src/Hash_Keccak.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This library is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU Lesser General Public
   7 // License as published by the Free Software Foundation; either
   8 // version 2.1 of the License, or (at your option) any later version.
   9 //
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 // Lesser General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Lesser General Public
  16 // License along with this library; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19 // http://www.gnu.org/licenses/lgpl-2.1.txt
  20 //////////////////////////////////////////////////////////////////////////////////
  21
  22 /***************************************************************************
  23 **                                                                        **
  24 **  QKeccakHash, an API wrapper bringing the optimized implementation of  **
  25 **  Keccak (http://keccak.noekeon.org/) to Qt.                            **
  26 **  Copyright (C) 2013 Emanuel Eichhammer                                 **
  27 **                                                                        **
  28 **  This program is free software: you can redistribute it and/or modify  **
  29 **  it under the terms of the GNU General Public License as published by  **
  30 **  the Free Software Foundation, either version 3 of the License, or     **
  31 **  (at your option) any later version.                                   **
  32 **                                                                        **
  33 **  This program is distributed in the hope that it will be useful,       **
  34 **  but WITHOUT ANY WARRANTY; without even the implied warranty of        **
  35 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         **
  36 **  GNU General Public License for more details.                          **
  37 **                                                                        **
  38 **  You should have received a copy of the GNU General Public License     **
  39 **  along with this program.  If not, see http://www.gnu.org/licenses/.   **
  40 **                                                                        **
  41 ****************************************************************************
  42 **           Author: Emanuel Eichhammer                                   **
  43 **  Website/Contact: http://www.WorksLikeClockwork.com/                   **
  44 **             Date: 12.01.12                                             **
  45 ****************************************************************************/
  46
  47 #include "Hash_Keccak.h"
  48
  49 //MUtils
  50 #include <MUtils/Exception.h>
  51
  52 //Qt
  53 #include <QDebug>
  54
  55 //Implementation
  56 #include "3rd_party/keccak/include/keccak_impl.h"
  57
  58 MUtils::Hash::Keccak::Keccak()
  59 {
  60         m_initialized = false;
  61         m_state = (MUtils::Hash::Internal::KeccakImpl::hashState*) _aligned_malloc(sizeof(MUtils::Hash::Internal::KeccakImpl::hashState), 32);
  62         if(!m_state)
  63         {
  64                 MUTILS_THROW("_aligned_malloc() has failed, probably out of heap space!");
  65         }
  66         memset(m_state, 0, sizeof(MUtils::Hash::Internal::KeccakImpl::hashState));
  67 }
  68
  69 MUtils::Hash::Keccak::~Keccak()
  70 {
  71         if(m_state)
  72         {
  73                 _aligned_free(m_state);
  74                 m_state = NULL;
  75         }
  76 }
  77
  78 bool MUtils::Hash::Keccak::init(const HashBits hashBits)
  79 {
  80         if(m_initialized)
  81         {
  82                 qWarning("MUtils::KeccakHash has already been initialized!");
  83                 return false;
  84         }
  85
  86         memset(m_state, 0, sizeof(MUtils::Hash::Internal::KeccakImpl::hashState));
  87         int hashBitLength = 0;
  88
  89         switch (hashBits)
  90         {
  91                 case hb224: hashBitLength = 224; break;
  92                 case hb256: hashBitLength = 256; break;
  93                 case hb384: hashBitLength = 384; break;
  94                 case hb512: hashBitLength = 512; break;
  95                 default: throw "Invalid hash length!!";
  96         }
  97
  98         if(MUtils::Hash::Internal::KeccakImpl::Init(m_state, hashBitLength) != MUtils::Hash::Internal::KeccakImpl::SUCCESS)
  99         {
 100                 qWarning("KeccakImpl::Init() has failed unexpectedly!");
 101                 return false;
 102         }
 103
 104         m_initialized = true;
 105         return true;
 106 }
 107
 108
 109 bool MUtils::Hash::Keccak::process(const quint8 *const data, const quint32 len)
 110 {
 111         if(!m_initialized)
 112         {
