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1 /* |
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2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * software md4 implementation |
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16 * software md4 implementation |
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17 * |
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18 */ |
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19 |
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20 |
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21 /** |
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22 @file |
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23 */ |
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24 |
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25 #include "md4impl.h" |
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26 #include <cryptospi/hashplugin.h> |
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27 #include "pluginconfig.h" |
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28 |
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29 |
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30 using namespace SoftwareCrypto; |
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31 |
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32 |
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33 CMD4Impl* CMD4Impl::NewL() |
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34 { |
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35 CMD4Impl* self=new (ELeave) CMD4Impl(); |
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36 self->Reset(); |
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37 return self; |
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38 } |
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39 |
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40 CMD4Impl* CMD4Impl::NewLC() |
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41 { |
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42 CMD4Impl* self=NewL(); |
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43 CleanupStack::PushL(self); |
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44 return self; |
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45 } |
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46 |
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47 CMD4Impl::CMD4Impl() : iHash(KMD4HashSize) |
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48 { |
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49 } |
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50 |
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51 CMD4Impl::CMD4Impl(const CMD4Impl& aCMD4Impl) |
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52 : iHash(aCMD4Impl.iHash),iA(aCMD4Impl.iA),iB(aCMD4Impl.iB),iC(aCMD4Impl.iC),iD(aCMD4Impl.iD), |
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53 iNl(aCMD4Impl.iNl),iNh(aCMD4Impl.iNh) |
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54 { |
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55 (void)Mem::Copy(iData, aCMD4Impl.iData, sizeof(iData)); |
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56 } |
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57 |
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58 CMD4Impl::~CMD4Impl() |
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59 { |
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60 } |
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61 |
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62 void CMD4Impl::Reset() |
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63 { |
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64 iA=0x67452301; |
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65 iB=0xefcdab89; |
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66 iC=0x98badcfe; |
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67 iD=0x10325476; |
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68 iNh=0; |
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69 iNl=0; |
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70 } |
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71 |
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72 void CMD4Impl::Close() |
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73 { |
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74 delete this; |
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75 } |
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76 |
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77 void CMD4Impl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics) |
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78 { |
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79 aPluginCharacteristics=NULL; |
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80 TInt hashNum=sizeof(KHashCharacteristics)/sizeof(THashCharacteristics*); |
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81 for (TInt i=0;i<hashNum;i++) |
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82 { |
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83 if (KHashCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid) |
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84 { |
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85 aPluginCharacteristics = KHashCharacteristics[i]; |
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86 break; |
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87 } |
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88 } |
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89 } |
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90 |
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91 CExtendedCharacteristics* CMD4Impl::CreateExtendedCharacteristicsL() |
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92 { |
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93 // All Symbian software plug-ins have unlimited concurrency, cannot be reserved |
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94 // for exclusive use and are not CERTIFIED to be standards compliant. |
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95 return CExtendedCharacteristics::NewL(KMaxTInt, EFalse); |
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96 } |
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97 const CExtendedCharacteristics* CMD4Impl::GetExtendedCharacteristicsL() |
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98 { |
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99 return CMD4Impl::CreateExtendedCharacteristicsL(); |
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100 } |
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101 |
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102 TPtrC8 CMD4Impl::Hash(const TDesC8& aMessage) |
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103 { |
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104 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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105 StoreState(); |
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106 DoFinal(); |
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107 RestoreState(); |
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108 return iHash; |
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109 } |
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110 |
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111 void CMD4Impl::Update(const TDesC8& aMessage) |
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112 { |
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113 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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114 } |
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115 |
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116 TPtrC8 CMD4Impl::Final(const TDesC8& aMessage) |
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117 { |
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118 if (aMessage!=KNullDesC8()) |
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119 { |
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120 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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121 } |
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122 DoFinal(); |
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123 Reset(); |
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124 return iHash; |
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125 } |
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126 |
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127 MHash* CMD4Impl::ReplicateL() |
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128 { |
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129 return CMD4Impl::NewL(); |
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130 } |
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131 |
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132 MHash* CMD4Impl::CopyL() |
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133 { |
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134 return new(ELeave) CMD4Impl(*this); |
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135 } |
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136 |
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137 TUid CMD4Impl::ImplementationUid() |
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138 { |
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139 return KCryptoPluginMd4Uid; |
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140 } |
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141 |
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142 void CMD4Impl::DoUpdate(const TUint8* aData,TUint aLength) |
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143 { |
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144 const TUint8* pend=aData+aLength; |
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145 for (const TUint8* paData=aData;paData<pend;paData++) |
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146 { |
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147 const TUint8 byte=*paData; |
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148 switch (iNl&3) |
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149 { |
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150 case 0: |
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151 iData[iNl>>2]=byte; |
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152 break; |
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153 case 1: |
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154 iData[iNl>>2]|=byte<<8; |
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155 break; |
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156 case 2: |
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157 iData[iNl>>2]|=byte<<16; |
