Symaptic: os/security/crypto/weakcrypto/source/symmetric/rijndael.cpp@bde4ae8d615e

     1 /*

     2 * Copyright (c) 2002-2009 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 *

    16 */

    19 #include "rijndael.h"

    20 #include "rijndaeltables.h"

    21 #include "../common/inlines.h"

    22 #include <cryptostrength.h>

    24 const TUint KAESKeyBytes128 = 16;

    25 const TUint KAESKeyBytes192 = 24;

    26 const TUint KAESKeyBytes256 = 32;

    27 const TUint KAESBlockBytes = 16;

    29 /* CRijndael */

    30 EXPORT_C CRijndael::CRijndael(void)

    31 	{

    32 	}

    34 void CRijndael::Reset()

    35 	{

    36 	SetKey(*iKey);

    37 	}

    39 TInt CRijndael::KeySize() const

    40 	{

    41 	return (4*(iRounds+1));

    42 	}

    44 CRijndael::~CRijndael()

    45 	{

    46 	delete iKey;

    47 	}

    49 void CRijndael::ConstructL(const TDesC8& aKey)

    50 	{

    51 	TUint keySize = aKey.Size();

    52 	assert((keySize==KAESKeyBytes128)||(keySize==KAESKeyBytes192)||(keySize==KAESKeyBytes256));

    53 	iKey = aKey.AllocL();

    54 	iRounds = keySize/4 + 6;

    55 	SetKey(aKey);

    56 	}

    58 void CRijndael::SetKey(const TDesC8& aKey)

    59 	{

    60 	TUint keySize = aKey.Size();

    61 	TUint32 temp;

    62 	TUint32* rk = &iK[0];

    64 	TUint i = 0;

    66 	GetUserKeyBigEndian(rk, keySize/4, &aKey[0], keySize);

    68 	switch(keySize)

    69 		{

    70 		case (KAESKeyBytes128):

    71 			{

    72 			FOREVER

    73 				{

    74 				temp  = rk[3];

    75 				rk[4] = rk[0] ^

    76 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^

    77 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^

    78 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^

    79 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^

    80 					RIJNDAEL_TABLE::rcon[i];

    81 				rk[5] = rk[1] ^ rk[4];

    82 				rk[6] = rk[2] ^ rk[5];

    83 				rk[7] = rk[3] ^ rk[6];

    84 				if (++i == 10)

    85 					break;

    86 				rk += 4;

    87 				}

    88 			}

    89 		break;

    91 		case (KAESKeyBytes192):

    92 			{

    93 			FOREVER

    94 				{

    95 				temp = rk[ 5];

    96 				rk[ 6] = rk[ 0] ^

    97 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^

    98 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^

    99 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^

   100 					(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^

   101 					RIJNDAEL_TABLE::rcon[i];

   102 				rk[ 7] = rk[ 1] ^ rk[ 6];

   103 				rk[ 8] = rk[ 2] ^ rk[ 7];

   104 				rk[ 9] = rk[ 3] ^ rk[ 8];

   105 				if (++i == 8)

   106 					break;

   107 				rk[10] = rk[ 4] ^ rk[ 9];

   108 				rk[11] = rk[ 5] ^ rk[10];

   109 				rk += 6;

   110 				}

   111 			}

   112 		break;

   114 		case (KAESKeyBytes256):

   115 			{

   116 			FOREVER

   117 				{

   118         		temp = rk[ 7];

   119         		rk[ 8] = rk[ 0] ^

   120         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^

   121         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^

   122         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^

   123         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^

   124         			RIJNDAEL_TABLE::rcon[i];

   125         		rk[ 9] = rk[ 1] ^ rk[ 8];

   126         		rk[10] = rk[ 2] ^ rk[ 9];

   127         		rk[11] = rk[ 3] ^ rk[10];

   128 				if (++i == 7)

   129 					break;

   130         		temp = rk[11];

   131         		rk[12] = rk[ 4] ^

   132         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0xff000000) ^

   133         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0x00ff0000) ^

   134         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x0000ff00) ^

   135         			(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x000000ff);

   136         		rk[13] = rk[ 5] ^ rk[12];

   137         		rk[14] = rk[ 6] ^ rk[13];

   138         		rk[15] = rk[ 7] ^ rk[14];

   140 				rk += 8;

   141 				}

   142 			}

   143 		break;

   145 		default:

   146 			assert(0);	//	Shouldn't get here, keeps compiler happy

   147 		}

   148 	}

   151 /* CAESEncryptor */

   152 EXPORT_C CAESEncryptor* CAESEncryptor::NewL(const TDesC8& aKey)

   153 	{

   154 	CAESEncryptor* me = CAESEncryptor::NewLC(aKey);

   155 	CleanupStack::Pop(me);

   156 	return (me);