 113                 qWarning("MUtils::KeccakHash has not been initialized yet!");
 114                 return false;
 115         }
 116
 117         if(MUtils::Hash::Internal::KeccakImpl::Update(m_state, (MUtils::Hash::Internal::KeccakImpl::BitSequence*)data, len*8U) != MUtils::Hash::Internal::KeccakImpl::SUCCESS)
 118         {
 119                 qWarning("KeccakImpl::Update() has failed unexpectedly!");
 120                 m_initialized = false;
 121                 return false;
 122         }
 123
 124         return true;
 125 }
 126
 127 QByteArray MUtils::Hash::Keccak::finalize(void)
 128 {
 129         if(!m_initialized)
 130         {
 131                 qWarning("MUtils::KeccakHash has not been initialized yet!");
 132                 return QByteArray();
 133         }
 134
 135         Q_ASSERT(m_state->fixedOutputLength > 0);
 136         Q_ASSERT((m_state->fixedOutputLength % 8) == 0);
 137
 138         QByteArray hashResult(m_state->fixedOutputLength / 8, '\0');
 139         if(MUtils::Hash::Internal::KeccakImpl::Final(m_state, (MUtils::Hash::Internal::KeccakImpl::BitSequence*)hashResult.data()) != MUtils::Hash::Internal::KeccakImpl::SUCCESS)
 140         {
 141                 qWarning("KeccakImpl::Final() has failed unexpectedly!");
 142                 hashResult.clear();
 143         }
 144
 145         m_initialized = false;
 146         return hashResult;
 147 }
 148
 149 MUtils::Hash::Keccak *MUtils::Hash::Keccak::create(const HashBits hashBit, const char *const key)
 150 {
 151         Keccak *const keccak = new Keccak();
 152         if (!keccak->init(hashBit))
 153         {
 154                 MUTILS_THROW("Keccak initialization has failed!");
 155         }
 156         if (key)
 157         {
 158                 keccak->update(((const uint8_t*)key), strlen(key));
 159         }
 160         return keccak;
 161 }
 162
 163 bool MUtils::Hash::Keccak::selfTest(void)
 164 {
 165         Keccak hash;
 166         const QByteArray input("The quick brown fox jumps over the lazy dog");
 167         bool passed[4] = {false, false, false, false};
 168
 169
 170         if(hash.init(MUtils::Hash::Keccak::hb224))
 171         {
 172                 if(hash.update(input))
 173                 {
 174                         QByteArray result = hash.finalize();
 175                         if(!result.isEmpty())
 176                         {
 177                                 passed[0] = (_stricmp(result.toHex().constData(), "310aee6b30c47350576ac2873fa89fd190cdc488442f3ef654cf23fe") == 0);
 178                                 if(!passed[0]) qWarning("MUtils::KeccakHash self-test: Test #1 failed !!!");
 179                         }
 180                 }
 181         }
 182
 183         if(hash.init(MUtils::Hash::Keccak::hb256))
 184         {
 185                 if(hash.update(input))
 186                 {
 187                         QByteArray result = hash.finalize();
 188                         if(!result.isEmpty())
 189                         {
 190                                 passed[1] = (_stricmp(result.toHex().constData(), "4d741b6f1eb29cb2a9b9911c82f56fa8d73b04959d3d9d222895df6c0b28aa15") == 0);
 191                                 if(!passed[1]) qWarning("MUtils::KeccakHash self-test: Test #2 failed !!!");
 192                         }
 193                 }
 194         }
 195
 196         if(hash.init(MUtils::Hash::Keccak::hb384))
 197         {
 198                 if(hash.update(input))
 199                 {
 200                         QByteArray result = hash.finalize();
 201                         if(!result.isEmpty())
 202                         {
 203                                 passed[2] = (_stricmp(result.toHex().constData(), "283990fa9d5fb731d786c5bbee94ea4db4910f18c62c03d173fc0a5e494422e8a0b3da7574dae7fa0baf005e504063b3") == 0);
 204                                 if(!passed[2]) qWarning("MUtils::KeccakHash self-test: Test #3 failed !!!");
 205                         }
 206                 }
 207         }
 208
 209         if(hash.init(MUtils::Hash::Keccak::hb512))
 210         {
 211                 if(hash.update(input))
 212                 {
 213                         QByteArray result = hash.finalize();
 214                         if(!result.isEmpty())
 215                         {
 216                                 passed[3] = (_stricmp(result.toHex().constData(), "d135bb84d0439dbac432247ee573a23ea7d3c9deb2a968eb31d47c4fb45f1ef4422d6c531b5b9bd6f449ebcc449ea94d0a8f05f62130fda612da53c79659f609") == 0);
 217                                 if(!passed[3]) qWarning("MUtils::KeccakHash self-test: Test #4 failed !!!");
 218                         }
 219                 }
 220         }
 221
 222         return (passed[0] && passed[1] && passed[2] && passed[3]);
 223 }