1 files changed, 63 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/haval.h b/plugins/CryptoPP/crypto/haval.h
new file mode 100644
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+++ 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