com.jn.langx.security.crypto.digest.internal.impl

类 _AbstractLongDigest

java.lang.Object

com.jn.langx.security.crypto.digest.internal.impl._AbstractLongDigest

所有已实现的接口:

Digest, Memoable

直接已知子类:

_SHA384Digest, _SHA512Digest, _SHA512tDigest

public abstract class _AbstractLongDigest
extends Object
implements Digest, Memoable

Base class for SHA-384 and SHA-512.

字段概要

字段

限定符和类型	字段和说明
protected long	H1
protected long	H2
protected long	H3
protected long	H4
protected long	H5
protected long	H6
protected long	H7
protected long	H8

构造器概要

构造器

限定符	构造器和说明
protected	_AbstractLongDigest(_AbstractLongDigest t) Copy constructor.
protected	_AbstractLongDigest() Constructor for variable length word

方法概要

限定符和类型	方法和说明
protected void	copyIn(_AbstractLongDigest t)
void	finish()
int	getBufferSize() Return the size in bytes of the internal buffer the digest applies it's compression function to.
protected int	getEncodedStateSize()
protected void	populateState(byte[] state)
protected void	processBlock()
protected void	processLength(long lowW, long hiW)
protected void	processWord(byte[] in, int inOff)
void	reset() reset the digest back to it's initial state.
protected void	restoreState(byte[] encodedState)
void	update(byte in) update the message digest with a single byte.
void	update(byte[] in, int inOff, int len) update the message digest with a block of bytes.

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.jn.langx.security.crypto.digest.internal.Digest

doFinal, getAlgorithmName, getDigestSize

从接口继承的方法 com.jn.langx.util.Memoable

copy, reset

字段详细资料

H1

protected long H1

H2

protected long H2

H3

protected long H3

H4

protected long H4

H5

protected long H5

H6

protected long H6

H7

protected long H7

H8

protected long H8

构造器详细资料

_AbstractLongDigest

protected _AbstractLongDigest()

Constructor for variable length word

_AbstractLongDigest

protected _AbstractLongDigest(_AbstractLongDigest t)

Copy constructor. We are using copy constructors in place of the Object.clone() interface as this interface is not supported by J2ME.

方法详细资料

copyIn

protected void copyIn(_AbstractLongDigest t)

populateState

protected void populateState(byte[] state)

restoreState

protected void restoreState(byte[] encodedState)

getEncodedStateSize

protected int getEncodedStateSize()

update

public void update(byte in)

从接口复制的说明: Digest

update the message digest with a single byte.

指定者:

update 在接口中 Digest

参数:

in - the input byte to be entered.

update

public void update(byte[] in,
                   int inOff,
                   int len)

从接口复制的说明: Digest

update the message digest with a block of bytes.

指定者:

update 在接口中 Digest

参数:

in - the byte array containing the data.

inOff - the offset into the byte array where the data starts.

len - the length of the data.

finish

public void finish()

reset

public void reset()

从接口复制的说明: Digest

reset the digest back to it's initial state.

指定者:

reset 在接口中 Digest

getBufferSize

public int getBufferSize()

从接口复制的说明: Digest

Return the size in bytes of the internal buffer the digest applies it's compression function to.

指定者:

getBufferSize 在接口中 Digest

返回:

byte length of the digests internal buffer.

processWord

protected void processWord(byte[] in,
                           int inOff)

processLength

protected void processLength(long lowW,
                             long hiW)

processBlock

protected void processBlock()