com.healthmarketscience.jackcess.crypt.impl.office

Class BlockCipherProvider

java.lang.Object

com.healthmarketscience.jackcess.crypt.impl.BaseCryptCodecHandler

com.healthmarketscience.jackcess.crypt.impl.OfficeCryptCodecHandler

com.healthmarketscience.jackcess.crypt.impl.office.BlockCipherProvider

All Implemented Interfaces:

com.healthmarketscience.jackcess.impl.CodecHandler

Direct Known Subclasses:

AgileEncryptionProvider, ECMAStandardEncryptionProvider

public abstract class BlockCipherProvider
extends OfficeCryptCodecHandler

Author:

James Ahlborn

Field Summary

Fields inherited from class com.healthmarketscience.jackcess.crypt.impl.BaseCryptCodecHandler

CIPHER_DECRYPT_MODE, CIPHER_ENCRYPT_MODE

Constructor Summary

Constructors

Constructor and Description
BlockCipherProvider(com.healthmarketscience.jackcess.impl.PageChannel channel, byte[] encodingKey)

Method Summary

Modifier and Type	Method and Description
boolean	canDecodeInline()
boolean	canEncodePartialPage()
ByteBuffer	encodePageImpl(ByteBuffer buffer, int pageNumber, int pageOffset)

Methods inherited from class com.healthmarketscience.jackcess.crypt.impl.OfficeCryptCodecHandler

create, decodePage, encodePage

Methods inherited from class com.healthmarketscience.jackcess.crypt.impl.BaseCryptCodecHandler

applyPageNumber, fill, fixToLength, fixToLength, hash, hash, hash, hash, toString, wrap

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

BlockCipherProvider

public BlockCipherProvider(com.healthmarketscience.jackcess.impl.PageChannel channel,
                           byte[] encodingKey)

Method Detail

canEncodePartialPage

public final boolean canEncodePartialPage()

canDecodeInline

public final boolean canDecodeInline()

encodePageImpl

public ByteBuffer encodePageImpl(ByteBuffer buffer,
                                 int pageNumber,
                                 int pageOffset)
                          throws IOException

Throws:

IOException