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Diffstat (limited to 'CPP/Common/Sha3Reg.cpp')
-rw-r--r-- | CPP/Common/Sha3Reg.cpp | 76 |
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 | |||
12 | Z7_CLASS_IMP_COM_1( | ||
13 | CSha3Hasher | ||
14 | , IHasher | ||
15 | ) | ||
16 | unsigned _digestSize; | ||
17 | bool _isShake; | ||
18 | CAlignedBuffer1 _buf; | ||
19 | public: | ||
20 | Byte _mtDummy[1 << 7]; | ||
21 | |||
22 | CSha3 *Sha() { return (CSha3 *)(void *)(Byte *)_buf; } | ||
23 | public: | ||
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 | |||
35 | Z7_COM7F_IMF2(void, CSha3Hasher::Init()) | ||
36 | { | ||
37 | Sha3_Init(Sha()); | ||
38 | } | ||
39 | |||
40 | Z7_COM7F_IMF2(void, CSha3Hasher::Update(const void *data, UInt32 size)) | ||
41 | { | ||
42 | Sha3_Update(Sha(), (const Byte *)data, size); | ||
43 | } | ||
44 | |||
45 | Z7_COM7F_IMF2(void, CSha3Hasher::Final(Byte *digest)) | ||
46 | { | ||
47 | Sha3_Final(Sha(), digest, _digestSize, _isShake); | ||
48 | } | ||
49 | |||
50 | Z7_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) | ||
69 | REGISTER_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 | ||