Package org.bouncycastle.crypto.digests
Class ISAPDigest
- java.lang.Object
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- org.bouncycastle.crypto.digests.ISAPDigest
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- All Implemented Interfaces:
Digest
public class ISAPDigest extends java.lang.Object implements Digest
ISAP Hash v2, https://isap.iaik.tugraz.at/ https://csrc.nist.gov/CSRC/media/Projects/lightweight-cryptography/documents/finalist-round/updated-spec-doc/isap-spec-final.pdfISAP Hash v2 with reference to C Reference Impl from: https://github.com/isap-lwc/isap-code-package
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Constructor Summary
Constructors Constructor Description ISAPDigest()
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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
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.protected long
U64BIG(long x)
void
update(byte input)
update the message digest with a single byte.void
update(byte[] input, int inOff, int len)
update the message digest with a block of bytes.
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Method Detail
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U64BIG
protected long U64BIG(long x)
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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 input)
Description copied from interface:Digest
update the message digest with a single byte.
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update
public void update(byte[] input, 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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