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1 /* |
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2 * Copyright (c) 2006-2009 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 md5 implementation |
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16 * software md5 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 "md5impl.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 using namespace SoftwareCrypto; |
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30 |
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31 |
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32 CMD5Impl* CMD5Impl::NewL() |
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33 { |
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34 CMD5Impl* self=new (ELeave) CMD5Impl(); |
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35 self->Reset(); |
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36 return self; |
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37 } |
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38 |
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39 CMD5Impl* CMD5Impl::NewLC() |
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40 { |
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41 CMD5Impl* self=NewL(); |
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42 CleanupStack::PushL(self); |
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43 return self; |
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44 } |
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45 |
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46 CMD5Impl::CMD5Impl() : iHash(KMD5HashSize) |
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47 { |
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48 } |
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49 |
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50 CMD5Impl::CMD5Impl(const CMD5Impl& aCMD5Impl) |
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51 : iHash(aCMD5Impl.iHash),iA(aCMD5Impl.iA),iB(aCMD5Impl.iB),iC(aCMD5Impl.iC),iD(aCMD5Impl.iD), |
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52 iNl(aCMD5Impl.iNl),iNh(aCMD5Impl.iNh) |
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53 { |
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54 (void)Mem::Copy(iData, aCMD5Impl.iData, sizeof(iData)); |
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55 } |
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56 |
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57 CMD5Impl::~CMD5Impl() |
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58 { |
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59 } |
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60 |
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61 void CMD5Impl::Reset() |
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62 { |
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63 iA=0x67452301; |
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64 iB=0xefcdab89; |
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65 iC=0x98badcfe; |
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66 iD=0x10325476; |
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67 iNh=0; |
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68 iNl=0; |
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69 } |
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70 |
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71 void CMD5Impl::Close() |
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72 { |
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73 delete this; |
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74 } |
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75 |
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76 void CMD5Impl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics) |
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77 { |
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78 aPluginCharacteristics=NULL; |
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79 TInt hashNum=sizeof(KHashCharacteristics)/sizeof(THashCharacteristics*); |
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80 for (TInt i=0;i<hashNum;i++) |
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81 { |
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82 if (KHashCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid) |
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83 { |
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84 aPluginCharacteristics = KHashCharacteristics[i]; |
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85 break; |
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86 } |
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87 } |
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88 } |
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89 |
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90 CExtendedCharacteristics* CMD5Impl::CreateExtendedCharacteristicsL() |
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91 { |
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92 // All Symbian software plug-ins have unlimited concurrency, cannot be reserved |
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93 // for exclusive use and are not CERTIFIED to be standards compliant. |
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94 return CExtendedCharacteristics::NewL(KMaxTInt, EFalse); |
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95 } |
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96 |
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97 const CExtendedCharacteristics* CMD5Impl::GetExtendedCharacteristicsL() |
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98 { |
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99 return CMD5Impl::CreateExtendedCharacteristicsL(); |
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100 } |
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101 |
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102 TPtrC8 CMD5Impl::Hash(const TDesC8& aMessage) |
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103 { |
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104 |
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105 TPtrC8 ptr(KNullDesC8()); |
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106 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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107 StoreState(); |
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108 DoFinal(); |
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109 ptr.Set(iHash); |
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110 RestoreState(); |
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111 return ptr; |
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112 } |
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113 |
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114 void CMD5Impl::Update(const TDesC8& aMessage) |
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115 { |
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116 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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117 } |
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118 |
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119 TPtrC8 CMD5Impl::Final(const TDesC8& aMessage) |
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120 { |
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121 TPtrC8 ptr(KNullDesC8()); |
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122 if (aMessage!=KNullDesC8()) |
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123 { |
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124 DoUpdate(aMessage.Ptr(),aMessage.Size()); |
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125 } |
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126 DoFinal(); |
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127 ptr.Set(iHash); |
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128 Reset(); |
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129 return ptr; |
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130 } |
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131 |
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132 MHash* CMD5Impl::ReplicateL() |
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133 { |
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134 return CMD5Impl::NewL(); |
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135 } |
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136 |
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137 MHash* CMD5Impl::CopyL() |
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138 { |
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139 return new(ELeave) CMD5Impl(*this); |
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140 } |
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141 |
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142 TUid CMD5Impl::ImplementationUid() |
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143 { |
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144 return KCryptoPluginMd5Uid; |
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145 } |
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146 |
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147 void CMD5Impl::DoUpdate(const TUint8* aData,TUint aLength) |
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148 { |
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149 const TUint8* pend=aData+aLength; |
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150 for (const TUint8* paData=aData;paData<pend;paData++) |
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151 { |
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152 const TUint8 byte=*paData; |
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153 switch (iNl&3) |
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154 { |
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155 case 0: |
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156 iData[iNl>>2]=byte; |
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157 break; |
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158 case 1: |
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159 iData[iNl>>2]|=byte<<8; |
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160 break; |
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161 case 2: |
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162 iData[iNl>>2]|=byte<<16; |
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163 break; |
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164 case 3: |
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165 iData[iNl>>2]|=byte<<24; |
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166 break; |
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167 default: |
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168 break; |
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169 }; |
