aboutsummaryrefslogtreecommitdiff
path: root/CPP/Common/Sha3Reg.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'CPP/Common/Sha3Reg.cpp')
-rw-r--r--CPP/Common/Sha3Reg.cpp76
1 files changed, 76 insertions, 0 deletions
diff --git a/CPP/Common/Sha3Reg.cpp b/CPP/Common/Sha3Reg.cpp
new file mode 100644
index 0000000..95db25e
--- /dev/null
+++ b/CPP/Common/Sha3Reg.cpp
@@ -0,0 +1,76 @@
1// Sha3Reg.cpp
2
3#include "StdAfx.h"
4
5#include "../../C/Sha3.h"
6
7#include "../Common/MyBuffer2.h"
8#include "../Common/MyCom.h"
9
10#include "../7zip/Common/RegisterCodec.h"
11
12Z7_CLASS_IMP_COM_1(
13 CSha3Hasher
14 , IHasher
15)
16 unsigned _digestSize;
17 bool _isShake;
18 CAlignedBuffer1 _buf;
19public:
20 Byte _mtDummy[1 << 7];
21
22 CSha3 *Sha() { return (CSha3 *)(void *)(Byte *)_buf; }
23public:
24 CSha3Hasher(unsigned digestSize, bool isShake, unsigned blockSize):
25 _digestSize(digestSize),
26 _isShake(isShake),
27 _buf(sizeof(CSha3))
28 {
29 CSha3 *p = Sha();
30 Sha3_SET_blockSize(p, blockSize)
31 Sha3_Init(Sha());
32 }
33};
34
35Z7_COM7F_IMF2(void, CSha3Hasher::Init())
36{
37 Sha3_Init(Sha());
38}
39
40Z7_COM7F_IMF2(void, CSha3Hasher::Update(const void *data, UInt32 size))
41{
42 Sha3_Update(Sha(), (const Byte *)data, size);
43}
44
45Z7_COM7F_IMF2(void, CSha3Hasher::Final(Byte *digest))
46{
47 Sha3_Final(Sha(), digest, _digestSize, _isShake);
48}
49
50Z7_COM7F_IMF2(UInt32, CSha3Hasher::GetDigestSize())
51{
52 return (UInt32)_digestSize;
53}
54
55
56#define REGISTER_SHA3_HASHER_2(cls, id, name, digestSize, isShake, digestSize_for_blockSize) \
57 namespace N ## cls { \
58 static IHasher *CreateHasherSpec() \
59 { return new CSha3Hasher(digestSize / 8, isShake, \
60 SHA3_BLOCK_SIZE_FROM_DIGEST_SIZE(digestSize_for_blockSize / 8)); } \
61 static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, digestSize }; \
62 struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \
63 static REGISTER_HASHER_NAME(cls) g_RegisterHasher; }
64
65#define REGISTER_SHA3_HASHER( cls, id, name, size, isShake) \
66 REGISTER_SHA3_HASHER_2(cls, id, name, size, isShake, size)
67
68// REGISTER_SHA3_HASHER (Sha3_224_Hasher, 0x230, "SHA3-224", 224, false)
69REGISTER_SHA3_HASHER (Sha3_256_Hasher, 0x231, "SHA3-256", 256, false)
70// REGISTER_SHA3_HASHER (Sha3_386_Hasher, 0x232, "SHA3-384", 384, false)
71// REGISTER_SHA3_HASHER (Sha3_512_Hasher, 0x233, "SHA3-512", 512, false)
72// REGISTER_SHA3_HASHER (Shake128_Hasher, 0x240, "SHAKE128", 128, true)
73// REGISTER_SHA3_HASHER (Shake256_Hasher, 0x241, "SHAKE256", 256, true)
74// REGISTER_SHA3_HASHER_2 (Shake128_512_Hasher, 0x248, "SHAKE128-256", 256, true, 128) // -1344 (max)
75// REGISTER_SHA3_HASHER_2 (Shake256_512_Hasher, 0x249, "SHAKE256-512", 512, true, 256) // -1088 (max)
76// Shake supports different digestSize values for same blockSize