xref: /aosp_15_r20/external/lzma/CPP/Common/XzCrc64Reg.cpp (revision f6dc9357d832569d4d1f5d24eacdb3935a1ae8e6)
1*f6dc9357SAndroid Build Coastguard Worker // XzCrc64Reg.cpp
2*f6dc9357SAndroid Build Coastguard Worker 
3*f6dc9357SAndroid Build Coastguard Worker #include "StdAfx.h"
4*f6dc9357SAndroid Build Coastguard Worker 
5*f6dc9357SAndroid Build Coastguard Worker #include "../../C/CpuArch.h"
6*f6dc9357SAndroid Build Coastguard Worker #include "../../C/XzCrc64.h"
7*f6dc9357SAndroid Build Coastguard Worker 
8*f6dc9357SAndroid Build Coastguard Worker #include "../Common/MyCom.h"
9*f6dc9357SAndroid Build Coastguard Worker 
10*f6dc9357SAndroid Build Coastguard Worker #include "../7zip/Common/RegisterCodec.h"
11*f6dc9357SAndroid Build Coastguard Worker 
12*f6dc9357SAndroid Build Coastguard Worker Z7_CLASS_IMP_COM_1(
13*f6dc9357SAndroid Build Coastguard Worker   CXzCrc64Hasher
14*f6dc9357SAndroid Build Coastguard Worker   , IHasher
15*f6dc9357SAndroid Build Coastguard Worker )
16*f6dc9357SAndroid Build Coastguard Worker   UInt64 _crc;
17*f6dc9357SAndroid Build Coastguard Worker public:
18*f6dc9357SAndroid Build Coastguard Worker   Byte _mtDummy[1 << 7];  // it's public to eliminate clang warning: unused private field
19*f6dc9357SAndroid Build Coastguard Worker 
20*f6dc9357SAndroid Build Coastguard Worker   CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {}
21*f6dc9357SAndroid Build Coastguard Worker };
22*f6dc9357SAndroid Build Coastguard Worker 
23*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CXzCrc64Hasher::Init())
24*f6dc9357SAndroid Build Coastguard Worker {
25*f6dc9357SAndroid Build Coastguard Worker   _crc = CRC64_INIT_VAL;
26*f6dc9357SAndroid Build Coastguard Worker }
27*f6dc9357SAndroid Build Coastguard Worker 
28*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CXzCrc64Hasher::Update(const void *data, UInt32 size))
29*f6dc9357SAndroid Build Coastguard Worker {
30*f6dc9357SAndroid Build Coastguard Worker   _crc = Crc64Update(_crc, data, size);
31*f6dc9357SAndroid Build Coastguard Worker }
32*f6dc9357SAndroid Build Coastguard Worker 
33*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CXzCrc64Hasher::Final(Byte *digest))
34*f6dc9357SAndroid Build Coastguard Worker {
35*f6dc9357SAndroid Build Coastguard Worker   const UInt64 val = CRC64_GET_DIGEST(_crc);
36*f6dc9357SAndroid Build Coastguard Worker   SetUi64(digest, val)
37*f6dc9357SAndroid Build Coastguard Worker }
38*f6dc9357SAndroid Build Coastguard Worker 
39*f6dc9357SAndroid Build Coastguard Worker REGISTER_HASHER(CXzCrc64Hasher, 0x4, "CRC64", 8)
40