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include/Nazara/Core/Hash/CRC32.hpp

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+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_HASH_CRC32_HPP
+#define NAZARA_HASH_CRC32_HPP
+
+#define NAZARA_HASH_CRC32
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/HashDigest.hpp>
+#include <Nazara/Core/HashImpl.hpp>
+
+struct NzHashCRC32_state;
+
+class NAZARA_API NzHashCRC32 : public NzHashImpl
+{
+	public:
+		NzHashCRC32(nzUInt32 polynomial = 0x04c11db7);
+		virtual ~NzHashCRC32();
+
+		void Append(const nzUInt8* data, unsigned int len);
+		void Begin();
+		NzHashDigest End();
+
+		static unsigned int GetDigestLength();
+		static NzString GetHashName();
+
+	private:
+		NzHashCRC32_state* m_state;
+};
+
+#undef NAZARA_HASH_CRC32
+
+#endif // NAZARA_HASH_CRC32_HPP