CascadeCRC32.h

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//
// CascadeCRC32.h - header file for class CascadeCRC32
//
// Copyright (c) 2004, Roku, LLC.  All rights reserved.
//

#ifndef _ROKU_INCLUDE_CASCADE_UTIL_CASCADECRC32_H
#define _ROKU_INCLUDE_CASCADE_UTIL_CASCADECRC32_H

#include <cascade/CascadeObject.h>

class CascadeCRC32 : public CascadeObject
{
public:
        CascadeCRC32(u32 nPolynomial = 0x04C11DB7);
        virtual ~CascadeCRC32();

public:
    u32 Calculate(u32 nInitialCRC, const u8 * pData, u32 nDataLen);

private:
    u32 ReflectBits(u32 nVal, u32 nCH);
    u32 m_table[256];
};

#endif // #ifndef _ROKU_INCLUDE_CASCADE_UTIL_CASCADECRC32_H

//  LOG
//  22-Apr-04   dwoodward       created

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