Package org.apache.bookkeeper.proto.checksum

Class MacDigestManager

java.lang.Object

org.apache.bookkeeper.proto.checksum.DigestManager

org.apache.bookkeeper.proto.checksum.MacDigestManager

public class MacDigestManager
extends DigestManager

A SHA-1 based digest manager.

NOTE: This class is tended to be used by this project only. External users should not rely on it directly.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.bookkeeper.proto.checksum.DigestManager

DigestManager.RecoveryData

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DIGEST_ALGORITHM
(package private) static final byte[]	EMPTY_LEDGER_KEY
static final String	KEY_ALGORITHM
static final int	MAC_CODE_LENGTH
(package private) final byte[]	passwd

Fields inherited from class org.apache.bookkeeper.proto.checksum.DigestManager

LAC_METADATA_LENGTH, ledgerId, macCodeLength, METADATA_LENGTH, useV2Protocol

Constructor Summary

Constructors

Constructor	Description
MacDigestManager(long ledgerId, byte[] passwd, boolean useV2Protocol, io.netty.buffer.ByteBufAllocator allocator)

Method Summary

Modifier and Type	Method	Description
(package private) boolean	acceptsMemoryAddressBuffer()
static byte[]	genDigest(String pad, byte[] passwd)
(package private) int	getMacCodeLength()
(package private) int	internalUpdate(int digest, byte[] buffer, int offset, int len)
(package private) int	internalUpdate(int digest, io.netty.buffer.ByteBuf data, int offset, int len)
(package private) boolean	isInt32Digest()
(package private) void	populateValueAndReset(int digest, io.netty.buffer.ByteBuf buffer)

Methods inherited from class org.apache.bookkeeper.proto.checksum.DigestManager

computeDigestAndPackageForSending, computeDigestAndPackageForSendingLac, generateMasterKey, instantiate, update, verifyDigestAndReturnData, verifyDigestAndReturnLac, verifyDigestAndReturnLastConfirmed

Methods inherited from class java.lang.Object

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

Field Details

DIGEST_ALGORITHM

public static final String DIGEST_ALGORITHM

See Also:

• Constant Field Values

KEY_ALGORITHM

public static final String KEY_ALGORITHM

See Also:

• Constant Field Values

MAC_CODE_LENGTH

public static final int MAC_CODE_LENGTH

See Also:

• Constant Field Values

passwd

final byte[] passwd

EMPTY_LEDGER_KEY

static final byte[] EMPTY_LEDGER_KEY

Constructor Details

MacDigestManager

public MacDigestManager(long ledgerId,
 byte[] passwd,
 boolean useV2Protocol,
 io.netty.buffer.ByteBufAllocator allocator)
                 throws GeneralSecurityException

Throws:

GeneralSecurityException

Method Details

genDigest

public static byte[] genDigest(String pad,
 byte[] passwd)
                        throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getMacCodeLength

int getMacCodeLength()

Specified by:

getMacCodeLength in class DigestManager

populateValueAndReset

void populateValueAndReset(int digest,
 io.netty.buffer.ByteBuf buffer)

Specified by:

populateValueAndReset in class DigestManager

internalUpdate

int internalUpdate(int digest,
 io.netty.buffer.ByteBuf data,
 int offset,
 int len)

Specified by:

internalUpdate in class DigestManager

internalUpdate

int internalUpdate(int digest,
 byte[] buffer,
 int offset,
 int len)

Specified by:

internalUpdate in class DigestManager

isInt32Digest

boolean isInt32Digest()

Specified by:

isInt32Digest in class DigestManager

acceptsMemoryAddressBuffer

boolean acceptsMemoryAddressBuffer()

Specified by:

acceptsMemoryAddressBuffer in class DigestManager