crypto/weakcrypto/test/tasymmetric/tbrokenrandom.cpp
author hgs
Thu, 12 Aug 2010 21:07:10 +0530
changeset 90 8c545fea2798
parent 72 de46a57f75fb
permissions -rw-r--r--
201031_01
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
72
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     1
/*
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     2
* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     3
* All rights reserved.
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     4
* This component and the accompanying materials are made available
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     5
* under the terms of the License "Eclipse Public License v1.0"
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     6
* which accompanies this distribution, and is available
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     8
*
de46a57f75fb 201023_02
hgs
parents:
diff changeset
     9
* Initial Contributors:
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    10
* Nokia Corporation - initial contribution.
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    11
*
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    12
* Contributors:
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    13
*
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    14
* Description: 
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    15
*
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    16
*/
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    17
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    18
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    19
/**
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    20
 @file
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    21
*/
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    22
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    23
#include "tbrokenrandom.h"
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    24
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    25
/* CRandomSetSeed */
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    26
CRandomSetSource::CRandomSetSource(const TDesC8& aSource)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    27
    {
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    28
	SetSource(aSource);
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    29
    }
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    30
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    31
void CRandomSetSource::GenerateBytesL(TDes8& aDest) 
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    32
    {
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    33
	if(aDest.Size() <= iValue.Size() - (TInt)iCounter)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    34
		{
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    35
		for (int i = 0 ; i < aDest.Length() ; ++i)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    36
			{
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    37
			aDest[i] = iValue[iCounter];
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    38
			iCounter++;
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    39
			} 
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    40
		}
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    41
	else
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    42
		{
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    43
		TRandom::RandomL(aDest);
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    44
		}
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    45
    }
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    46
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    47
void CRandomSetSource::SetSource(const TDesC8& aSource)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    48
	{
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    49
	iValue.Set(aSource);
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    50
	iCounter = 0;
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    51
	}
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    52
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    53
/* CRandomIncrementing */
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    54
CRandomIncrementing::CRandomIncrementing(TUint aInitialValue)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    55
    {
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    56
	iValue = aInitialValue;
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    57
    }
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    58
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    59
void CRandomIncrementing::GenerateBytesL(TDes8& aDest) 
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    60
    {
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    61
    for (int i = 0 ; i < aDest.Length() ; ++i)
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    62
        {
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    63
        aDest[i] = (char)(iValue)++;
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    64
        }
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    65
    }
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    66
de46a57f75fb 201023_02
hgs
parents:
diff changeset
    67