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#ifndef CRYPTOPP_HAVAL_H
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#define CRYPTOPP_HAVAL_H
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#include "iterhash.h"
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00006 NAMESPACE_BEGIN(CryptoPP)
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00008
00009 class
HAVAL : public
IteratedHash<word32, LittleEndian, 128>
00010 {
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public:
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enum {DIGESTSIZE = 32, HAVAL_VERSION = 1};
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HAVAL(
unsigned int digestSize=DIGESTSIZE,
unsigned int passes=3);
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void TruncatedFinal(byte *hash,
unsigned int size);
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unsigned int DigestSize()
const {
return digestSize;}
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protected:
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static const unsigned int wi2[32], wi3[32], wi4[32], wi5[32];
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static const word32 mc2[32], mc3[32], mc4[32], mc5[32];
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void Init();
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void Tailor(
unsigned int FPTLEN);
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void vTransform(
const word32 *in);
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const unsigned int digestSize, pass;
00029 };
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00031
00032 class HAVAL3 :
public HAVAL
00033 {
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public:
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HAVAL3(
unsigned int digestSize=DIGESTSIZE) :
HAVAL(digestSize, 3) {}
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static void Transform(word32 *buf,
const word32 *in);
00037 };
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00039
00040 class HAVAL4 :
public HAVAL
00041 {
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public:
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HAVAL4(
unsigned int digestSize=DIGESTSIZE) :
HAVAL(digestSize, 4) {}
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static void Transform(word32 *buf,
const word32 *in);
00045 };
00046
00047
00048 class HAVAL5 :
public HAVAL
00049 {
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public:
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HAVAL5(
unsigned int digestSize=DIGESTSIZE) :
HAVAL(digestSize, 5) {}
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static void Transform(word32 *buf,
const word32 *in);
00053 };
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00055 NAMESPACE_END
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#endif