crypto/weakcryptospi/test/tpadding/tpaddingPKCS1.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Sat, 20 Feb 2010 00:36:18 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201007 Kit: 201007
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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include <random.h>
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#include <padding.h>
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#include <securityerr.h>
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#include "tpaddingPKCS1.h"
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CTestPadPKCS1::CTestPadPKCS1()
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{
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   SetTestStepName(KPadPKCS1);
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}
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CTestPadPKCS1::~CTestPadPKCS1()
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{
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}
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TVerdict CTestPadPKCS1::doTestStepL()
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{
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   __UHEAP_MARK;
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   INFO_PRINTF1(_L("Test of PKCS1 signature padding"));
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 512"));
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   TestPKCS1SignaturePadding(512);
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 1024"));
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   TestPKCS1SignaturePadding(1024);
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 2048"));
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   TestPKCS1SignaturePadding(2048);
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   INFO_PRINTF1(_L("Test of PKCS1 encryption padding"));
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 512"));
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   TestPKCS1EncryptionPadding(512);
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 1024"));
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   TestPKCS1EncryptionPadding(1024);
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   SetTestStepResult(EPass);
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   INFO_PRINTF1(_L("Blocksize 2048"));
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   TestPKCS1EncryptionPadding(2048);
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   __UHEAP_MARKEND;
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   return TestStepResult();
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}
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void CTestPadPKCS1::TestPKCS1SignaturePadding(TInt aBlockSize)
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{
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   CPaddingPKCS1Signature *padding = CPaddingPKCS1Signature::NewLC(aBlockSize);
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   /*
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    * The length of the data D shall not be more than k-11 octets,
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    * which is positive since the length k of the modulus is at
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    * least 12 octets.
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    */
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   TInt noDataBytes = aBlockSize-11;
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   for (TInt i = 0; i <= noDataBytes; i++)
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   {
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      HBufC8 *inData = HBufC8::NewLC(noDataBytes);
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      HBufC8 *outData = HBufC8::NewLC(aBlockSize);
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      TPtr8 in(inData->Des());
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      TPtr8 out(outData->Des());
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      TInt j;
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      for (j = 0; j < i; j++)
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      {
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	 TInt text('a'+j%25);
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	 in.Append(text);
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      }
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      TRAPD(err, padding->PadL(in, out));
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      TEST(err == KErrNone);
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      // check the padding.
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      // should have the following syntax:
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      // 00 || 01 || PS || 00 || D where PS is the padding octects of value 0xff
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      TEST(out[0] == 0 && out[1] == 1);
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      TInt endOfPadding = aBlockSize - 1 - in.Length();
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      for (j = 2; j < endOfPadding; j++)
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      {
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	 TEST(out[j]==0xff);
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      }
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      // Check for the delimiter
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      TEST(out[endOfPadding] == 0);
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      // Check that the rest of the data is not corrupted
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      TInt startOfData = aBlockSize - in.Length();
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      TEST(in == out.Mid(startOfData));
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   115
      CleanupStack::PopAndDestroy(2, inData); // inData, outData
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   }
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   TestStepResult() ? INFO_PRINTF1(_L("Test failed")) : INFO_PRINTF1(_L("Test passed"));
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   118
   CleanupStack::PopAndDestroy(); // padding
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   119
}
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   120
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void CTestPadPKCS1::TestPKCS1EncryptionPadding(TInt aBlockSize)
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{
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   123
   CPaddingPKCS1Encryption *padding = CPaddingPKCS1Encryption::NewLC(aBlockSize);
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   /*
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    * The length of the data D shall not be more than k-11 octets,
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    * which is positive since the length k of the modulus is at
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    * least 12 octets.
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   128
    */
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   TInt noDataBytes = aBlockSize-11;
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   130
   
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   for (TInt i = 0; i <= noDataBytes; i++)
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   {
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      HBufC8 *inData = HBufC8::NewLC(noDataBytes);
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   134
      HBufC8 *outData = HBufC8::NewLC(aBlockSize);
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      TPtr8 in(inData->Des());
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   136
      TPtr8 out(outData->Des());
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   137
      TInt j;
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   138
      
