Package org.bouncycastle.crypto.digests
Class NonMemoableDigest
- java.lang.Object
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- org.bouncycastle.crypto.digests.NonMemoableDigest
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- All Implemented Interfaces:
Digest
,ExtendedDigest
public class NonMemoableDigest extends java.lang.Object implements ExtendedDigest
Wrapper removes exposure to the Memoable interface on an ExtendedDigest implementation.
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Constructor Summary
Constructors Constructor Description NonMemoableDigest(ExtendedDigest baseDigest)
Base constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
doFinal(byte[] out, int outOff)
close the digest, producing the final digest value.java.lang.String
getAlgorithmName()
return the algorithm nameint
getByteLength()
Return the size in bytes of the internal buffer the digest applies it's compression function to.int
getDigestSize()
return the size, in bytes, of the digest produced by this message digest.void
reset()
reset the digest back to it's initial state.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.
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Constructor Detail
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NonMemoableDigest
public NonMemoableDigest(ExtendedDigest baseDigest)
Base constructor.- Parameters:
baseDigest
- underlying digest to use.- Throws:
java.lang.IllegalArgumentException
- if baseDigest is null
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Method Detail
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getAlgorithmName
public java.lang.String getAlgorithmName()
Description copied from interface:Digest
return the algorithm name- Specified by:
getAlgorithmName
in interfaceDigest
- Returns:
- the algorithm name
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getDigestSize
public int getDigestSize()
Description copied from interface:Digest
return the size, in bytes, of the digest produced by this message digest.- Specified by:
getDigestSize
in interfaceDigest
- Returns:
- the size, in bytes, of the digest produced by this message digest.
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update
public void update(byte in)
Description copied from interface:Digest
update the message digest with a single byte.
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update
public void update(byte[] in, int inOff, int len)
Description copied from interface:Digest
update the message digest with a block of bytes.
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doFinal
public int doFinal(byte[] out, int outOff)
Description copied from interface:Digest
close the digest, producing the final digest value. The doFinal call leaves the digest reset.
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reset
public void reset()
Description copied from interface:Digest
reset the digest back to it's initial state.
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getByteLength
public int getByteLength()
Description copied from interface:ExtendedDigest
Return the size in bytes of the internal buffer the digest applies it's compression function to.- Specified by:
getByteLength
in interfaceExtendedDigest
- Returns:
- byte length of the digests internal buffer.
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