tor-browser

The Tor Browser
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XzCrc64Reg.cpp (815B)

      1 // XzCrc64Reg.cpp
      2 
      3 #include "StdAfx.h"
      4 
      5 #include "../../C/CpuArch.h"
      6 #include "../../C/XzCrc64.h"
      7 
      8 #include "../Common/MyCom.h"
      9 
     10 #include "../7zip/Common/RegisterCodec.h"
     11 
     12 class CXzCrc64Hasher:
     13  public IHasher,
     14  public CMyUnknownImp
     15 {
     16  UInt64 _crc;
     17  Byte mtDummy[1 << 7];
     18 
     19 public:
     20  CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {}
     21 
     22  MY_UNKNOWN_IMP1(IHasher)
     23  INTERFACE_IHasher(;)
     24 };
     25 
     26 STDMETHODIMP_(void) CXzCrc64Hasher::Init() throw()
     27 {
     28  _crc = CRC64_INIT_VAL;
     29 }
     30 
     31 STDMETHODIMP_(void) CXzCrc64Hasher::Update(const void *data, UInt32 size) throw()
     32 {
     33  _crc = Crc64Update(_crc, data, size);
     34 }
     35 
     36 STDMETHODIMP_(void) CXzCrc64Hasher::Final(Byte *digest) throw()
     37 {
     38  UInt64 val = CRC64_GET_DIGEST(_crc);
     39  SetUi64(digest, val);
     40 }
     41 
     42 REGISTER_HASHER(CXzCrc64Hasher, 0x4, "CRC64", 8)