Symaptic: os/kernelhwsrv/kerneltest/f32test/loader/security/t

     1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // f32test\loader\security\t_sfhash.cpp

    15 //

    16 //

    18 #include "t_hash.h"

    19 #define EXPANDLOOP

    22 static inline TUint CMD_R(TUint a,TUint s)

    23 	{

    24 	return (a<<s) | (a>>(32-s));

    25 	}

    27 CSHA1::CSHA1(void)

    28 : iHash(SHA1_HASH)

    29 	{

    30 	}

    32 CSHA1* CSHA1::NewL(void)

    33 	{

    34 	CSHA1* self=new(ELeave) CSHA1;

    35 	self->Reset();

    36 	return self;

    37 	}

    39 void CSHA1::Update(const TDesC8& aMessage)

    40 	{

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

    42 	}

    44 TPtrC8 CSHA1::Final()

    45 	{

    46 	TPtrC8 ptr(KNullDesC8());

    47 	DoFinal();

    48 	ptr.Set(iHash);

    49 	Reset();

    50 	return ptr;

    51 	}

    53 CSHA1::~CSHA1(void)

    54 	{

    55 	}

    57 void CSHA1::Reset(void)

    58 	{

    59 	iA=0x67452301;

    60 	iB=0xefcdab89;

    61 	iC=0x98badcfe;

    62 	iD=0x10325476;

    63 	iE=0xc3d2e1f0;

    64 	iNh=0;

    65 	iNl=0;

    66 	}

    68 // This assumes a big-endian architecture

    69 void CSHA1::DoUpdate(const TUint8* aData,TUint aLength)

    70 	{

    71 	while((aLength / 4) > 0 && (iNl % 4 == 0))

    72 		{

    73 		iData[iNl>>2] = aData[0] << 24 | aData[1] << 16 | aData[2] << 8 | aData[3];

    74 		iNl+=4;

    75 		aData+=4;

    76 		aLength-=4;

    77 		if(iNl==64)

    78 			{

    79 			Block();

    80 			iNh+=64;

    81 			iNl=0;

    82 			}

    83 		}

    85 	while(aLength--)

    86 		{

    87 		switch (iNl&3)

    88 			{

    89 			case 0:

    90 				iData[iNl>>2]=((TUint)(*aData))<<24;

    91 				break;

    92 			case 1:

    93 				iData[iNl>>2]|=((TUint)(*aData))<<16;

    94 				break;

    95 			case 2:

    96 				iData[iNl>>2]|=((TUint)(*aData))<<8;

    97 				break;

    98 			case 3:

    99 				iData[iNl>>2]|=((TUint)(*aData));

   100 				break;

   101 			default:

   102 				break;

   103 			};

   104 			aData++;

   105 			iNl++;

   106 			if(iNl==64)

   107 				{

   108 				Block();

   109 				iNh+=64;

   110 				iNl=0;

   111 				}

   112 		}

   113 	}

   115 static inline TUint CSHA1_F(const TUint x,const TUint y,const TUint z)

   116 	{

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

   118 	}

   120 static inline TUint CSHA1_G(const TUint x,const TUint y,const TUint z)

   121 	{

   122 	return x^y^z;

   123 	}

   125 static inline TUint CSHA1_H(const TUint x,const TUint y,const TUint z)

   126 	{

   127 	return (x&y) | (x&z) | (y&z);

   128 	}

   130 /*static inline TUint CSHA1_I(const TUint x,const TUint y,const TUint z)

   131 	{

   132 	return x^y^z;

   133 	}*/

   135 #ifdef EXPANDLOOP

   137 #ifdef MACRO

   139 #define CSHA1_16(x,y,z,u,t,v,w)					v=CMD_R(x,5)+CSHA1_F(y,z,u)+t+w+0x5a827999;\

   140 												y=CMD_R(y,30);t=v;

   141 #define CSHA1_20(x,y,z,u,t,v,w0,w3,w8,w14,w16)  v=w3^w8^w14^w16;w0=CMD_R(v,1);\

   142 												CSHA1_16(x,y,z,u,t,v,w0);

   143 #define CSHA1_40(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\

   144 												v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0x6ed9eba1;\

   145 												y=CMD_R(y,30);t=v;

