Package org.kapott.cryptalgs
Class MDC2
java.lang.Object
java.security.MessageDigestSpi
org.kapott.cryptalgs.MDC2
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate Cipherprivate SecretKeyFactoryprivate byte[]private byte[]private int[]private byteprivate byte[] -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprivate byte[]des(byte[] data, byte[] keydata) protected byte[]protected intengineDigest(byte[] buf, int offset, int len) protected intprotected voidprotected voidengineUpdate(byte input) protected voidengineUpdate(byte[] input, int offset, int len) private byte[]g(byte[] u, byte modifier) private voidhashIt()private byte[]xor(byte[] x1, byte[] x2) Methods inherited from class java.security.MessageDigestSpi
clone, engineUpdate
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Field Details
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x
private byte[] x -
writePos
private byte writePos -
h1
private byte[] h1 -
h2
private byte[] h2 -
fac
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cipher
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odd_parity
private int[] odd_parity
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Constructor Details
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MDC2
public MDC2()
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Method Details
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engineDigest
protected byte[] engineDigest()- Specified by:
engineDigestin classMessageDigestSpi
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engineDigest
protected int engineDigest(byte[] buf, int offset, int len) - Overrides:
engineDigestin classMessageDigestSpi
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engineGetDigestLength
protected int engineGetDigestLength()- Overrides:
engineGetDigestLengthin classMessageDigestSpi
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engineReset
protected void engineReset()- Specified by:
engineResetin classMessageDigestSpi
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engineUpdate
protected void engineUpdate(byte[] input, int offset, int len) - Specified by:
engineUpdatein classMessageDigestSpi
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engineUpdate
protected void engineUpdate(byte input) - Specified by:
engineUpdatein classMessageDigestSpi
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hashIt
private void hashIt() -
g
private byte[] g(byte[] u, byte modifier) -
des
private byte[] des(byte[] data, byte[] keydata) -
xor
private byte[] xor(byte[] x1, byte[] x2)
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