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os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/md5impl.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * software md5 implementation

    16 * software md5 implementation

    17 *

    18 */

    19 

    20 

    21 /**

    22  @file

    23 */

    24 

    25 #include "md5impl.h"

    26 #include <cryptospi/hashplugin.h>

    27 #include "pluginconfig.h"

    28 

    29 using namespace SoftwareCrypto;

    30 

    31 	

    32 CMD5Impl* CMD5Impl::NewL()

    33 	{

    34 	CMD5Impl* self=new (ELeave) CMD5Impl();

    35 	self->Reset();

    36 	return self;						

    37 	}

    38 														

    39 CMD5Impl* CMD5Impl::NewLC()

    40 	{

    41 	CMD5Impl* self=NewL();

    42 	CleanupStack::PushL(self);

    43 	return self;						

    44 	}

    45 														

    46 CMD5Impl::CMD5Impl() : iHash(KMD5HashSize)

    47 	{		

    48 	}

    49 	

    50 CMD5Impl::CMD5Impl(const CMD5Impl& aCMD5Impl)

    51 : iHash(aCMD5Impl.iHash),iA(aCMD5Impl.iA),iB(aCMD5Impl.iB),iC(aCMD5Impl.iC),iD(aCMD5Impl.iD),

    52   iNl(aCMD5Impl.iNl),iNh(aCMD5Impl.iNh)

    53 	{

    54 	(void)Mem::Copy(iData, aCMD5Impl.iData, sizeof(iData));

    55 	}

    56 	

    57 CMD5Impl::~CMD5Impl()

    58 	{	

    59 	}

    60 	

    61 void CMD5Impl::Reset()

    62 	{

    63 	iA=0x67452301;

    64 	iB=0xefcdab89;

    65 	iC=0x98badcfe;

    66 	iD=0x10325476;

    67 	iNh=0;

    68 	iNl=0;

    69 	}

    70 	

    71 void CMD5Impl::Close()

    72 	{

    73 	delete this;	

    74 	}

    75 	

    76 void CMD5Impl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)

    77 	{

    78 	aPluginCharacteristics=NULL;

    79 	TInt hashNum=sizeof(KHashCharacteristics)/sizeof(THashCharacteristics*);

    80 	for (TInt i=0;i<hashNum;i++)

    81 		{

    82 		if (KHashCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)

    83 			{

    84 			aPluginCharacteristics = KHashCharacteristics[i];

    85 			break;

    86 			}

    87 		}	

    88 	}

    89 

    90 CExtendedCharacteristics* CMD5Impl::CreateExtendedCharacteristicsL()

    91 	{

    92 	// All Symbian software plug-ins have unlimited concurrency, cannot be reserved

    93 	// for exclusive use and are not CERTIFIED to be standards compliant.

    94 	return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);

    95 	}

    96 

    97 const CExtendedCharacteristics* CMD5Impl::GetExtendedCharacteristicsL()

    98 	{

    99 	return CMD5Impl::CreateExtendedCharacteristicsL();

   100 	}

   101 

   102 TPtrC8 CMD5Impl::Hash(const TDesC8& aMessage)

   103 	{

   104 	

   105 	TPtrC8 ptr(KNullDesC8());

   106 	DoUpdate(aMessage.Ptr(),aMessage.Size());

   107 	StoreState();

   108 	DoFinal();

   109 	ptr.Set(iHash);

   110 	RestoreState();

   111 	return ptr;

   112 	}		

   113 	

   114 void CMD5Impl::Update(const TDesC8& aMessage)

   115 	{

   116 	DoUpdate(aMessage.Ptr(),aMessage.Size());	

   117 	}

   118 	

   119 TPtrC8 CMD5Impl::Final(const TDesC8& aMessage)

   120 	{

   121 	TPtrC8 ptr(KNullDesC8());

   122 	if (aMessage!=KNullDesC8())

   123 		{

   124 		DoUpdate(aMessage.Ptr(),aMessage.Size());			

   125 		}

   126 	DoFinal();

   127 	ptr.Set(iHash);

   128 	Reset();

   129 	return ptr;

   130 	}

   131 	

   132 MHash* CMD5Impl::ReplicateL()

   133 	{	 

   134 	return CMD5Impl::NewL();

   135 	}

   136 	

   137 MHash* CMD5Impl::CopyL()

   138 	{

   139 	return new(ELeave) CMD5Impl(*this);	

   140 	}

   141 

   142 TUid CMD5Impl::ImplementationUid()

   143 	{

   144 	return KCryptoPluginMd5Uid;

   145 	}

   146 

   147 void CMD5Impl::DoUpdate(const TUint8* aData,TUint aLength)

   148 	{

   149 	const TUint8* pend=aData+aLength;	

   150 	for (const TUint8* paData=aData;paData<pend;paData++) 

   151 		{

   152 		const TUint8 byte=*paData;

   153 		switch (iNl&3) 

   154 			{

   155 			case 0:

   156 				iData[iNl>>2]=byte;

   157 				break;

   158 			case 1:

   159 				iData[iNl>>2]|=byte<<8;

   160 				break;

   161 			case 2:

   162 				iData[iNl>>2]|=byte<<16;

   163 				break;

   164 			case 3:

   165 				iData[iNl>>2]|=byte<<24;

   166 				break;

   167 			default:

   168 				break;

   169 			};

   170 		if(++iNl==64) 

   171 			{

   172 			Block();

   173 			iNh+=64;

   174 			iNl=0;

   175 			}

   176 		}

   177 	}

   178 	

   179 static inline TUint CMD5_F(TUint x,TUint y,TUint z)

   180 	{

   181 	return (x&y) | (~x&z);

   182 	}

   183 static inline TUint CMD5_G(TUint x,TUint y,TUint z)

