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// Sha512Reg.cpp
#include "StdAfx.h"
#include "../../C/Sha512.h"
#include "../Common/MyBuffer2.h"
#include "../Common/MyCom.h"
#include "../7zip/Common/RegisterCodec.h"
Z7_CLASS_IMP_COM_2(
CSha512Hasher
, IHasher
, ICompressSetCoderProperties
)
unsigned _digestSize;
CAlignedBuffer1 _buf;
public:
Byte _mtDummy[1 << 7];
CSha512 *Sha() { return (CSha512 *)(void *)(Byte *)_buf; }
public:
CSha512Hasher(unsigned digestSize):
_digestSize(digestSize),
_buf(sizeof(CSha512))
{
Sha512_SetFunction(Sha(), 0);
Sha512_InitState(Sha(), _digestSize);
}
};
Z7_COM7F_IMF2(void, CSha512Hasher::Init())
{
Sha512_InitState(Sha(), _digestSize);
}
Z7_COM7F_IMF2(void, CSha512Hasher::Update(const void *data, UInt32 size))
{
Sha512_Update(Sha(), (const Byte *)data, size);
}
Z7_COM7F_IMF2(void, CSha512Hasher::Final(Byte *digest))
{
Sha512_Final(Sha(), digest, _digestSize);
}
Z7_COM7F_IMF2(UInt32, CSha512Hasher::GetDigestSize())
{
return (UInt32)_digestSize;
}
Z7_COM7F_IMF(CSha512Hasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps))
{
unsigned algo = 0;
for (UInt32 i = 0; i < numProps; i++)
{
if (propIDs[i] == NCoderPropID::kDefaultProp)
{
const PROPVARIANT &prop = coderProps[i];
if (prop.vt != VT_UI4)
return E_INVALIDARG;
if (prop.ulVal > 2)
return E_NOTIMPL;
algo = (unsigned)prop.ulVal;
}
}
if (!Sha512_SetFunction(Sha(), algo))
return E_NOTIMPL;
return S_OK;
}
#define REGISTER_SHA512_HASHER(cls, id, name, size) \
namespace N ## cls { \
static IHasher *CreateHasherSpec() { return new CSha512Hasher(size); } \
static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, size }; \
struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \
static REGISTER_HASHER_NAME(cls) g_RegisterHasher; }
// REGISTER_SHA512_HASHER (Sha512_224_Hasher, 0x220, "SHA512-224", SHA512_224_DIGEST_SIZE)
// REGISTER_SHA512_HASHER (Sha512_256_Hasher, 0x221, "SHA512-256", SHA512_256_DIGEST_SIZE)
REGISTER_SHA512_HASHER (Sha384Hasher, 0x222, "SHA384", SHA512_384_DIGEST_SIZE)
REGISTER_SHA512_HASHER (Sha512Hasher, 0x223, "SHA512", SHA512_DIGEST_SIZE)
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