// Sha3Reg.cpp #include "StdAfx.h" #include "../../C/Sha3.h" #include "../Common/MyBuffer2.h" #include "../Common/MyCom.h" #include "../7zip/Common/RegisterCodec.h" Z7_CLASS_IMP_COM_1( CSha3Hasher , IHasher ) unsigned _digestSize; bool _isShake; CAlignedBuffer1 _buf; public: Byte _mtDummy[1 << 7]; CSha3 *Sha() { return (CSha3 *)(void *)(Byte *)_buf; } public: CSha3Hasher(unsigned digestSize, bool isShake, unsigned blockSize): _digestSize(digestSize), _isShake(isShake), _buf(sizeof(CSha3)) { CSha3 *p = Sha(); Sha3_SET_blockSize(p, blockSize) Sha3_Init(Sha()); } }; Z7_COM7F_IMF2(void, CSha3Hasher::Init()) { Sha3_Init(Sha()); } Z7_COM7F_IMF2(void, CSha3Hasher::Update(const void *data, UInt32 size)) { Sha3_Update(Sha(), (const Byte *)data, size); } Z7_COM7F_IMF2(void, CSha3Hasher::Final(Byte *digest)) { Sha3_Final(Sha(), digest, _digestSize, _isShake); } Z7_COM7F_IMF2(UInt32, CSha3Hasher::GetDigestSize()) { return (UInt32)_digestSize; } #define REGISTER_SHA3_HASHER_2(cls, id, name, digestSize, isShake, digestSize_for_blockSize) \ namespace N ## cls { \ static IHasher *CreateHasherSpec() \ { return new CSha3Hasher(digestSize / 8, isShake, \ SHA3_BLOCK_SIZE_FROM_DIGEST_SIZE(digestSize_for_blockSize / 8)); } \ static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, digestSize }; \ struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \ static REGISTER_HASHER_NAME(cls) g_RegisterHasher; } #define REGISTER_SHA3_HASHER( cls, id, name, size, isShake) \ REGISTER_SHA3_HASHER_2(cls, id, name, size, isShake, size) // REGISTER_SHA3_HASHER (Sha3_224_Hasher, 0x230, "SHA3-224", 224, false) REGISTER_SHA3_HASHER (Sha3_256_Hasher, 0x231, "SHA3-256", 256, false) // REGISTER_SHA3_HASHER (Sha3_386_Hasher, 0x232, "SHA3-384", 384, false) // REGISTER_SHA3_HASHER (Sha3_512_Hasher, 0x233, "SHA3-512", 512, false) // REGISTER_SHA3_HASHER (Shake128_Hasher, 0x240, "SHAKE128", 128, true) // REGISTER_SHA3_HASHER (Shake256_Hasher, 0x241, "SHAKE256", 256, true) // REGISTER_SHA3_HASHER_2 (Shake128_512_Hasher, 0x248, "SHAKE128-256", 256, true, 128) // -1344 (max) // REGISTER_SHA3_HASHER_2 (Shake256_512_Hasher, 0x249, "SHAKE256-512", 512, true, 256) // -1088 (max) // Shake supports different digestSize values for same blockSize