com.healthmarketscience.jackcess.impl

Class JetCryptCodecHandler

java.lang.Object

com.healthmarketscience.jackcess.impl.BaseCryptCodecHandler

com.healthmarketscience.jackcess.impl.BaseJetCryptCodecHandler

com.healthmarketscience.jackcess.impl.JetCryptCodecHandler

All Implemented Interfaces:

com.healthmarketscience.jackcess.impl.CodecHandler

public class JetCryptCodecHandler
extends BaseJetCryptCodecHandler

CodecHandler for Jet databases.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static int	ENCODING_KEY_LENGTH

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

CIPHER_DECRYPT_MODE, CIPHER_ENCRYPT_MODE

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected org.bouncycastle.crypto.params.KeyParameter	computeCipherParams(int pageNumber) Generates the cipher parameters for the given page number.
static com.healthmarketscience.jackcess.impl.CodecHandler	create(com.healthmarketscience.jackcess.impl.PageChannel channel)
protected int	getMaxEncodedPage()

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

canDecodeInline, canEncodePartialPage, decodePage, encodePage, getStreamCipher

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

applyPageNumber, blockDecrypt, blockDecryptBytes, blockEncrypt, decryptBytes, decryptBytes, decryptInit, decryptInit, encryptInit, encryptInit, fill, fixToLength, fixToLength, getBlockCipher, getCipherParams, getEncodingKey, getEncodingKey, getTempBuffer, hash, hash, hash, hash, isBlankKey, processBytesFully, readHeaderPage, streamDecrypt, streamEncrypt, toString, wrap

Methods inherited from class java.lang.Object

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

Field Detail

ENCODING_KEY_LENGTH

static final int ENCODING_KEY_LENGTH

See Also:

Constant Field Values

Constructor Detail

JetCryptCodecHandler

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

Method Detail

create

public static com.healthmarketscience.jackcess.impl.CodecHandler create(com.healthmarketscience.jackcess.impl.PageChannel channel)
                                                                 throws java.io.IOException

Throws:

java.io.IOException

computeCipherParams

protected org.bouncycastle.crypto.params.KeyParameter computeCipherParams(int pageNumber)

Description copied from class: BaseCryptCodecHandler

Generates the cipher parameters for the given page number.

Specified by:

computeCipherParams in class BaseCryptCodecHandler

getMaxEncodedPage

protected int getMaxEncodedPage()

Specified by:

getMaxEncodedPage in class BaseJetCryptCodecHandler