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oracle.security.crypto.jce.provider
Class RSACipherSpi

java.lang.Object
javax.crypto.CipherSpi
oracle.security.crypto.jce.provider.RSACipherSpi

public class RSACipherSpi

extends javax.crypto.CipherSpi

Constructor Summary

RSACipherSpi()

Method Summary

protected byte[]	engineDoFinal(byte[] input, int offset, 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) This method determines the number of bits of key material contained in a Key object.
protected int	engineGetOutputSize(int inputLen)
protected java.security.AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opMode, java.security.Key key, java.security.spec.AlgorithmParameterSpec paramSpec, java.security.SecureRandom random)
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	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 offset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected byte[]	engineWrap(java.security.Key key)

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

RSACipherSpi

public RSACipherSpi()

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

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

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 paramSpec,
                          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 offset,
                              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 offset,
                               int inputLen)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

Specified by:

engineDoFinal in class javax.crypto.CipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

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

engineGetKeySize

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

This method determines the number of bits of key material contained in a Key object.

If the key is null, an InvalidKeyException will be thrown.

Overrides:

engineGetKeySize in class javax.crypto.CipherSpi

Returns:

the number of bits of key material contained in the key's modulus.

Throws:

java.security.InvalidKeyException - will be thrown if the key reference is null, or is not an RSA public or private key.

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