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authorVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
commit48540940b6c28bb4378abfeb500ec45a625b37b6 (patch)
tree2ef294c0763e802f91d868bdef4229b6868527de /plugins/CryptoPP/crypto/haval.h
parent5c350913f011e119127baeb32a6aedeb4f0d33bc (diff)
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/crypto/haval.h')
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diff --git a/plugins/CryptoPP/crypto/haval.h b/plugins/CryptoPP/crypto/haval.h
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+#ifndef CRYPTOPP_HAVAL_H
+#define CRYPTOPP_HAVAL_H
+
+#include "iterhash.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// <a href="http://www.weidai.com/scan-mirror/md.html#HAVAL">HAVAL</a>
+/*! \warning HAVAL with 128-bit or 160-bit output is considered insecure, and should not be used
+ unless you absolutely need it for compatibility. */
+class HAVAL : public IteratedHash<word32, LittleEndian, 128>
+{
+public:
+ enum {HAVAL_VERSION = 1};
+ CRYPTOPP_CONSTANT(DIGESTSIZE = 32)
+
+ /// digestSize can be 16, 20, 24, 28, or 32 (Default=32)<br>
+ /// pass can be 3, 4 or 5 (Default=3)
+ HAVAL(unsigned int digestSize=DIGESTSIZE, unsigned int passes=3);
+ void TruncatedFinal(byte *hash, size_t size);
+ unsigned int DigestSize() const {return digestSize;}
+
+ static const char * StaticAlgorithmName() {return "HAVAL";}
+ std::string AlgorithmName() const {return std::string("HAVAL(") + IntToString(digestSize) + "," + IntToString(pass) + ")";}
+
+protected:
+ static const unsigned int wi2[32], wi3[32], wi4[32], wi5[32];
+ static const word32 mc2[32], mc3[32], mc4[32], mc5[32];
+
+ void Init();
+ void Tailor(unsigned int FPTLEN);
+ void HashEndianCorrectedBlock(const word32 *in);
+
+ const unsigned int digestSize, pass;
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/md.html#HAVAL">HAVAL</a> with 3 passes
+class HAVAL3 : public HAVAL
+{
+public:
+ HAVAL3(unsigned int digestSize=DIGESTSIZE) : HAVAL(digestSize, 3) {}
+ static void Transform(word32 *buf, const word32 *in);
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/md.html#HAVAL">HAVAL</a> with 4 passes
+class HAVAL4 : public HAVAL
+{
+public:
+ HAVAL4(unsigned int digestSize=DIGESTSIZE) : HAVAL(digestSize, 4) {}
+ static void Transform(word32 *buf, const word32 *in);
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/md.html#HAVAL">HAVAL</a> with 5 passes
+class HAVAL5 : public HAVAL
+{
+public:
+ HAVAL5(unsigned int digestSize=DIGESTSIZE) : HAVAL(digestSize, 5) {}
+ static void Transform(word32 *buf, const word32 *in);
+};
+
+NAMESPACE_END
+
+#endif