First Commit

externals/cryptopp/md2.h

@@ -0,0 +1,56 @@
+// md2.h - originally written and placed in the public domain by Wei Dai
+
+/// \file md2.h
+/// \brief Classes for the MD2 message digest
+/// \since Crypto++ 3.0
+
+#ifndef CRYPTOPP_MD2_H
+#define CRYPTOPP_MD2_H
+
+#include "cryptlib.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+namespace Weak1 {
+
+/// \brief MD2 message digest
+/// \sa <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a>
+/// \since Crypto++ 3.0
+class MD2 : public HashTransformation
+{
+public:
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MD2";}
+
+	MD2();
+	void Update(const byte *input, size_t length);
+	void TruncatedFinal(byte *hash, size_t size);
+	unsigned int DigestSize() const {return DIGESTSIZE;}
+	unsigned int BlockSize() const {return BLOCKSIZE;}
+	std::string AlgorithmName() const {return StaticAlgorithmName();}
+
+	CRYPTOPP_CONSTANT(DIGESTSIZE = 16);
+	CRYPTOPP_CONSTANT(BLOCKSIZE = 16);
+
+private:
+	void Transform();
+	void Init();
+	SecByteBlock m_X, m_C, m_buf;
+	unsigned int m_count;
+};
+
+}
+#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1
+namespace Weak {using namespace Weak1;}		// import Weak1 into CryptoPP::Weak
+#else
+using namespace Weak1;	// import Weak1 into CryptoPP with warning
+#ifdef __GNUC__
+#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning."
+#else
+#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.")
+#endif
+#endif
+
+NAMESPACE_END
+
+#endif