com.healthmarketscience.jackcess.impl.office
Class AgileEncryptionProvider

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

All Implemented Interfaces:

com.healthmarketscience.jackcess.impl.CodecHandler

public class AgileEncryptionProvider
extends BlockCipherProvider

Author:

James Ahlborn

Nested Class Summary

Nested classes/interfaces inherited from class com.healthmarketscience.jackcess.impl.OfficeCryptCodecHandler

OfficeCryptCodecHandler.Phase

Field Summary

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

CIPHER_DECRYPT_MODE, CIPHER_ENCRYPT_MODE

Constructor Summary

AgileEncryptionProvider(com.healthmarketscience.jackcess.impl.PageChannel channel, byte[] encodingKey, ByteBuffer encProvBuf, byte[] pwdBytes)

Method Summary

protected org.bouncycastle.crypto.params.ParametersWithIV	computeCipherParams(int pageNumber) Generates the cipher parameters for the given page number.
protected org.bouncycastle.crypto.BlockCipher	initCryptCipher()
protected org.bouncycastle.crypto.Digest	initCryptDigest()
protected org.bouncycastle.crypto.BlockCipher	initPwdCipher()
protected org.bouncycastle.crypto.Digest	initPwdDigest()
protected boolean	verifyPassword(byte[] pwdBytes)

Methods inherited from class com.healthmarketscience.jackcess.impl.office.BlockCipherProvider

canDecodeInline, canEncodePartialPage, decodePageImpl, encodePageImpl, getBlockCipher, initCipher, reset

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

bits2bytes, create, decodePage, encodePage, getDigest, getPhase, initDigest, int2bytes, iterateHash

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

applyPageNumber, blockDecrypt, blockDecryptBytes, blockEncrypt, decryptBytes, decryptBytes, decryptInit, decryptInit, encryptInit, encryptInit, fill, fixToLength, fixToLength, getCipherParams, getEncodingKey, getEncodingKey, getStreamCipher, 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

Constructor Detail

AgileEncryptionProvider

public AgileEncryptionProvider(com.healthmarketscience.jackcess.impl.PageChannel channel,
                               byte[] encodingKey,
                               ByteBuffer encProvBuf,
                               byte[] pwdBytes)
                        throws IOException

Throws:

IOException

Method Detail

initPwdDigest

protected org.bouncycastle.crypto.Digest initPwdDigest()

Overrides:

initPwdDigest in class OfficeCryptCodecHandler

initCryptDigest

protected org.bouncycastle.crypto.Digest initCryptDigest()

Overrides:

initCryptDigest in class OfficeCryptCodecHandler

initPwdCipher

protected org.bouncycastle.crypto.BlockCipher initPwdCipher()

Overrides:

initPwdCipher in class BlockCipherProvider

initCryptCipher

protected org.bouncycastle.crypto.BlockCipher initCryptCipher()

Overrides:

initCryptCipher in class BlockCipherProvider

verifyPassword

protected boolean verifyPassword(byte[] pwdBytes)

Specified by:

verifyPassword in class OfficeCryptCodecHandler

computeCipherParams

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

Description copied from class: BaseCryptCodecHandler

Generates the cipher parameters for the given page number.

Specified by:

computeCipherParams in class BaseCryptCodecHandler