   146 #define CSHA1_60(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\

   147 												v=CMD_R(x,5)+CSHA1_H(y,z,u)+t+w0+0x8f1bbcdc;\

   148 												y=CMD_R(y,30);t=v;

   149 #define CSHA1_80(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\

   150 												v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0xca62c1d6;\

   151 												y=CMD_R(y,30);t=v;

   152 #else

   154 static inline void CSHA1_16(const TUint x, TUint& y, const TUint z,

   155 							const TUint u, TUint& t, TUint& v, const TUint w)

   156 	{

   157 	v = CMD_R(x,5) + CSHA1_F(y,z,u) + t + w + 0x5a827999;

   158 	y = CMD_R(y,30);

   159 	t = v;

   160 	}

   162 static inline void CSHA1_20(const TUint x,TUint& y,const TUint z,

   163 							const TUint u,TUint& t,TUint& v,

   164 							TUint& w0,const TUint w3,const TUint w8,

   165 							const TUint w14,const TUint w16)

   166 	{

   167 	v = w3 ^ w8 ^ w14 ^ w16;

   168 	w0 = CMD_R(v,1);

   169 	CSHA1_16(x,y,z,u,t,v,w0);

   170 	}

   172 static inline void CSHA1_40(const TUint x,TUint& y,const TUint z,

   173 							const TUint u,TUint& t,TUint& v,

   174 							TUint& w0,const TUint w3,const TUint w8,

   175 							const TUint w14,const TUint w16)

   176 	{

   177 	v = w3 ^ w8 ^ w14 ^ w16;

   178 	w0 = CMD_R(v,1);

   179 	v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0x6ed9eba1;

   180 	y = CMD_R(y,30);

   181 	t = v;

   182 	}

   184 static inline void CSHA1_60(const TUint x,TUint& y,const TUint z,

   185 							const TUint u,TUint& t,TUint& v,

   186 							TUint& w0,const TUint w3,const TUint w8,

   187 							const TUint w14,const TUint w16)

   188 	{

   189 	v = w3 ^ w8 ^ w14 ^ w16;

   190 	w0 = CMD_R(v,1);

   191 	v = CMD_R(x,5) + CSHA1_H(y,z,u) + t + w0 + 0x8f1bbcdc;

   192 	y = CMD_R(y,30);

   193 	t = v;

   194 	}

   196 static inline void CSHA1_80(const TUint x,TUint& y,const TUint z,

   197 							const TUint u,TUint& t,TUint& v,

   198 							TUint& w0,const TUint w3,const TUint w8,

   199 							const TUint w14,const TUint w16)

   200 	{

   201 	v = w3 ^ w8 ^ w14 ^ w16;

   202 	w0 = CMD_R(v,1);

   203 	v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0xca62c1d6;

   204 	y = CMD_R(y,30);

   205 	t = v;

   206 	}

   208 #endif // MACRO

   209 #endif // EXPANDLOOP

   211 #ifdef WEIDAI

   213 template <class T> inline T rotlFixed(T x, unsigned int y)

   214 {

   215 	ASSERT(y < sizeof(T)*8);

   216 	return (x<<y) | (x>>(sizeof(T)*8-y));

   217 }

   219 template<> inline TUint32 rotlFixed<TUint32>(TUint32 x, unsigned int y)

   220 {

   221 	ASSERT(y < 32);

   222 	return y ? CMD_R(x, y) : x;

   223 }

   225 #define blk0(i) (W[i] = iData[i])

   226 #define blk1(i) (W[i&15] = rotlFixed(W[(i+13)&15]^W[(i+8)&15]^W[(i+2)&15]^W[i&15],1))

   228 #define f1(x,y,z) (z^(x&(y^z)))

   229 #define f2(x,y,z) (x^y^z)

   230 #define f3(x,y,z) ((x&y)|(z&(x|y)))

   231 #define f4(x,y,z) (x^y^z)

   233 /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */

   234 #define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);

   235 #define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);

   236 #define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rotlFixed(v,5);w=rotlFixed(w,30);

   237 #define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rotlFixed(v,5);w=rotlFixed(w,30);

   238 #define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rotlFixed(v,5);w=rotlFixed(w,30);

