Java javax.crypto Cipher fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for javax.crypto Cipher.

The text is from its open source code.

Subclass

javax.crypto.Cipher has subclasses.
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Implementation

javax.crypto.Cipher has the following implementations.
Click this link to see all its implementation.

Field

int	ENCRYPT_MODE Constant used to initialize cipher to encryption mode.
int	DECRYPT_MODE Constant used to initialize cipher to decryption mode.
int	WRAP_MODE Constant used to initialize cipher to key-wrapping mode.
int	UNWRAP_MODE Constant used to initialize cipher to key-unwrapping mode.
int	PUBLIC_KEY Constant used to indicate the to-be-unwrapped key is a "public key".
int	PRIVATE_KEY Constant used to indicate the to-be-unwrapped key is a "private key".
int	SECRET_KEY Constant used to indicate the to-be-unwrapped key is a "secret key".

Method

byte[]	doFinal(byte[] input) Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
byte[]	doFinal() Finishes a multiple-part encryption or decryption operation, depending on how this cipher was initialized.
int	doFinal(byte[] output, int outputOffset) Finishes a multiple-part encryption or decryption operation, depending on how this cipher was initialized.
int	doFinal(ByteBuffer input, ByteBuffer output) Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
int	doFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
byte[]	doFinal(byte[] input, int inputOffset, int inputLen) Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
String	getAlgorithm() Returns the algorithm name of this Cipher object.
int	getBlockSize() Returns the block size (in bytes).
Class	getClass() Returns the runtime class of this Object .
Cipher	getInstance(String transformation) Returns a Cipher object that implements the specified transformation.
Cipher	getInstance(String transformation, String provider) Returns a Cipher object that implements the specified transformation.
Cipher	getInstance(String transformation, Provider provider) Returns a Cipher object that implements the specified transformation.
byte[]	getIV() Returns the initialization vector (IV) in a new buffer.
int	getMaxAllowedKeyLength(String transformation) Returns the maximum key length for the specified transformation according to the installed JCE jurisdiction policy files.
AlgorithmParameterSpec	getMaxAllowedParameterSpec(String transformation) Returns an AlgorithmParameterSpec object which contains the maximum cipher parameter value according to the jurisdiction policy file.
int	getOutputSize(int inputLen) Returns the length in bytes that an output buffer would need to be in order to hold the result of the next update or doFinal operation, given the input length inputLen (in bytes).
AlgorithmParameters	getParameters() Returns the parameters used with this cipher.
Provider	getProvider() Returns the provider of this Cipher object.
void	init(int opmode, Key key) Initializes this cipher with a key.
void	init(int opmode, Certificate certificate) Initializes this cipher with the public key from the given certificate.
void	init(int opmode, Key key, SecureRandom random) Initializes this cipher with a key and a source of randomness.
void	init(int opmode, Key key, AlgorithmParameterSpec params) Initializes this cipher with a key and a set of algorithm parameters.
void	init(int opmode, Key key, AlgorithmParameters params) Initializes this cipher with a key and a set of algorithm parameters.
void	init(int opmode, Certificate certificate, SecureRandom random) Initializes this cipher with the public key from the given certificate and a source of randomness.
Key	unwrap(byte[] wrappedKey, String wrappedKeyAlgorithm, int wrappedKeyType) Unwrap a previously wrapped key.
int	update(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
int	update(byte[] input, int inputOffset, int inputLen, byte[] output) Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
byte[]	update(byte[] input) Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
byte[]	update(byte[] input, int inputOffset, int inputLen) Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
byte[]	wrap(Key key) Wrap a key.