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// XzCrc64Reg.cpp
#include "StdAfx.h"
#include "../../C/CpuArch.h"
#include "../../C/XzCrc64.h"
#include "../Common/MyCom.h"
#include "../7zip/ICoder.h"
#include "../7zip/Common/RegisterCodec.h"
class CXzCrc64Hasher:
public IHasher,
public CMyUnknownImp
{
UInt64 _crc;
public:
CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {}
MY_UNKNOWN_IMP
STDMETHOD_(void, Init)();
STDMETHOD_(void, Update)(const void *data, UInt32 size);
STDMETHOD_(void, Final)(Byte *digest);
STDMETHOD_(UInt32, GetDigestSize)();
};
STDMETHODIMP_(void) CXzCrc64Hasher::Init()
{
_crc = CRC64_INIT_VAL;
}
STDMETHODIMP_(void) CXzCrc64Hasher::Update(const void *data, UInt32 size)
{
_crc = Crc64Update(_crc, data, size);
}
STDMETHODIMP_(void) CXzCrc64Hasher::Final(Byte *digest)
{
UInt64 val = CRC64_GET_DIGEST(_crc);
SetUi64(digest, val);
}
STDMETHODIMP_(UInt32) CXzCrc64Hasher::GetDigestSize()
{
return 8;
}
static IHasher *CreateHasher() { return new CXzCrc64Hasher; }
static CHasherInfo g_HasherInfo = { CreateHasher, 0x4, L"CRC64", 8 };
REGISTER_HASHER(Crc64)
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