Class ShortenedDigest

public class ShortenedDigest

extends java.lang.Object

implements ExtendedDigest

Wrapper class that reduces the output length of a particular digest to only the first n bytes of the digest function.

Constructor Summary
`ShortenedDigest(ExtendedDigest baseDigest, int length)` Base constructor.

Method Summary
`int`	`doFinal(byte[] out, int outOff)`
`String`	`getAlgorithmName()`
`int`	`getByteLength()`
`int`	`getDigestSize()`
`void`	`reset()`
`void`	`update(byte in)`
`void`	`update(byte[] in, int inOff, int len)`

public ShortenedDigest(ExtendedDigest baseDigest,
                       int length)

Base constructor.
Parameters:
baseDigest - underlying digest to use.
length - length in bytes of the output of doFinal.

public int doFinal(byte[] out,
                   int outOff)

Specified by:
doFinal in interface Digest

public String getAlgorithmName()

Specified by:
getAlgorithmName in interface Digest

public int getByteLength()

Specified by:
getByteLength in interface ExtendedDigest

public int getDigestSize()

Specified by:
getDigestSize in interface Digest

public void reset()

Specified by:
reset in interface Digest

public void update(byte in)

Specified by:
update in interface Digest

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

Specified by:
update in interface Digest

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Constructor Summary