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158 break; |
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159 case 3: |
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160 iData[iNl>>2]|=byte<<24; |
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161 break; |
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162 default: |
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163 break; |
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164 }; |
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165 if(++iNl==64) |
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166 { |
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167 Block(); |
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168 iNh+=64; |
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169 iNl=0; |
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170 } |
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171 } |
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172 } |
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173 |
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174 static inline TUint CMD4_F(TUint x,TUint y,TUint z) |
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175 { |
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176 return (x&y) | (~x&z); |
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177 } |
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178 static inline TUint CMD4_G(TUint x,TUint y,TUint z) |
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179 { |
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180 return (x&y) | (x&z) | (y&z); |
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181 } |
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182 static inline TUint CMD4_H(TUint x,TUint y,TUint z) |
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183 { |
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184 return x^y^z; |
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185 } |
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186 |
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187 |
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188 #ifdef NOREFS |
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189 static inline TUint CMD4_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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190 { |
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191 a+=CMD4_F(b,c,d) + x; |
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192 a=CMD_R(a,s); |
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193 return a; |
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194 } |
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195 static inline TUint CMD4_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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196 { |
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197 a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999; |
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198 a=CMD_R(a,s); |
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199 return a; |
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200 } |
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201 static inline TUint CMD4_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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202 { |
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203 a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1; |
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204 a=CMD_R(a,s); |
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205 return a; |
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206 } |
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207 |
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208 void CMD4Impl::Block() |
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209 { |
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210 register TUint tempA=iA; |
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211 register TUint tempB=iB; |
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212 register TUint tempC=iC; |
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213 register TUint tempD=iD; |
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214 |
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215 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3); |
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216 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7); |
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217 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11); |
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218 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19); |
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219 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3); |
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220 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7); |
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221 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11); |
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222 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19); |
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223 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3); |
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224 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7); |
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225 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11); |
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226 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19); |
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227 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3); |
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228 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7); |
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229 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11); |
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230 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19); |
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231 |
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232 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3); |
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233 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5); |
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234 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9); |
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235 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13); |
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236 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3); |
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237 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5); |
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238 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9); |
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239 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13); |
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240 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3); |
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241 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5); |
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242 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9); |
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243 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13); |
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244 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3); |
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245 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5); |
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246 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9); |
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247 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13); |
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248 |
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249 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3); |
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250 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9); |
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251 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11); |
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252 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15); |
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253 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3); |
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254 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9); |
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255 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11); |
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256 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15); |
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257 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3); |
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258 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9); |
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259 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11); |
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260 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15); |
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261 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3); |
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262 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9); |
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263 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11); |
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264 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15); |
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265 |
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266 iA+=tempA; |
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267 iB+=tempB; |
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268 iC+=tempC; |
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269 iD+=tempD; |
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270 } |
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271 #else |
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272 #ifdef MACRO |
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273 #define CMD4_FF(a, b, c, d, x, s) (CMD_R(a += CMD4_F(b,c,d) + x, s)) |
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274 #define CMD4_GG(a, b, c, d, x, s) (CMD_R(a += CMD4_G(b,c,d) + x + (TUint32)0x5a827999, s)) |
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275 #define CMD4_HH(a, b, c, d, x, s) (CMD_R(a += CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1, s)) |