   240 #endif // WEIDAI

   242 void CSHA1::Block()

   243 	{

   244 #ifdef WEIDAI

   245 	TUint32 W[16];

   246     /* Copy context->state[] to working vars */

   247     TUint32 a = iA;

   248     TUint32 b = iB;

   249     TUint32 c = iC;

   250     TUint32 d = iD;

   251     TUint32 e = iE;

   253 	/* 4 rounds of 20 operations each. Loop unrolled. */

   255 	R0(a,b,c,d,e, 0);

   256 	R0(e,a,b,c,d, 1);

   257 	R0(d,e,a,b,c, 2);

   258 	R0(c,d,e,a,b, 3);

   259     R0(b,c,d,e,a, 4);

   260 	R0(a,b,c,d,e, 5);

   261 	R0(e,a,b,c,d, 6);

   262 	R0(d,e,a,b,c, 7);

   263     R0(c,d,e,a,b, 8);

   264 	R0(b,c,d,e,a, 9);

   265 	R0(a,b,c,d,e,10);

   266 	R0(e,a,b,c,d,11);

   267     R0(d,e,a,b,c,12);

   268 	R0(c,d,e,a,b,13);

   269 	R0(b,c,d,e,a,14);

   270 	R0(a,b,c,d,e,15);

   272     R1(e,a,b,c,d,16);

   273 	R1(d,e,a,b,c,17);

   274 	R1(c,d,e,a,b,18);

   275 	R1(b,c,d,e,a,19);

   277     R2(a,b,c,d,e,20);

   278 	R2(e,a,b,c,d,21);

   279 	R2(d,e,a,b,c,22);

   280 	R2(c,d,e,a,b,23);

   281     R2(b,c,d,e,a,24);

   282 	R2(a,b,c,d,e,25);

   283 	R2(e,a,b,c,d,26);

   284 	R2(d,e,a,b,c,27);

   285     R2(c,d,e,a,b,28);

   286 	R2(b,c,d,e,a,29);

   287 	R2(a,b,c,d,e,30);

   288 	R2(e,a,b,c,d,31);

   289     R2(d,e,a,b,c,32);

   290 	R2(c,d,e,a,b,33);

   291 	R2(b,c,d,e,a,34);

   292 	R2(a,b,c,d,e,35);

   293     R2(e,a,b,c,d,36);

   294 	R2(d,e,a,b,c,37);

   295 	R2(c,d,e,a,b,38);

   296 	R2(b,c,d,e,a,39);

   298     R3(a,b,c,d,e,40);

   299 	R3(e,a,b,c,d,41);

   300 	R3(d,e,a,b,c,42);

   301 	R3(c,d,e,a,b,43);

   302     R3(b,c,d,e,a,44);

   303 	R3(a,b,c,d,e,45);

   304 	R3(e,a,b,c,d,46);

   305 	R3(d,e,a,b,c,47);

   306     R3(c,d,e,a,b,48);

   307 	R3(b,c,d,e,a,49);

   308 	R3(a,b,c,d,e,50);

   309 	R3(e,a,b,c,d,51);

   310     R3(d,e,a,b,c,52);

   311 	R3(c,d,e,a,b,53);

   312 	R3(b,c,d,e,a,54);

   313 	R3(a,b,c,d,e,55);

   314     R3(e,a,b,c,d,56);

   315 	R3(d,e,a,b,c,57);

   316 	R3(c,d,e,a,b,58);

   317 	R3(b,c,d,e,a,59);

   319     R4(a,b,c,d,e,60);

   320 	R4(e,a,b,c,d,61);

   321 	R4(d,e,a,b,c,62);

   322 	R4(c,d,e,a,b,63);

   323     R4(b,c,d,e,a,64);

   324 	R4(a,b,c,d,e,65);

   325 	R4(e,a,b,c,d,66);

   326 	R4(d,e,a,b,c,67);

   327     R4(c,d,e,a,b,68);

   328 	R4(b,c,d,e,a,69);

   329 	R4(a,b,c,d,e,70);

   330 	R4(e,a,b,c,d,71);

   331     R4(d,e,a,b,c,72);

   332 	R4(c,d,e,a,b,73);

   333 	R4(b,c,d,e,a,74);

   334 	R4(a,b,c,d,e,75);

   335     R4(e,a,b,c,d,76);

   336 	R4(d,e,a,b,c,77);

   337 	R4(c,d,e,a,b,78);

   338 	R4(b,c,d,e,a,79);

   340 	/* Add the working vars back into context.state[] */

   341     iA += a;