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   139
      for (j = 0; j < i; j++)
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   140
      {
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	 TInt text('a'+j%25);
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	 in.Append(text);
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   143
      }
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   144
      
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      TRAPD(err, padding->PadL(in, out));
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   146
      TEST(err == KErrNone);
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   147
      // check the padding.
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      // should have the following syntax:
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      // 00 || 02 || PS || 00 || D where PS is the padding octects containing random data
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   150
      
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   151
      TEST(out[0] == 0 && out[1] == 2);
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   152
      
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   153
      TInt endOfPadding = aBlockSize - 1 - in.Length();
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   154
      for (j = 2; j < endOfPadding; j++)
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   155
      {
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   156
	 TEST(out[j]!=0);
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   157
	 
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   158
      }
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   159
      // Check for the delimiter
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   160
      TEST(out[endOfPadding] == 0);
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   161
      
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   162
      // Check that the rest of the data is not corrupted
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   163
      TInt startOfData = aBlockSize - in.Length();
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   164
      TEST(in == out.Mid(startOfData));
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   165
      CleanupStack::PopAndDestroy(2, inData); // inData, outData
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   166
   }
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   167
   TestStepResult() ? INFO_PRINTF1(_L("Test failed")) : INFO_PRINTF1(_L("Test passed"));
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   168
   CleanupStack::PopAndDestroy(); // padding
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   169
}
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   170
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   171
   
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   172
CTestUnpadPKCS1::CTestUnpadPKCS1()
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   173
{
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   174
   SetTestStepName(KUnpadPKCS1);
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   175
}
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   176
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   177
CTestUnpadPKCS1::~CTestUnpadPKCS1()
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   178
{
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   179
}
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   180
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   181
TVerdict CTestUnpadPKCS1::doTestStepL()
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{
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   __UHEAP_MARK;
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   184
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   185
   INFO_PRINTF1(_L("Test of PKCS1 signature unpadding"));
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   186
   INFO_PRINTF1(_L("Blocksize 512"));
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   187
   SetTestStepResult(EPass);
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   188
   TestPKCS1SignatureUnpadding(512);
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   189
   INFO_PRINTF1(_L("Blocksize 1024"));
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   190
   SetTestStepResult(EPass);
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   191
   TestPKCS1SignatureUnpadding(1024);
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   192
   INFO_PRINTF1(_L("Blocksize 2048"));
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   193
   SetTestStepResult(EPass);
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   194
   TestPKCS1SignatureUnpadding(2048);
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   195
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   196
   INFO_PRINTF1(_L("Test of PKCS1 encryption unpadding"));
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   197
   INFO_PRINTF1(_L("Blocksize 512"));
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   198
   SetTestStepResult(EPass);
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   199
   TestPKCS1EncryptionUnpadding(512);
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   200
   INFO_PRINTF1(_L("Blocksize 1024"));
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   201
   SetTestStepResult(EPass);
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   202
   TestPKCS1EncryptionUnpadding(1024);
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   203
   INFO_PRINTF1(_L("Blocksize 2048"));
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   204
   SetTestStepResult(EPass);
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   205
   TestPKCS1EncryptionUnpadding(2048);
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   206
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   207
   __UHEAP_MARKEND;
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   208
   return TestStepResult();
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   209
}
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   210
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   211
void CTestUnpadPKCS1::TestPKCS1SignatureUnpadding(TInt aBlockSize)
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   212
{
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   213
   CPaddingPKCS1Signature *padding = CPaddingPKCS1Signature::NewLC(aBlockSize);
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   214
   /*
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   215
    * The length of the data D shall not be more than k-11 octets,
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   216
    * which is positive since the length k of the modulus is at
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   217
    * least 12 octets.
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   218
    */
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   219
   TInt noDataBytes = aBlockSize-11;
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   220
   