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276 void CMD4Impl::Block() |
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277 { |
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278 register TUint tempA=iA; |
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279 register TUint tempB=iB; |
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280 register TUint tempC=iC; |
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281 register TUint tempD=iD; |
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282 |
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283 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3); |
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284 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7); |
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285 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11); |
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286 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19); |
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287 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3); |
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288 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7); |
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289 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11); |
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290 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19); |
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291 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3); |
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292 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7); |
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293 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11); |
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294 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19); |
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295 tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3); |
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296 tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7); |
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297 tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11); |
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298 tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19); |
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299 |
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300 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3); |
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301 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5); |
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302 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9); |
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303 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13); |
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304 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3); |
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305 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5); |
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306 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9); |
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307 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13); |
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308 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3); |
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309 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5); |
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310 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9); |
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311 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13); |
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312 tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3); |
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313 tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5); |
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314 tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9); |
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315 tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13); |
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316 |
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317 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3); |
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318 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9); |
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319 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11); |
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320 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15); |
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321 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3); |
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322 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9); |
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323 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11); |
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324 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15); |
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325 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3); |
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326 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9); |
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327 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11); |
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328 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15); |
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329 tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3); |
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330 tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9); |
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331 tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11); |
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332 tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15); |
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333 |
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334 iA+=tempA; |
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335 iB+=tempB; |
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336 iC+=tempC; |
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337 iD+=tempD; |
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338 } |
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339 #else |
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340 static inline void CMD4_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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341 { |
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342 a+=CMD4_F(b,c,d) + x; |
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343 a=CMD_R(a,s); |
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344 } |
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345 static inline void CMD4_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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346 { |
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347 a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999; |
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348 a=CMD_R(a,s); |
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349 } |
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350 static inline void CMD4_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s) |
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351 { |
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352 a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1; |
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353 a=CMD_R(a,s); |
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354 } |
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355 |
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356 void CMD4Impl::Block() |
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357 { |
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358 register TUint tempA=iA; |
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359 register TUint tempB=iB; |
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360 register TUint tempC=iC; |
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361 register TUint tempD=iD; |
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362 |
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363 CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3); |
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364 CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7); |
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365 CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11); |
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366 CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19); |
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367 CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3); |
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368 CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7); |
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369 CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11); |
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370 CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19); |
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371 CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3); |
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372 CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7); |
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373 CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11); |
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374 CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19); |
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375 CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3); |
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376 CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7); |
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377 CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11); |
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378 CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19); |
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379 |
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380 CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3); |
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381 CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5); |
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382 CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9); |