   157 	}

   159 EXPORT_C CAESEncryptor* CAESEncryptor::NewLC(const TDesC8& aKey)

   160 	{

   161 	CAESEncryptor* me = new (ELeave) CAESEncryptor();

   162 	CleanupStack::PushL(me);

   163 	me->ConstructL(aKey);

   164 	TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));

   165 	return (me);

   166 	}

   168 TInt CAESEncryptor::BlockSize() const

   169 	{

   170 	return KAESBlockBytes;

   171 	}

   173 void CAESEncryptor::Transform(TDes8& aBlock)

   174 	{

   175 	assert((TUint)aBlock.Size()==KAESBlockBytes);

   177 	TUint32 s0, s1, s2, s3, t0, t1, t2, t3;

   178 	const TUint32* rk = &iK[0];

   180 /*

   181  *	map byte array block to cipher state

   182  *	and add initial round key:

   183 */

   184 	GetBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);

   185 	s0 ^= rk[0];

   186 	s1 ^= rk[1];

   187 	s2 ^= rk[2];

   188 	s3 ^= rk[3];

   189 /*

   190  *	Nr - 1 full rounds:

   191 */

   192     TUint r = iRounds >> 1;

   193 	FOREVER

   194 		{

   195         t0 =

   196             RIJNDAEL_TABLE::Te0[GETBYTE(s0, 3)] ^

   197             RIJNDAEL_TABLE::Te1[GETBYTE(s1, 2)] ^

   198             RIJNDAEL_TABLE::Te2[GETBYTE(s2, 1)] ^

   199             RIJNDAEL_TABLE::Te3[GETBYTE(s3, 0)] ^

   200             rk[4];

   201         t1 =

   202             RIJNDAEL_TABLE::Te0[GETBYTE(s1, 3)] ^

   203             RIJNDAEL_TABLE::Te1[GETBYTE(s2, 2)] ^

   204             RIJNDAEL_TABLE::Te2[GETBYTE(s3, 1)] ^

   205             RIJNDAEL_TABLE::Te3[GETBYTE(s0, 0)] ^

   206             rk[5];

   207         t2 =

   208             RIJNDAEL_TABLE::Te0[GETBYTE(s2, 3)] ^

   209             RIJNDAEL_TABLE::Te1[GETBYTE(s3, 2)] ^

   210             RIJNDAEL_TABLE::Te2[GETBYTE(s0, 1)] ^

   211             RIJNDAEL_TABLE::Te3[GETBYTE(s1, 0)] ^

   212             rk[6];

   213         t3 =

   214             RIJNDAEL_TABLE::Te0[GETBYTE(s3, 3)] ^

   215             RIJNDAEL_TABLE::Te1[GETBYTE(s0, 2)] ^

   216             RIJNDAEL_TABLE::Te2[GETBYTE(s1, 1)] ^

   217             RIJNDAEL_TABLE::Te3[GETBYTE(s2, 0)] ^

   218             rk[7];

   220         rk += 8;

   221         if (--r == 0)

   222 			break;

   224         s0 =

   225             RIJNDAEL_TABLE::Te0[GETBYTE(t0, 3)] ^

   226             RIJNDAEL_TABLE::Te1[GETBYTE(t1, 2)] ^

   227             RIJNDAEL_TABLE::Te2[GETBYTE(t2, 1)] ^

   228             RIJNDAEL_TABLE::Te3[GETBYTE(t3, 0)] ^

   229             rk[0];

   230         s1 =

   231             RIJNDAEL_TABLE::Te0[GETBYTE(t1, 3)] ^

   232             RIJNDAEL_TABLE::Te1[GETBYTE(t2, 2)] ^

   233             RIJNDAEL_TABLE::Te2[GETBYTE(t3, 1)] ^

   234             RIJNDAEL_TABLE::Te3[GETBYTE(t0, 0)] ^

   235             rk[1];

   236         s2 =

   237             RIJNDAEL_TABLE::Te0[GETBYTE(t2, 3)] ^

   238             RIJNDAEL_TABLE::Te1[GETBYTE(t3, 2)] ^

   239             RIJNDAEL_TABLE::Te2[GETBYTE(t0, 1)] ^

   240             RIJNDAEL_TABLE::Te3[GETBYTE(t1, 0)] ^

   241             rk[2];

   242         s3 =

   243             RIJNDAEL_TABLE::Te0[GETBYTE(t3, 3)] ^

   244             RIJNDAEL_TABLE::Te1[GETBYTE(t0, 2)] ^

   245             RIJNDAEL_TABLE::Te2[GETBYTE(t1, 1)] ^

   246             RIJNDAEL_TABLE::Te3[GETBYTE(t2, 0)] ^

   247             rk[3];