   342     iB += b;

   343     iC += c;

   344     iD += d;

   345     iE += e;

   346     /* Wipe variables */

   347     a = b = c = d = e = 0;

   348 	Mem::FillZ(W, sizeof(W));

   349 #else

   350 	TUint tempA=iA;

   351 	TUint tempB=iB;

   352 	TUint tempC=iC;

   353 	TUint tempD=iD;

   354 	TUint tempE=iE;

   355 	TUint temp=0;

   357 #ifdef EXPANDLOOP

   358 	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[0]);

   359 	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[1]);

   360 	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[2]);

   361 	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[3]);

   362 	CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[4]);

   363 	CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[5]);

   364 	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[6]);

   365 	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[7]);

   366 	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[8]);

   367 	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[9]);

   368 	CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[10]);

   369 	CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[11]);

   370 	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[12]);

   371 	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[13]);

   372 	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[14]);

   373 	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[15]);

   374 	/*

   375 	i = 16;

   376 	TUint temp1 = tempA;

   377 	tempA =

   378 	*/

   379 #else

   380     TUint i=0;

   381 	while (i<16)

   382 		{

   383 		temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999;

   384 		tempE = tempD;

   385 		tempD = tempC;

   386 		tempC = CMD_R(tempB,30);

   387 		tempB = tempA;

   388 		tempA = temp;

   389 		}

   390 #endif

   392 #ifdef EXPANDLOOP

   393 	CSHA1_20(tempC,tempD,tempE,temp,tempA,tempB,iData[16],iData[13],iData[8],iData[2],iData[0]);

   394 	CSHA1_20(tempB,tempC,tempD,tempE,temp,tempA,iData[17],iData[14],iData[9],iData[3],iData[1]);

   395 	CSHA1_20(tempA,tempB,tempC,tempD,tempE,temp,iData[18],iData[15],iData[10],iData[4],iData[2]);

   396 	CSHA1_20(temp,tempA,tempB,tempC,tempD,tempE,iData[19],iData[16],iData[11],iData[5],iData[3]);

   397 	//i = 20;

   398 #else

   399 	while (i<20)

   400 		{

   401 		temp=iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];

   402 		iData[i]=CMD_R(temp,1);

   403 		temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999;

   404 		tempE = tempD;

   405 		tempD = tempC;

   406 		tempC = CMD_R(tempB,30);

   407 		tempB = tempA;

   408 		tempA = temp;

   409 		}

   410 #endif

   412 #ifdef EXPANDLOOP

   413 	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[20],iData[17],iData[12],iData[6],iData[4]);

   414 	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[21],iData[18],iData[13],iData[7],iData[5]);

   415 	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[22],iData[19],iData[14],iData[8],iData[6]);

   416 	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[23],iData[20],iData[15],iData[9],iData[7]);

   417 	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[24],iData[21],iData[16],iData[10],iData[8]);

   418 	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[25],iData[22],iData[17],iData[11],iData[9]);

   419 	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[26],iData[23],iData[18],iData[12],iData[10]);

   420 	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[27],iData[24],iData[19],iData[13],iData[11]);

   421 	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[28],iData[25],iData[20],iData[14],iData[12]);

   422 	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[29],iData[26],iData[21],iData[15],iData[13]);

   423 	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[30],iData[27],iData[22],iData[16],iData[14]);

   424 	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[31],iData[28],iData[23],iData[17],iData[15]);

   425 	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[32],iData[29],iData[24],iData[18],iData[16]);

   426 	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[33],iData[30],iData[25],iData[19],iData[17]);

   427 	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[34],iData[31],iData[26],iData[20],iData[18]);

   428 	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[35],iData[32],iData[27],iData[21],iData[19]);

   429 	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[36],iData[33],iData[28],iData[22],iData[20]);

   430 	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[37],iData[34],iData[29],iData[23],iData[21]);