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170 if(++iNl==64) |
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171 { |
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172 Block(); |
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173 iNh+=64; |
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174 iNl=0; |
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175 } |
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176 } |
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177 } |
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178 |
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179 static inline TUint CMD5_F(TUint x,TUint y,TUint z) |
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180 { |
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181 return (x&y) | (~x&z); |
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182 } |
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183 static inline TUint CMD5_G(TUint x,TUint y,TUint z) |
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184 { |
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185 return (x&z) | (y&~z); |
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186 } |
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187 static inline TUint CMD5_H(TUint x,TUint y,TUint z) |
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188 { |
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189 return x^y^z; |
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190 } |
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191 static inline TUint CMD5_I(TUint x,TUint y,TUint z) |
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192 { |
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193 return y^(x|~z); |
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194 } |
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195 |
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196 |
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197 #ifdef NOREFS |
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198 static inline TUint CMD5_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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199 { |
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200 a+=CMD5_F(b,c,d) + m + t; |
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201 a=b + CMD_R(a,s); |
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202 return a; |
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203 } |
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204 static inline TUint CMD5_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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205 { |
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206 a+=CMD5_G(b,c,d) + m + t; |
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207 a=b + CMD_R(a,s); |
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208 return a; |
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209 } |
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210 static inline TUint CMD5_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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211 { |
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212 a+=CMD5_H(b,c,d) + m + t; |
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213 a=b + CMD_R(a,s); |
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214 return a; |
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215 } |
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216 static inline TUint CMD5_II(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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217 { |
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218 a+=CMD5_I(b,c,d) + m + t; |
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219 a=b + CMD_R(a,s); |
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220 return a; |
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221 } |
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222 void CMD5Impl::Block() |
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223 { |
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224 register TUint tempA=iA; |
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225 register TUint tempB=iB; |
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226 register TUint tempC=iC; |
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227 register TUint tempD=iD; |
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228 |
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229 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
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230 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
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231 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
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232 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
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233 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
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234 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
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235 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
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236 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
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237 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
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238 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
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239 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
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240 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
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241 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
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242 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
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243 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
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244 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
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245 |
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246 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
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247 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
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248 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
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249 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
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250 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
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251 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
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252 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
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253 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
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254 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
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255 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
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256 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
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257 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
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258 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
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259 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
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260 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
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261 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
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262 |
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263 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
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264 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
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265 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
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266 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
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267 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
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268 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
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269 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
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270 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
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271 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
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272 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
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273 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
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274 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
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275 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
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276 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
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277 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
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278 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
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279 |
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280 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
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281 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
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282 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
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283 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
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284 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
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285 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
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286 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
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287 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
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288 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