   248 		}

   249 /*

   250  *	apply last round and

   251  *	map cipher state to byte array block:

   252 */

   254 	s0 =

   255 		(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 3)] & 0xff000000) ^

   256 		(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 2)] & 0x00ff0000) ^

   257 		(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 1)] & 0x0000ff00) ^

   258 		(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 0)] & 0x000000ff) ^

   259 		rk[0];

   260 	s1 =

   261 		(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 3)] & 0xff000000) ^

   262 		(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 2)] & 0x00ff0000) ^

   263 		(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 1)] & 0x0000ff00) ^

   264 		(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 0)] & 0x000000ff) ^

   265 		rk[1];

   266 	s2 =

   267 		(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 3)] & 0xff000000) ^

   268 		(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 2)] & 0x00ff0000) ^

   269 		(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 1)] & 0x0000ff00) ^

   270 		(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 0)] & 0x000000ff) ^

   271 		rk[2];

   272 	s3 =

   273 		(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 3)] & 0xff000000) ^

   274 		(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 2)] & 0x00ff0000) ^

   275 		(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 1)] & 0x0000ff00) ^

   276 		(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 0)] & 0x000000ff) ^

   277 		rk[3];

   279 	PutBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);

   280 	}

   282 CAESEncryptor::CAESEncryptor(void)

   283 	{

   284 	}

   286 /* CAESDecryptor */

   287 EXPORT_C CAESDecryptor* CAESDecryptor::NewL(const TDesC8& aKey)

   288 	{

   289 	CAESDecryptor* me = CAESDecryptor::NewLC(aKey);

   290 	CleanupStack::Pop(me);

   291 	return (me);

   292 	}

   295 EXPORT_C CAESDecryptor* CAESDecryptor::NewLC(const TDesC8& aKey)

   296 	{

   297 	CAESDecryptor* me = new (ELeave) CAESDecryptor();

   298 	CleanupStack::PushL(me);

   299 	me->ConstructL(aKey);

   300 	TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));

   301 	return (me);

   302 	}

   304 TInt CAESDecryptor::BlockSize() const

   305 	{

   306 	return KAESBlockBytes;

   307 	}

   309 void CAESDecryptor::Transform(TDes8& aBlock)

   310 	{

   311 	TUint32 s0, s1, s2, s3, t0, t1, t2, t3;

   312     const TUint32* rk = &iK[0];

   314 /*

   315  *	map byte array block to cipher state

   316  *	and add initial round key:

   317 */

   318 	GetBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);

   320 	s0 ^= rk[0];

   321 	s1 ^= rk[1];

   322 	s2 ^= rk[2];

   323 	s3 ^= rk[3];

   324 /*

   325  *	Nr - 1 full rounds:

   326 */

   327     TUint r = iRounds >> 1;

   328     FOREVER

   329 		{

   330         t0 =

   331             RIJNDAEL_TABLE::Td0[GETBYTE(s0, 3)] ^

   332             RIJNDAEL_TABLE::Td1[GETBYTE(s3, 2)] ^

   333             RIJNDAEL_TABLE::Td2[GETBYTE(s2, 1)] ^

   334             RIJNDAEL_TABLE::Td3[GETBYTE(s1, 0)] ^

   335             rk[4];

   336         t1 =

   337             RIJNDAEL_TABLE::Td0[GETBYTE(s1, 3)] ^

   338             RIJNDAEL_TABLE::Td1[GETBYTE(s0, 2)] ^

   339             RIJNDAEL_TABLE::Td2[GETBYTE(s3, 1)] ^

   340             RIJNDAEL_TABLE::Td3[GETBYTE(s2, 0)] ^

   341             rk[5];

   342         t2 =

   343             RIJNDAEL_TABLE::Td0[GETBYTE(s2, 3)] ^

   344             RIJNDAEL_TABLE::Td1[GETBYTE(s1, 2)] ^

   345             RIJNDAEL_TABLE::Td2[GETBYTE(s0, 1)] ^

   346             RIJNDAEL_TABLE::Td3[GETBYTE(s3, 0)] ^

   347             rk[6];

   348         t3 =

   349             RIJNDAEL_TABLE::Td0[GETBYTE(s3, 3)] ^

   350             RIJNDAEL_TABLE::Td1[GETBYTE(s2, 2)] ^

   351             RIJNDAEL_TABLE::Td2[GETBYTE(s1, 1)] ^

   352             RIJNDAEL_TABLE::Td3[GETBYTE(s0, 0)] ^

   353             rk[7];