   431 	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[38],iData[35],iData[30],iData[24],iData[22]);

   432 	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[39],iData[36],iData[31],iData[25],iData[23]);

   433 	//i = 40;

   434 #else

   435 	while (i<40)

   436 		{

   437 		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];

   438 		iData[i] = CMD_R(temp,1);

   440 		temp = CMD_R(tempA,5) + CSHA1_G(tempB,tempC,tempD) + tempE + iData[i++] + 0x6ed9eba1;

   441 		tempE = tempD;

   442 		tempD = tempC;

   443 		tempC = CMD_R(tempB,30);

   444 		tempB = tempA;

   445 		tempA = temp;

   446 		}

   447 #endif

   449 #ifdef EXPANDLOOP

   450 	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[40],iData[37],iData[32],iData[26],iData[24]);

   451 	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[41],iData[38],iData[33],iData[27],iData[25]);

   452 	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[42],iData[39],iData[34],iData[28],iData[26]);

   453 	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[43],iData[40],iData[35],iData[29],iData[27]);

   454 	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[44],iData[41],iData[36],iData[30],iData[28]);

   455 	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[45],iData[42],iData[37],iData[31],iData[29]);

   456 	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[46],iData[43],iData[38],iData[32],iData[30]);

   457 	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[47],iData[44],iData[39],iData[33],iData[31]);

   458 	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[48],iData[45],iData[40],iData[34],iData[32]);

   459 	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[49],iData[46],iData[41],iData[35],iData[33]);

   460 	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[50],iData[47],iData[42],iData[36],iData[34]);

   461 	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[51],iData[48],iData[43],iData[37],iData[35]);

   462 	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[52],iData[49],iData[44],iData[38],iData[36]);

   463 	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[53],iData[50],iData[45],iData[39],iData[37]);

   464 	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[54],iData[51],iData[46],iData[40],iData[38]);

   465 	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[55],iData[52],iData[47],iData[41],iData[39]);

   466 	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[56],iData[53],iData[48],iData[42],iData[40]);

   467 	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[57],iData[54],iData[49],iData[43],iData[41]);

   468 	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[58],iData[55],iData[50],iData[44],iData[42]);

   469 	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[59],iData[56],iData[51],iData[45],iData[43]);

   470 	//i = 60;

   471 #else

   472 	while (i<60)

   473 		{

   474 		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];

   475 		iData[i] = CMD_R(temp,1);

   477 		temp = CMD_R(tempA,5) + CSHA1_H(tempB,tempC,tempD) + tempE + iData[i++] + 0x8f1bbcdc;

   478 		tempE = tempD;

   479 		tempD = tempC;

   480 		tempC = CMD_R(tempB,30);

   481 		tempB = tempA;

   482 		tempA = temp;

   483 		}

   484 #endif

   486 #ifdef EXPANDLOOP

   487 	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[60],iData[57],iData[52],iData[46],iData[44]);

   488 	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[61],iData[58],iData[53],iData[47],iData[45]);

   489 	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[62],iData[59],iData[54],iData[48],iData[46]);

   490 	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[63],iData[60],iData[55],iData[49],iData[47]);

   491 	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[64],iData[61],iData[56],iData[50],iData[48]);

   492 	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[65],iData[62],iData[57],iData[51],iData[49]);

   493 	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[66],iData[63],iData[58],iData[52],iData[50]);

   494 	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[67],iData[64],iData[59],iData[53],iData[51]);

   495 	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[68],iData[65],iData[60],iData[54],iData[52]);

   496 	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[69],iData[66],iData[61],iData[55],iData[53]);

   497 	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[70],iData[67],iData[62],iData[56],iData[54]);

   498 	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[71],iData[68],iData[63],iData[57],iData[55]);

   499 	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[72],iData[69],iData[64],iData[58],iData[56]);

   500 	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[73],iData[70],iData[65],iData[59],iData[57]);

   501 	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[74],iData[71],iData[66],iData[60],iData[58]);

   502 	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[75],iData[72],iData[67],iData[61],iData[59]);

   503 	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[76],iData[73],iData[68],iData[62],iData[60]);

   504 	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[77],iData[74],iData[69],iData[63],iData[61]);

   505 	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[78],iData[75],iData[70],iData[64],iData[62]);

