Package org.conscrypt

Class OpenSSLCipherRSA

java.lang.Object

javax.crypto.CipherSpi

org.conscrypt.OpenSSLCipherRSA

Direct Known Subclasses:

OpenSSLCipherRSA.DirectRSA, OpenSSLCipherRSA.OAEP

@Internal
public abstract class OpenSSLCipherRSA
extends javax.crypto.CipherSpi

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OpenSSLCipherRSA.DirectRSA
static class	OpenSSLCipherRSA.OAEP
static class	OpenSSLCipherRSA.PKCS1
static class	OpenSSLCipherRSA.Raw

Field Summary

Fields

Modifier and Type	Field	Description
private byte[]	buffer	Buffer for operations
private int	bufferOffset	Current offset in the buffer.
(package private) boolean	encrypting	Current cipher mode: encrypting or decrypting.
private boolean	inputTooLarge	Flag that indicates an exception should be thrown when the input is too large during doFinal.
(package private) OpenSSLKey	key	The current OpenSSL key we're operating on.
(package private) int	padding	Current padding mode
(package private) boolean	usingPrivateKey	Current key type: private or public.

Constructor Summary

Constructors

Constructor	Description
OpenSSLCipherRSA(int padding)

Method Summary

Modifier and Type	Method	Description
(package private) void	doCryptoInit(java.security.spec.AlgorithmParameterSpec spec)
(package private) abstract int	doCryptoOperation(byte[] tmpBuf, byte[] output)
protected byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
protected int	engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected int	engineGetBlockSize()
protected byte[]	engineGetIV()
protected int	engineGetKeySize(java.security.Key key)
protected int	engineGetOutputSize(int inputLen)
protected java.security.AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, java.security.Key key, java.security.AlgorithmParameters params, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)
(package private) void	engineInitInternal(int opmode, java.security.Key key, java.security.spec.AlgorithmParameterSpec spec)
protected void	engineSetMode(java.lang.String mode)
protected void	engineSetPadding(java.lang.String padding)
protected java.security.Key	engineUnwrap(byte[] wrappedKey, java.lang.String wrappedKeyAlgorithm, int wrappedKeyType)
protected byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected byte[]	engineWrap(java.security.Key key)
(package private) boolean	isInitialized()	Returns true if the cipher has been initialized.
(package private) int	keySizeBytes()
(package private) int	paddedBlockSizeBytes()

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineUpdate, engineUpdateAAD, engineUpdateAAD

Methods inherited from class java.lang.Object

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

Field Detail

key

OpenSSLKey key

The current OpenSSL key we're operating on.

usingPrivateKey

boolean usingPrivateKey

Current key type: private or public.

encrypting

boolean encrypting

Current cipher mode: encrypting or decrypting.

buffer

private byte[] buffer

Buffer for operations

bufferOffset

private int bufferOffset

Current offset in the buffer.

inputTooLarge

private boolean inputTooLarge

Flag that indicates an exception should be thrown when the input is too large during doFinal.

padding

int padding

Current padding mode

Constructor Detail

OpenSSLCipherRSA

OpenSSLCipherRSA(int padding)

Method Detail

engineSetMode

protected void engineSetMode(java.lang.String mode)
                      throws java.security.NoSuchAlgorithmException

Specified by:

engineSetMode in class javax.crypto.CipherSpi

Throws:

java.security.NoSuchAlgorithmException

engineSetPadding

protected void engineSetPadding(java.lang.String padding)
                         throws javax.crypto.NoSuchPaddingException

Specified by:

engineSetPadding in class javax.crypto.CipherSpi

Throws:

javax.crypto.NoSuchPaddingException

engineGetBlockSize

protected int engineGetBlockSize()

Specified by:

engineGetBlockSize in class javax.crypto.CipherSpi

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Specified by:

engineGetOutputSize in class javax.crypto.CipherSpi

paddedBlockSizeBytes

int paddedBlockSizeBytes()

keySizeBytes

int keySizeBytes()

isInitialized

boolean isInitialized()

Returns true if the cipher has been initialized.

engineGetIV

protected byte[] engineGetIV()

Specified by:

engineGetIV in class javax.crypto.CipherSpi

engineGetParameters

protected java.security.AlgorithmParameters engineGetParameters()

Specified by:

engineGetParameters in class javax.crypto.CipherSpi

doCryptoInit

void doCryptoInit(java.security.spec.AlgorithmParameterSpec spec)
           throws java.security.InvalidAlgorithmParameterException,
                  java.security.InvalidKeyException

Throws:

java.security.InvalidAlgorithmParameterException

java.security.InvalidKeyException

engineInitInternal

void engineInitInternal(int opmode,
                        java.security.Key key,
                        java.security.spec.AlgorithmParameterSpec spec)
                 throws java.security.InvalidKeyException,
                        java.security.InvalidAlgorithmParameterException

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineGetKeySize

protected int engineGetKeySize(java.security.Key key)
                        throws java.security.InvalidKeyException

Overrides:

engineGetKeySize in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

engineInit

protected void engineInit(int opmode,
                          java.security.Key key,
                          java.security.SecureRandom random)
                   throws java.security.InvalidKeyException

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

engineInit

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

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineInit

protected void engineInit(int opmode,
                          java.security.Key key,
                          java.security.AlgorithmParameters params,
                          java.security.SecureRandom random)
                   throws java.security.InvalidKeyException,
                          java.security.InvalidAlgorithmParameterException

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineUpdate

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

Specified by:

engineUpdate in class javax.crypto.CipherSpi

engineUpdate

protected int engineUpdate(byte[] input,
                           int inputOffset,
                           int inputLen,
                           byte[] output,
                           int outputOffset)
                    throws javax.crypto.ShortBufferException

Specified by:

engineUpdate in class javax.crypto.CipherSpi

Throws:

javax.crypto.ShortBufferException

engineDoFinal

protected byte[] engineDoFinal(byte[] input,
                               int inputOffset,
                               int inputLen)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

Specified by:

engineDoFinal in class javax.crypto.CipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

doCryptoOperation

abstract int doCryptoOperation(byte[] tmpBuf,
                               byte[] output)
                        throws javax.crypto.BadPaddingException,
                               javax.crypto.IllegalBlockSizeException

Throws:

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

engineDoFinal

protected int engineDoFinal(byte[] input,
                            int inputOffset,
                            int inputLen,
                            byte[] output,
                            int outputOffset)
                     throws javax.crypto.ShortBufferException,
                            javax.crypto.IllegalBlockSizeException,
                            javax.crypto.BadPaddingException

Specified by:

engineDoFinal in class javax.crypto.CipherSpi

Throws:

javax.crypto.ShortBufferException

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

engineWrap

protected byte[] engineWrap(java.security.Key key)
                     throws javax.crypto.IllegalBlockSizeException,
                            java.security.InvalidKeyException

Overrides:

engineWrap in class javax.crypto.CipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

java.security.InvalidKeyException

engineUnwrap

protected java.security.Key engineUnwrap(byte[] wrappedKey,
                                         java.lang.String wrappedKeyAlgorithm,
                                         int wrappedKeyType)
                                  throws java.security.InvalidKeyException,
                                         java.security.NoSuchAlgorithmException

Overrides:

engineUnwrap in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

java.security.NoSuchAlgorithmException