   355         rk += 8;

   356         if (--r == 0)

   357             break;

   359         s0 =

   360             RIJNDAEL_TABLE::Td0[GETBYTE(t0, 3)] ^

   361             RIJNDAEL_TABLE::Td1[GETBYTE(t3, 2)] ^

   362             RIJNDAEL_TABLE::Td2[GETBYTE(t2, 1)] ^

   363             RIJNDAEL_TABLE::Td3[GETBYTE(t1, 0)] ^

   364             rk[0];

   365         s1 =

   366             RIJNDAEL_TABLE::Td0[GETBYTE(t1, 3)] ^

   367             RIJNDAEL_TABLE::Td1[GETBYTE(t0, 2)] ^

   368             RIJNDAEL_TABLE::Td2[GETBYTE(t3, 1)] ^

   369             RIJNDAEL_TABLE::Td3[GETBYTE(t2, 0)] ^

   370             rk[1];

   371         s2 =

   372             RIJNDAEL_TABLE::Td0[GETBYTE(t2, 3)] ^

   373             RIJNDAEL_TABLE::Td1[GETBYTE(t1, 2)] ^

   374             RIJNDAEL_TABLE::Td2[GETBYTE(t0, 1)] ^

   375             RIJNDAEL_TABLE::Td3[GETBYTE(t3, 0)] ^

   376             rk[2];

   377         s3 =

   378             RIJNDAEL_TABLE::Td0[GETBYTE(t3, 3)] ^

   379             RIJNDAEL_TABLE::Td1[GETBYTE(t2, 2)] ^

   380             RIJNDAEL_TABLE::Td2[GETBYTE(t1, 1)] ^

   381             RIJNDAEL_TABLE::Td3[GETBYTE(t0, 0)] ^

   382             rk[3];

   383 		}

   384 /*

   385  *	apply last round and

   386  *	map cipher state to byte array block:

   387 */

   388    	s0 =

   389    		(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 3)] & 0xff000000) ^

   390    		(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 2)] & 0x00ff0000) ^

   391    		(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 1)] & 0x0000ff00) ^

   392    		(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 0)] & 0x000000ff) ^

   393    		rk[0];

   394    	s1 =

   395    		(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 3)] & 0xff000000) ^

   396    		(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 2)] & 0x00ff0000) ^

   397    		(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 1)] & 0x0000ff00) ^

   398    		(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 0)] & 0x000000ff) ^

   399    		rk[1];

   400    	s2 =

   401    		(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 3)] & 0xff000000) ^

   402    		(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 2)] & 0x00ff0000) ^

   403    		(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 1)] & 0x0000ff00) ^

   404    		(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 0)] & 0x000000ff) ^

   405    		rk[2];

   406    	s3 =

   407    		(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 3)] & 0xff000000) ^

   408    		(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 2)] & 0x00ff0000) ^

   409    		(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 1)] & 0x0000ff00) ^

   410    		(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 0)] & 0x000000ff) ^

   411    		rk[3];

   414 	PutBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);

   415 	}

   418 void CAESDecryptor::SetKey(const TDesC8& aKey)

   419 	{

   420 	CRijndael::SetKey(aKey);

   422 	TUint i, j;

   423 	TUint32* rk = &iK[0];

   424 	TUint32 temp;

   426 //	invert the order of the round keys

   427 	for (i = 0, j = 4*iRounds; i < j; i += 4, j -= 4)

   428 		{

   429 		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;

   430 		temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;

   431 		temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;

   432 		temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;

   433 		}

   435 //	apply the inverse MixColumn transform to all round keys but the first and the last

   436 	for (i = 1; i < iRounds; i++)

   437 		{

   438 		rk += 4;

   439 		rk[0] =

   440 			RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 3)] & 0xff] ^

   441 			RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 2)] & 0xff] ^

   442 			RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 1)] & 0xff] ^

   443 			RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 0)] & 0xff];

   444 		rk[1] =

   445 			RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 3)] & 0xff] ^

   446 			RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 2)] & 0xff] ^

   447 			RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 1)] & 0xff] ^

   448 			RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 0)] & 0xff];

   449 		rk[2] =

   450 			RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 3)] & 0xff] ^

   451 			RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 2)] & 0xff] ^

   452 			RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 1)] & 0xff] ^

   453 			RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 0)] & 0xff];

   454 		rk[3] =

   455 			RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 3)] & 0xff] ^

   456 			RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 2)] & 0xff] ^

   457 			RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 1)] & 0xff] ^

   458 			RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 0)] & 0xff];

   459 		}

   460 	}

   462 CAESDecryptor::CAESDecryptor()

   463 	{

   464 	}

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--