CPP/Common/Sha256Reg.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

// Sha256Reg.cpp

#include "StdAfx.h"

#include "../../C/Sha256.h"

#include "../Common/MyCom.h"

#include "../7zip/Common/RegisterCodec.h"

class CSha256Hasher:
  public IHasher,
  public CMyUnknownImp
{
  CSha256 _sha;
  Byte mtDummy[1 << 7];

public:
  CSha256Hasher() { Sha256_Init(&_sha); }

  MY_UNKNOWN_IMP
  INTERFACE_IHasher(;)
};

STDMETHODIMP_(void) CSha256Hasher::Init() throw()
{
  Sha256_Init(&_sha);
}

STDMETHODIMP_(void) CSha256Hasher::Update(const void *data, UInt32 size) throw()
{
  Sha256_Update(&_sha, (const Byte *)data, size);
}

STDMETHODIMP_(void) CSha256Hasher::Final(Byte *digest) throw()
{
  Sha256_Final(&_sha, digest);
}

REGISTER_HASHER(CSha256Hasher, 0xA, "SHA256", SHA256_DIGEST_SIZE)