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383 CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13); |
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384 CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3); |
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385 CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5); |
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386 CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9); |
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387 CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13); |
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388 CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3); |
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389 CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5); |
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390 CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9); |
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391 CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13); |
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392 CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3); |
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393 CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5); |
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394 CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9); |
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395 CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13); |
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396 |
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397 CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3); |
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398 CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9); |
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399 CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11); |
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400 CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15); |
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401 CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3); |
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402 CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9); |
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403 CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11); |
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404 CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15); |
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405 CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3); |
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406 CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9); |
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407 CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11); |
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408 CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15); |
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409 CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3); |
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410 CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9); |
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411 CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11); |
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412 CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15); |
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413 |
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414 iA+=tempA; |
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415 iB+=tempB; |
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416 iC+=tempC; |
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417 iD+=tempD; |
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418 } |
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419 #endif |
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420 #endif |
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421 |
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422 void CMD4Impl::DoFinal(void) |
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423 { |
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424 iNh += iNl; |
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425 const TUint ul128=128; |
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426 switch (iNl&3) |
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427 { |
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428 case 0: |
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429 iData[iNl>>2] = ul128; |
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430 break; |
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431 case 1: |
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432 iData[iNl>>2] += ul128<<8; |
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433 break; |
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434 case 2: |
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435 iData[iNl>>2] += ul128<<16; |
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436 break; |
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437 case 3: |
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438 iData[iNl>>2] += ul128<<24; |
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439 break; |
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440 default: |
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441 break; |
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442 }; |
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443 if (iNl>=56) |
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444 { |
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445 if (iNl<60) |
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446 iData[15]=0; |
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447 Block(); |
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448 Mem::FillZ(iData,14*sizeof(TUint)); |
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449 } |
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450 else |
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451 { |
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452 const TUint offset=(iNl+4)>>2; |
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453 Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint)); |
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454 } |
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455 |
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456 iData[14]=iNh<<3;//number in bits |
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457 // this will fail if the total input length is longer than 2^32 in bits |
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458 //(2^31 in bytes) which is roughly half a gig. |
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459 iData[15]=0; |
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460 |
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461 Block(); |
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462 // |
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463 // Generate hash value into iHash |
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464 // |
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465 TUint tmp=iA; |
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466 iHash[0]=(TUint8)(tmp & 255); |
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467 iHash[1]=(TUint8)((tmp >>= 8) & 255); |
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468 iHash[2]=(TUint8)((tmp >>= 8) & 255); |
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469 iHash[3]=(TUint8)((tmp >>= 8) & 255); |
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470 |
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471 tmp=iB; |
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472 iHash[4]=(TUint8)(tmp & 255); |
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473 iHash[5]=(TUint8)((tmp >>= 8) & 255); |
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474 iHash[6]=(TUint8)((tmp >>= 8) & 255); |
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475 iHash[7]=(TUint8)((tmp >>= 8) & 255); |
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476 |
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477 tmp=iC; |
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478 iHash[8] =(TUint8)(tmp & 255); |
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479 iHash[9] =(TUint8)((tmp >>= 8) & 255); |
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480 iHash[10]=(TUint8)((tmp >>= 8) & 255); |
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481 iHash[11]=(TUint8)((tmp >>= 8) & 255); |
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482 |
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483 tmp=iD; |
|
484 iHash[12]=(TUint8)(tmp & 255); |
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485 iHash[13]=(TUint8)((tmp >>= 8) & 255); |
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486 iHash[14]=(TUint8)((tmp >>= 8) & 255); |
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487 iHash[15]=(TUint8)((tmp >>= 8) & 255); |
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488 } |
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489 |
|
490 void CMD4Impl::RestoreState() |
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491 { |
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492 iA = iACopy; |
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493 iB = iBCopy; |
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494 iC = iCCopy; |
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495 iD = iDCopy; |
|
496 iNl = iNlCopy; |
|
497 iNh = iNhCopy; |
|
498 Mem::Copy(&iData[0], &iDataCopy[0], KMD4BlockSize*sizeof(TUint)); |
|
499 } |
|
500 |
|
501 void CMD4Impl::StoreState() |
|
502 { |
|
503 iACopy = iA; |
|
504 iBCopy = iB; |
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505 iCCopy = iC; |
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506 iDCopy = iD; |
|
507 iNlCopy = iNl; |
|
508 iNhCopy = iNh; |
|
509 Mem::Copy(&iDataCopy[0], &iData[0], KMD4BlockSize*sizeof(TUint)); |
|
510 } |
|
511 |
|
512 |
|
513 // Implemented in hmacimpl.cpp or softwarehashbase.cpp |
|
514 // but required as derived from MHash. No coverage here. |
|
515 #ifdef _BullseyeCoverage |
|
516 #pragma suppress_warnings on |
|
517 #pragma BullseyeCoverage off |
|
518 #pragma suppress_warnings off |
|
519 #endif |
|
520 |
|
521 TAny* CMD4Impl::GetExtension(TUid /*aExtensionId*/) |
|
522 { |
|
523 return NULL; |
|
524 } |
|
525 |
|
526 void CMD4Impl::SetOperationModeL(TUid /*aOperationMode*/) |
|
527 { |
|
528 User::Leave(KErrNotSupported); |
|
529 } |
|
530 |
|
531 void CMD4Impl::SetKeyL(const CKey& /*aKey*/) |
|
532 { |
|
533 User::Leave(KErrNotSupported); |
|
534 } |
|
535 |
|
536 |
|
537 |
|
538 |