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   221
   for (TInt i = 0; i <= noDataBytes; i++)
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   222
   {
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   223
      HBufC8 *inData = HBufC8::NewLC(aBlockSize);
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   224
      HBufC8 *outData = HBufC8::NewLC(noDataBytes);
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   225
      HBufC8 *compData = HBufC8::NewLC(noDataBytes);
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   226
      TPtr8 in(inData->Des());
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   227
      TPtr8 out(outData->Des());
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      TPtr8 comp(compData->Des());
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      TInt endOfPadding = aBlockSize - 1 - i;
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      in.SetLength(endOfPadding+1);
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      in[0] = 0;
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      in[1] = 1;
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      TInt j;
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   235
      for (j = 2; j < endOfPadding; j++)
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      {
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	 in[j] = 0xff;
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      }
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      in[endOfPadding] = 0; // delimiter
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   240
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      for (j = 0; j < i; j++)
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      {
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	 TInt text('a'+j%25);
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	 in.Append(text);
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	 comp.Append(text);
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   246
      }
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   247
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      TRAPD(err, padding->UnPadL(in, out));
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   249
      TEST(err == KErrNone);
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   250
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      TEST(out == comp);
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   252
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      TEST(out.Length() == i);
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   254
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   256
      CleanupStack::PopAndDestroy(3, inData); // inData, outData, compData
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   }
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   TestStepResult() ? INFO_PRINTF1(_L("Test failed")) : INFO_PRINTF1(_L("Test passed"));
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   259
   CleanupStack::PopAndDestroy(); // padding
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}
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   261
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void CTestUnpadPKCS1::TestPKCS1EncryptionUnpadding(TInt aBlockSize)
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{
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   264
   CPaddingPKCS1Encryption *padding = CPaddingPKCS1Encryption::NewLC(aBlockSize);
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   265
   /*
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    * "The length of the data D shall not be more than k-11 octets,
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    * which is positive since the length k of the modulus is at
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    * least 12 octets."
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   269
    */
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   TInt noDataBytes = aBlockSize-11;
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   271
   for (TInt i = 0; i <= noDataBytes; i++)
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   272
   {
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      HBufC8 *inData = HBufC8::NewLC(aBlockSize);
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      HBufC8 *outData = HBufC8::NewLC(noDataBytes);
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      HBufC8 *compData = HBufC8::NewLC(noDataBytes);
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      TPtr8 in(inData->Des());
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      TPtr8 out(outData->Des());
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      TPtr8 comp(compData->Des());
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      TInt endOfPadding = aBlockSize - 1 - i;
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   281
      in.SetLength(endOfPadding+1);
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   282
      in[0] = 0;
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   283
      in[1] = 2;
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   284
      TBuf8<256> rnd(256);
43
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   285
      TRAPD(err, GenerateRandomBytesL(rnd));
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   286
      if((err != KErrNone) && (err != KErrNotSecure))
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   287
          User::Leave(err);
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   288
8
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   289
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   290
      TInt k = 2;
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   291
      TInt j = 0;
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   292
      while (k < endOfPadding)
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   293
      {
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   294
         if (rnd[j%256])
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   295
         {
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   296
            in[k++] = rnd[j%256];
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   297
         }
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   298
         
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   299
         if (++j%256 == 0)
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diff changeset
   300
         {
43
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parents: 8
diff changeset
   301
         TRAP(err, GenerateRandomBytesL(rnd));
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parents: 8
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   302
         if((err != KErrNone) && (err != KErrNotSecure))
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parents: 8
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   303
             User::Leave(err);
8
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   304
         }
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   305
      }
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   306
      in[endOfPadding] = 0; // delimiter
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parents:
diff changeset
   307
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   308
      for (j = 0; j < i; j++)
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   309
      {
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   310
	 TInt text('a'+j%25);
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   311
	 in.Append(text);
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   312
     comp.Append(text);
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   313
      }
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diff changeset
   314
43
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parents: 8
diff changeset
   315
      TRAP(err, padding->UnPadL(in, out));
8
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parents:
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   316
      TEST(err == KErrNone);
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parents:
diff changeset
   317
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   318
	  TEST(out == comp);		  
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diff changeset
   319
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   320
      TEST(out.Length() == i);
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parents:
diff changeset
   321
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parents:
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   322
      
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diff changeset
   323
      CleanupStack::PopAndDestroy(3, inData); // inData, outData, compData
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   324
   }
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diff changeset
   325
   TestStepResult() ? INFO_PRINTF1(_L("Test failed")) : INFO_PRINTF1(_L("Test passed"));
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parents:
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   326
   CleanupStack::PopAndDestroy(); // padding
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parents:
diff changeset
   327
}