From f19f813537c7aea1c20749c914e756b54a9c3cf5 Mon Sep 17 00:00:00 2001 From: Igor Pavlov <87184205+ip7z@users.noreply.github.com> Date: Mon, 27 Dec 2021 00:00:00 +0000 Subject: '21.07' --- CPP/Common/XzCrc64Reg.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 CPP/Common/XzCrc64Reg.cpp (limited to 'CPP/Common/XzCrc64Reg.cpp') diff --git a/CPP/Common/XzCrc64Reg.cpp b/CPP/Common/XzCrc64Reg.cpp new file mode 100644 index 0000000..33b5249 --- /dev/null +++ b/CPP/Common/XzCrc64Reg.cpp @@ -0,0 +1,42 @@ +// XzCrc64Reg.cpp + +#include "StdAfx.h" + +#include "../../C/CpuArch.h" +#include "../../C/XzCrc64.h" + +#include "../Common/MyCom.h" + +#include "../7zip/Common/RegisterCodec.h" + +class CXzCrc64Hasher: + public IHasher, + public CMyUnknownImp +{ + UInt64 _crc; + Byte mtDummy[1 << 7]; + +public: + CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {} + + MY_UNKNOWN_IMP1(IHasher) + INTERFACE_IHasher(;) +}; + +STDMETHODIMP_(void) CXzCrc64Hasher::Init() throw() +{ + _crc = CRC64_INIT_VAL; +} + +STDMETHODIMP_(void) CXzCrc64Hasher::Update(const void *data, UInt32 size) throw() +{ + _crc = Crc64Update(_crc, data, size); +} + +STDMETHODIMP_(void) CXzCrc64Hasher::Final(Byte *digest) throw() +{ + UInt64 val = CRC64_GET_DIGEST(_crc); + SetUi64(digest, val); +} + +REGISTER_HASHER(CXzCrc64Hasher, 0x4, "CRC64", 8) -- cgit v1.2.3-55-g6feb