com.healthmarketscience.jackcess.impl.office
Class BlockCipherProvider

java.lang.Object
  com.healthmarketscience.jackcess.impl.BaseCryptCodecHandler
      com.healthmarketscience.jackcess.impl.OfficeCryptCodecHandler
          com.healthmarketscience.jackcess.impl.office.BlockCipherProvider

All Implemented Interfaces:

CodecHandler

Direct Known Subclasses:

AgileEncryptionProvider, ECMAStandardEncryptionProvider

public abstract class BlockCipherProvider
extends OfficeCryptCodecHandler

Author:

James Ahlborn

Field Summary

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

CIPHER_DECRYPT_MODE, CIPHER_ENCRYPT_MODE

Constructor Summary

BlockCipherProvider(PageChannel channel, byte[] encodingKey)

Method Summary

boolean	canDecodeInline()
boolean	canEncodePartialPage()
ByteBuffer	encodePageImpl(ByteBuffer buffer, int pageNumber, int pageOffset)

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

create, decodePage, encodePage

Methods inherited from class com.healthmarketscience.jackcess.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(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