   184 	{

   185 	return (x&z) | (y&~z);

   186 	}

   187 static inline TUint CMD5_H(TUint x,TUint y,TUint z)

   188 	{

   189 	return x^y^z;

   190 	}

   191 static inline TUint CMD5_I(TUint x,TUint y,TUint z)

   192 	{

   193 	return y^(x|~z);

   194 	}

   195 

   196 	

   197 #ifdef NOREFS

   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)

   199 	{

   200 	a+=CMD5_F(b,c,d) + m + t; 

   201 	a=b + CMD_R(a,s);

   202 	return a;

   203 	}

   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)

   205 	{

   206 	a+=CMD5_G(b,c,d) + m + t; 

   207 	a=b + CMD_R(a,s);

   208 	return a;

   209 	}

   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)

   211 	{

   212 	a+=CMD5_H(b,c,d) + m + t; 

   213 	a=b + CMD_R(a,s);

   214 	return a;

   215 	}

   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)

   217 	{

   218 	a+=CMD5_I(b,c,d) + m + t; 

   219 	a=b + CMD_R(a,s);

   220 	return a;

   221 	}

   222 void CMD5Impl::Block()

   223 	{

   224 	register TUint tempA=iA;

   225 	register TUint tempB=iB;

   226 	register TUint tempC=iC;

   227 	register TUint tempD=iD;

   228 

   229 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

   230 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

   231 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

   232 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

   233 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

   234 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

   235 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

   236 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

   237 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

   238 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

   239 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

   240 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

   241 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

   242 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

   243 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

   244 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

   245 

   246 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

   247 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

   248 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

   249 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

   250 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

   251 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

   252 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

   253 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

   254 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

   255 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

   256 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

   257 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

   258 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

   259 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

   260 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

   261 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

   262 

   263 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

   264 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

   265 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

   266 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

   267 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

   268 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

   269 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

   270 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

   271 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

   272 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa);

   273 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085);

   274 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05);

   275 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

   276 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

   277 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8);

   278 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665);

   279 

   280 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244);

   281 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97);

   282 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7);

   283 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039);

   284 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3);

   285 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92);

   286 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d);

   287 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1);

   288 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f);

   289 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0);

   290 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314);

   291 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1);

   292 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82);

   293 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235);

   294 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb);

   295 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391);

   296 

   297 	iA+=tempA;

   298 	iB+=tempB;

   299 	iC+=tempC;

   300 	iD+=tempD;

   301 	}

   302 #else

   303 #ifdef MACRO

   304 #define CMD5_FF(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_F(b,c,d) + m + t, s))

   305 #define CMD5_GG(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_G(b,c,d) + m + t, s))

   306 #define CMD5_HH(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_H(b,c,d) + m + t, s))

   307 #define CMD5_II(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_I(b,c,d) + m + t, s))

   308 void CMD5Impl::Block()

   309 	{

   310 	register TUint tempA=iA;

   311 	register TUint tempB=iB;

   312 	register TUint tempC=iC;

   313 	register TUint tempD=iD;

   314 

   315 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

   316 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

   317 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

   318 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

   319 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

   320 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

   321 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

   322 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

   323 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

   324 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

   325 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

   326 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

   327 	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

   328 	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

   329 	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

   330 	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

   331 

   332 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

   333 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

   334 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

   335 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

   336 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

   337 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

   338 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

   339 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

   340 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

   341 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

   342 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

   343 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

   344 	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

   345 	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

   346 	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

   347 	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

   348 

   349 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

   350 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

   351 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

   352 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

   353 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

   354 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

   355 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

   356 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

   357 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

   358 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa);

   359 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085);

   360 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05);

   361 	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

   362 	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

   363 	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8);

   364 	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665);

   365 

   366 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244);

   367 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97);

   368 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7);

   369 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039);

   370 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3);

   371 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92);

   372 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d);

   373 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1);

   374 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f);

   375 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0);

   376 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314);

   377 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1);

   378 	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82);

   379 	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235);

   380 	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb);

   381 	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391);

   382 

   383 	iA+=tempA;

   384 	iB+=tempB;

   385 	iC+=tempC;

   386 	iD+=tempD;

   387 	}

   388 #else

   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)

   390 	{

   391 	a+=CMD5_F(b,c,d) + m + t; 

   392 	a=b + CMD_R(a,s);

   393 	}

   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)

   395 	{

   396 	a+=CMD5_G(b,c,d) + m + t; 

   397 	a=b + CMD_R(a,s);

   398 	}

   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)

   400 	{

   401 	a+=CMD5_H(b,c,d) + m + t; 

   402 	a=b + CMD_R(a,s);

   403 	}

   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)

   405 	{

   406 	a+=CMD5_I(b,c,d) + m + t; 

   407 	a=b + CMD_R(a,s);

   408 	}

   409 void CMD5Impl::Block()

   410 	{

   411 	register TUint tempA=iA;

   412 	register TUint tempB=iB;

   413 	register TUint tempC=iC;

   414 	register TUint tempD=iD;

   415 

   416 	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

   417 	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

   418 	CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

   419 	CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

   420 	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

   421 	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

   422 	CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

   423 	CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

   424 	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

   425 	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

   426 	CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

   427 	CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

   428 	CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

   429 	CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

   430 	CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

   431 	CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

   432 

   433 	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

   434 	CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

   435 	CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

   436 	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

   437 	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

   438 	CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

   439 	CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

   440 	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

   441 	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

   442 	CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

   443 	CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

   444 	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

   445 	CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

   446 	CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

   447 	CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

   448 	CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

   449 

   450 	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

   451 	CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

   452 	CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

   453 	CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

   454 	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

   455 	CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

   456 	CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

   457 	CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

   458 	CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

   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);

   462 	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

   463 	CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

   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
Symaptic