte[] doCipher(byte[] input,
 int outputLength,
 int botanFlag)

Overrides:

doCipher in class BotanBaseAsymmetricCipher

engineReset

protected void engineReset()

Overrides:

engineReset in class BotanBlockCipher