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/ICoder.h"
11 #include "../7zip/Common/RegisterCodec.h"
12
13 class CXzCrc64Hasher:
14 public IHasher,
15 public CMyUnknownImp
16 {
17 UInt64 _crc;
18 public:
CXzCrc64Hasher()19 CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {}
20
21 MY_UNKNOWN_IMP
22
23 STDMETHOD_(void, Init)();
24 STDMETHOD_(void, Update)(const void *data, UInt32 size);
25 STDMETHOD_(void, Final)(Byte *digest);
26 STDMETHOD_(UInt32, GetDigestSize)();
27 };
28
STDMETHODIMP_(void)29 STDMETHODIMP_(void) CXzCrc64Hasher::Init()
30 {
31 _crc = CRC64_INIT_VAL;
32 }
33
STDMETHODIMP_(void)34 STDMETHODIMP_(void) CXzCrc64Hasher::Update(const void *data, UInt32 size)
35 {
36 _crc = Crc64Update(_crc, data, size);
37 }
38
STDMETHODIMP_(void)39 STDMETHODIMP_(void) CXzCrc64Hasher::Final(Byte *digest)
40 {
41 UInt64 val = CRC64_GET_DIGEST(_crc);
42 SetUi64(digest, val);
43 }
44
STDMETHODIMP_(UInt32)45 STDMETHODIMP_(UInt32) CXzCrc64Hasher::GetDigestSize()
46 {
47 return 8;
48 }
49
CreateHasher()50 static IHasher *CreateHasher() { return new CXzCrc64Hasher; }
51
52 static CHasherInfo g_HasherInfo = { CreateHasher, 0x4, L"CRC64", 8 };
53
54 REGISTER_HASHER(Crc64)
55