   506 	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[79],iData[76],iData[71],iData[65],iData[63]);

   507 #else

   508 	const TUint total=SHA1_LBLOCK*5; // 16 * 5 = 80

   509 	while (i<total)

   510 		{

   511 		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];

   512 		iData[i] = CMD_R(temp,1);

   514 		temp = CMD_R(tempA,5) + CSHA1_I(tempB,tempC,tempD) + tempE + iData[i++] + 0xca62c1d6;

   515 		tempE = tempD;

   516 		tempD = tempC;

   517 		tempC = CMD_R(tempB,30);

   518 		tempB = tempA;

   519 		tempA = temp;

   520 		}

   521 #endif

   523 #ifdef EXPANDLOOP

   524 	iA+=tempE;

   525 	iB+=temp;

   526 	iC+=tempA;

   527 	iD+=tempB;

   528 	iE+=tempC;

   529 #else

   530 	iA+=tempA;

   531 	iB+=tempB;

   532 	iC+=tempC;

   533 	iD+=tempD;

   534 	iE+=tempE;

   535 #endif // EXPANDLOOP

   536 #endif // WEIDAI

   537 	}

   539 void CSHA1::DoFinal()

   540 	{

   541 	iNh += iNl;

   542 	const TUint ul128=128;

   543 	switch (iNl&3)

   544 		{

   545 		case 0:

   546 			iData[iNl>>2] = ul128<<24;

   547 			break;

   548 		case 1:

   549 			iData[iNl>>2] += ul128<<16;

   550 			break;

   551 		case 2:

   552 			iData[iNl>>2] += ul128<<8;

   553 			break;

   554 		case 3:

   555 			iData[iNl>>2] += ul128;

   556 			break;

   557 		default:

   558 			break;

   559 		};

   560 	if (iNl>=56)

   561 		{

   562 		if (iNl<60)

   563 			iData[15]=0;

   564 		Block();

   565 		Mem::FillZ(iData,14*sizeof(TUint));

   566 		}

   567 	else

   568 		{

   569 		const TUint offset=(iNl+4)>>2; //+4 to account for the word added in the

   570 		//switch statement above

   571 		Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint));

   572 		}

   574 	//TODO: this will fail if the total input length is longer than 2^32 in bits

   575 	//(2^31 in bytes) which is roughly half a gig.

   576 	iData[14]=0;

   577 	iData[15]=iNh<<3;//number in bits

   578 	Block();

   579 	//

   580 	// Generate hash value into iHash

   581 	//

   582 	TUint tmp=iA;

   583 	iHash[3]=(TUint8)(tmp & 255);

   584 	iHash[2]=(TUint8)((tmp >>= 8) & 255);

   585 	iHash[1]=(TUint8)((tmp >>= 8) & 255);

   586 	iHash[0]=(TUint8)((tmp >>= 8) & 255);

   588 	tmp=iB;

   589 	iHash[7]=(TUint8)(tmp & 255);

   590 	iHash[6]=(TUint8)((tmp >>= 8) & 255);

   591 	iHash[5]=(TUint8)((tmp >>= 8) & 255);

   592 	iHash[4]=(TUint8)((tmp >>= 8) & 255);

   594 	tmp=iC;

   595 	iHash[11]=(TUint8)(tmp & 255);

   596 	iHash[10]=(TUint8)((tmp >>= 8) & 255);

   597 	iHash[9]=(TUint8)((tmp >>= 8) & 255);

   598 	iHash[8]=(TUint8)((tmp >>= 8) & 255);

   600 	tmp=iD;

   601 	iHash[15]=(TUint8)(tmp & 255);

   602 	iHash[14]=(TUint8)((tmp >>= 8) & 255);

   603 	iHash[13]=(TUint8)((tmp >>= 8) & 255);

   604 	iHash[12]=(TUint8)((tmp >>= 8) & 255);

   606 	tmp=iE;

   607 	iHash[19]=(TUint8)(tmp & 255);

   608 	iHash[18]=(TUint8)((tmp >>= 8) & 255);

   609 	iHash[17]=(TUint8)((tmp >>= 8) & 255);

   610 	iHash[16]=(TUint8)((tmp >>= 8) & 255);

   611 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--