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289 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
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290 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
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291 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
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292 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
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293 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
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294 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
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295 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
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296 |
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297 iA+=tempA; |
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298 iB+=tempB; |
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299 iC+=tempC; |
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300 iD+=tempD; |
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301 } |
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302 #else |
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303 #ifdef MACRO |
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304 #define CMD5_FF(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_F(b,c,d) + m + t, s)) |
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305 #define CMD5_GG(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_G(b,c,d) + m + t, s)) |
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306 #define CMD5_HH(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_H(b,c,d) + m + t, s)) |
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307 #define CMD5_II(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_I(b,c,d) + m + t, s)) |
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308 void CMD5Impl::Block() |
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309 { |
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310 register TUint tempA=iA; |
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311 register TUint tempB=iB; |
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312 register TUint tempC=iC; |
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313 register TUint tempD=iD; |
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314 |
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315 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
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316 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
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317 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
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318 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
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319 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
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320 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
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321 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
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322 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
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323 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
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324 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
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325 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
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326 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
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327 tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
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328 tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
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329 tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
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330 tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
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331 |
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332 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
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333 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
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334 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
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335 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
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336 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
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337 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
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338 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
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339 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
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340 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
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341 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
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342 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
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343 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
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344 tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
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345 tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
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346 tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
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347 tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
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348 |
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349 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
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350 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
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351 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
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352 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
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353 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
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354 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
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355 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
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356 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
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357 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
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358 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
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359 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
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360 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
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361 tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
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362 tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
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363 tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
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364 tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
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365 |
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366 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
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367 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
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368 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
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369 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
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370 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
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371 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
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372 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
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373 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
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374 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
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375 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
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376 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
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377 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
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378 tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
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379 tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
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380 tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
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381 tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
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382 |
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383 iA+=tempA; |
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384 iB+=tempB; |
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385 iC+=tempC; |
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386 iD+=tempD; |
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387 } |
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388 #else |
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389 static inline void CMD5_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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390 { |
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391 a+=CMD5_F(b,c,d) + m + t; |
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392 a=b + CMD_R(a,s); |
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393 } |
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394 static inline void CMD5_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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395 { |
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396 a+=CMD5_G(b,c,d) + m + t; |
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397 a=b + CMD_R(a,s); |
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398 } |
