xref: /aosp_15_r20/external/lzma/CPP/Common/Sha1Reg.cpp (revision f6dc9357d832569d4d1f5d24eacdb3935a1ae8e6)
1*f6dc9357SAndroid Build Coastguard Worker // Sha1Reg.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/Sha1.h"
6*f6dc9357SAndroid Build Coastguard Worker 
7*f6dc9357SAndroid Build Coastguard Worker #include "../Common/MyBuffer2.h"
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_2(
13*f6dc9357SAndroid Build Coastguard Worker   CSha1Hasher
14*f6dc9357SAndroid Build Coastguard Worker   , IHasher
15*f6dc9357SAndroid Build Coastguard Worker   , ICompressSetCoderProperties
16*f6dc9357SAndroid Build Coastguard Worker )
17*f6dc9357SAndroid Build Coastguard Worker   CAlignedBuffer1 _buf;
18*f6dc9357SAndroid Build Coastguard Worker public:
19*f6dc9357SAndroid Build Coastguard Worker   Byte _mtDummy[1 << 7];
20*f6dc9357SAndroid Build Coastguard Worker 
21*f6dc9357SAndroid Build Coastguard Worker   CSha1 *Sha() { return (CSha1 *)(void *)(Byte *)_buf; }
22*f6dc9357SAndroid Build Coastguard Worker public:
23*f6dc9357SAndroid Build Coastguard Worker   CSha1Hasher():
24*f6dc9357SAndroid Build Coastguard Worker     _buf(sizeof(CSha1))
25*f6dc9357SAndroid Build Coastguard Worker   {
26*f6dc9357SAndroid Build Coastguard Worker     Sha1_SetFunction(Sha(), 0);
27*f6dc9357SAndroid Build Coastguard Worker     Sha1_InitState(Sha());
28*f6dc9357SAndroid Build Coastguard Worker   }
29*f6dc9357SAndroid Build Coastguard Worker };
30*f6dc9357SAndroid Build Coastguard Worker 
31*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CSha1Hasher::Init())
32*f6dc9357SAndroid Build Coastguard Worker {
33*f6dc9357SAndroid Build Coastguard Worker   Sha1_InitState(Sha());
34*f6dc9357SAndroid Build Coastguard Worker }
35*f6dc9357SAndroid Build Coastguard Worker 
36*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CSha1Hasher::Update(const void *data, UInt32 size))
37*f6dc9357SAndroid Build Coastguard Worker {
38*f6dc9357SAndroid Build Coastguard Worker   Sha1_Update(Sha(), (const Byte *)data, size);
39*f6dc9357SAndroid Build Coastguard Worker }
40*f6dc9357SAndroid Build Coastguard Worker 
41*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF2(void, CSha1Hasher::Final(Byte *digest))
42*f6dc9357SAndroid Build Coastguard Worker {
43*f6dc9357SAndroid Build Coastguard Worker   Sha1_Final(Sha(), digest);
44*f6dc9357SAndroid Build Coastguard Worker }
45*f6dc9357SAndroid Build Coastguard Worker 
46*f6dc9357SAndroid Build Coastguard Worker 
47*f6dc9357SAndroid Build Coastguard Worker Z7_COM7F_IMF(CSha1Hasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps))
48*f6dc9357SAndroid Build Coastguard Worker {
49*f6dc9357SAndroid Build Coastguard Worker   unsigned algo = 0;
50*f6dc9357SAndroid Build Coastguard Worker   for (UInt32 i = 0; i < numProps; i++)
51*f6dc9357SAndroid Build Coastguard Worker   {
52*f6dc9357SAndroid Build Coastguard Worker     if (propIDs[i] == NCoderPropID::kDefaultProp)
53*f6dc9357SAndroid Build Coastguard Worker     {
54*f6dc9357SAndroid Build Coastguard Worker       const PROPVARIANT &prop = coderProps[i];
55*f6dc9357SAndroid Build Coastguard Worker       if (prop.vt != VT_UI4)
56*f6dc9357SAndroid Build Coastguard Worker         return E_INVALIDARG;
57*f6dc9357SAndroid Build Coastguard Worker       if (prop.ulVal > 2)
58*f6dc9357SAndroid Build Coastguard Worker         return E_NOTIMPL;
59*f6dc9357SAndroid Build Coastguard Worker       algo = (unsigned)prop.ulVal;
60*f6dc9357SAndroid Build Coastguard Worker     }
61*f6dc9357SAndroid Build Coastguard Worker   }
62*f6dc9357SAndroid Build Coastguard Worker   if (!Sha1_SetFunction(Sha(), algo))
63*f6dc9357SAndroid Build Coastguard Worker     return E_NOTIMPL;
64*f6dc9357SAndroid Build Coastguard Worker   return S_OK;
65*f6dc9357SAndroid Build Coastguard Worker }
66*f6dc9357SAndroid Build Coastguard Worker 
67*f6dc9357SAndroid Build Coastguard Worker REGISTER_HASHER(CSha1Hasher, 0x201, "SHA1", SHA1_DIGEST_SIZE)
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