From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 2 Nov 2017 23:11:29 +0300 Subject: Add implementation --- mysql/extra/yassl/taocrypt/include/hash.hpp | 110 ++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 mysql/extra/yassl/taocrypt/include/hash.hpp (limited to 'mysql/extra/yassl/taocrypt/include/hash.hpp') diff --git a/mysql/extra/yassl/taocrypt/include/hash.hpp b/mysql/extra/yassl/taocrypt/include/hash.hpp new file mode 100644 index 0000000..4d2f7dd --- /dev/null +++ b/mysql/extra/yassl/taocrypt/include/hash.hpp @@ -0,0 +1,110 @@ +/* + Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + MA 02110-1301 USA. +*/ + +/* hash.hpp provides a base for digest types +*/ + + +#ifndef TAO_CRYPT_HASH_HPP +#define TAO_CRYPT_HASH_HPP + +#include "misc.hpp" + +namespace TaoCrypt { + + +// HASH +class HASH : public virtual_base { +public: + virtual ~HASH() {} + + virtual void Update(const byte*, word32) = 0; + virtual void Final(byte*) = 0; + + virtual void Init() = 0; + + virtual word32 getBlockSize() const = 0; + virtual word32 getDigestSize() const = 0; +}; + + +// HASH with Transform +class HASHwithTransform : public HASH { +public: + HASHwithTransform(word32 digSz, word32 buffSz); + virtual ~HASHwithTransform() {} + virtual ByteOrder getByteOrder() const = 0; + virtual word32 getPadSize() const = 0; + + virtual void Update(const byte*, word32); + virtual void Final(byte*); + + word32 GetBitCountLo() const { return loLen_ << 3; } + word32 GetBitCountHi() const { return (loLen_ >> (8*sizeof(loLen_) - 3)) + + (hiLen_ << 3); } + enum { MaxDigestSz = 8, MaxBufferSz = 64 }; +protected: + typedef word32 HashLengthType; + word32 buffLen_; // in bytes + HashLengthType loLen_; // length in bytes + HashLengthType hiLen_; // length in bytes + word32 digest_[MaxDigestSz]; + word32 buffer_[MaxBufferSz / sizeof(word32)]; + + virtual void Transform() = 0; + + void AddLength(word32); +}; + + +#ifdef WORD64_AVAILABLE + +// 64-bit HASH with Transform +class HASH64withTransform : public HASH { +public: + HASH64withTransform(word32 digSz, word32 buffSz); + virtual ~HASH64withTransform() {} + virtual ByteOrder getByteOrder() const = 0; + virtual word32 getPadSize() const = 0; + + virtual void Update(const byte*, word32); + virtual void Final(byte*); + + word32 GetBitCountLo() const { return loLen_ << 3; } + word32 GetBitCountHi() const { return (loLen_ >> (8*sizeof(loLen_) - 3)) + + (hiLen_ << 3); } + enum { MaxDigestSz = 8, MaxBufferSz = 128 }; +protected: + typedef word32 HashLengthType; + word32 buffLen_; // in bytes + HashLengthType loLen_; // length in bytes + HashLengthType hiLen_; // length in bytes + word64 digest_[MaxDigestSz]; + word64 buffer_[MaxBufferSz / sizeof(word64)]; + + virtual void Transform() = 0; + + void AddLength(word32); +}; + +#endif // WORD64_AVAILABLE + + +} // namespace + +#endif // TAO_CRYPT_HASH_HPP -- cgit v1.1