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399 static inline void CMD5_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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400 { |
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401 a+=CMD5_H(b,c,d) + m + t; |
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402 a=b + CMD_R(a,s); |
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403 } |
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404 static inline void CMD5_II(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t) |
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405 { |
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406 a+=CMD5_I(b,c,d) + m + t; |
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407 a=b + CMD_R(a,s); |
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408 } |
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409 void CMD5Impl::Block() |
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410 { |
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411 register TUint tempA=iA; |
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412 register TUint tempB=iB; |
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413 register TUint tempC=iC; |
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414 register TUint tempD=iD; |
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415 |
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416 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478); |
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417 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756); |
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418 CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db); |
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419 CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee); |
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420 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf); |
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421 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a); |
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422 CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613); |
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423 CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501); |
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424 CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8); |
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425 CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af); |
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426 CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1); |
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427 CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be); |
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428 CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122); |
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429 CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193); |
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430 CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e); |
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431 CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821); |
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432 |
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433 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562); |
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434 CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340); |
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435 CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51); |
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436 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa); |
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437 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d); |
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438 CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453); |
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439 CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681); |
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440 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8); |
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441 CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6); |
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442 CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6); |
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443 CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87); |
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444 CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed); |
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445 CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905); |
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446 CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8); |
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447 CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9); |
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448 CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a); |
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449 |
|
450 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942); |
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451 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681); |
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452 CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122); |
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453 CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c); |
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454 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44); |
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455 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9); |
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456 CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60); |
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457 CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70); |
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458 CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6); |
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459 CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa); |
|
460 CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085); |
|
461 CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05); |
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462 CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039); |
|
463 CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5); |
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464 CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8); |
|
465 CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665); |
|
466 |
|
467 CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244); |
|
468 CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97); |
|
469 CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7); |
|
470 CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039); |
|
471 CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3); |
|
472 CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92); |
|
473 CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d); |
|
474 CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1); |
|
475 CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f); |
|
476 CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0); |
|
477 CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314); |
|
478 CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1); |
|
479 CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82); |
|
480 CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235); |
|
481 CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb); |
|
482 CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391); |
|
483 |
|
484 iA+=tempA; |
|
485 iB+=tempB; |
|
486 iC+=tempC; |
|
487 iD+=tempD; |
|
488 } |
|
489 #endif |
|
490 #endif |
|
491 |
|
492 void CMD5Impl::DoFinal(void) |
|
493 { |
|
494 iNh += iNl; |
|
495 const TUint ul128=128; |
|
496 switch (iNl&3) |
|
497 { |
|
498 case 0: |
|
499 iData[iNl>>2] = ul128; |
|
500 break; |
|
501 case 1: |
|
502 iData[iNl>>2] += ul128<<8; |
|
503 break; |
|
504 case 2: |
|
505 iData[iNl>>2] += ul128<<16; |
|
506 break; |
|
507 case 3: |
|
508 iData[iNl>>2] += ul128<<24; |
|
509 break; |
|
510 default: |
|
511 break; |
|
512 }; |
|
513 if (iNl>=56) |
|
514 { |
|
515 if (iNl<60) |
|
516 iData[15]=0; |
|
517 Block(); |
|
518 Mem::FillZ(iData,14*sizeof(TUint)); |
|
519 } |
|
520 else |
|
521 { |
|
522 const TUint offset=(iNl+4)>>2; |
|
523 Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint)); |
|
524 } |
|
525 |
|
526 iData[14]=iNh<<3;//number in bits |
|
527 // this will fail if the total input length is longer than 2^32 in bits |
|
528 //(2^31 in bytes) which is roughly half a gig. |
|
529 iData[15]=0; |
|
530 Block(); |
|
531 // |
|
532 // Generate hash value into iHash |
|
533 // |
|
534 TUint tmp=iA; |
|
535 iHash[0]=(TUint8)(tmp & 255); |
|
536 iHash[1]=(TUint8)((tmp >>= 8) & 255); |
|
537 iHash[2]=(TUint8)((tmp >>= 8) & 255); |
|
538 iHash[3]=(TUint8)((tmp >>= 8) & 255); |
|
539 |
|
540 tmp=iB; |
|
541 iHash[4]=(TUint8)(tmp & 255); |
|
542 iHash[5]=(TUint8)((tmp >>= 8) & 255); |
|
543 iHash[6]=(TUint8)((tmp >>= 8) & 255); |
|
544 iHash[7]=(TUint8)((tmp >>= 8) & 255); |
|
545 |
|
546 tmp=iC; |
|
547 iHash[8]=(TUint8)(tmp & 255); |
|
548 iHash[9]=(TUint8)((tmp >>= 8) & 255); |
|
549 iHash[10]=(TUint8)((tmp >>= 8) & 255); |
|
550 iHash[11]=(TUint8)((tmp >>= 8) & 255); |
|
551 |
|
552 tmp=iD; |
|
553 iHash[12]=(TUint8)(tmp & 255); |
|
554 iHash[13]=(TUint8)((tmp >>= 8) & 255); |
|
555 iHash[14]=(TUint8)((tmp >>= 8) & 255); |
|
556 iHash[15]=(TUint8)((tmp >>= 8) & 255); |
|
557 } |
|
558 |
|
559 void CMD5Impl::RestoreState() |
|
560 { |
|
561 iA = iACopy; |
|
562 iB = iBCopy; |
|
563 iC = iCCopy; |
|
564 iD = iDCopy; |
|
565 iNl = iNlCopy; |
|
566 iNh = iNhCopy; |
|
567 Mem::Copy(&iData[0], &iDataCopy[0], KMD5BlockSize*sizeof(TUint)); |
|
568 } |
|
569 |
|
570 void CMD5Impl::StoreState() |
|
571 { |
|
572 iACopy = iA; |
|
573 iBCopy = iB; |
|
574 iCCopy = iC; |
|
575 iDCopy = iD; |
|
576 iNlCopy = iNl; |
|
577 iNhCopy = iNh; |
|
578 Mem::Copy(&iDataCopy[0], &iData[0], KMD5BlockSize*sizeof(TUint)); |
|
579 } |
|
580 |
|
581 |
|
582 // Implemented in hmacimpl.cpp or softwarehashbase.cpp |
|
583 // but required as derived from MHash. No coverage here. |
|
584 #ifdef _BullseyeCoverage |
|
585 #pragma suppress_warnings on |
|
586 #pragma BullseyeCoverage off |
|
587 #pragma suppress_warnings off |
|
588 #endif |
|
589 |
|
590 TAny* CMD5Impl::GetExtension(TUid /*aExtensionId*/) |
|
591 { |
|
592 return NULL; |
|
593 } |
|
594 |
|
595 void CMD5Impl::SetOperationModeL(TUid /*aOperationMode*/) |
|
596 { |
|
597 User::Leave(KErrNotSupported); |
|
598 } |
|
599 |
|
600 void CMD5Impl::SetKeyL(const CKey& /*aKey*/) |
|
601 { |
|
602 User::Leave(KErrNotSupported); |
|
603 } |
|
604 |