os/security/crypto/weakcryptospi/source/pbe/pbencryptor.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200 (2012-06-15)
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
sl@0
     1
/*
sl@0
     2
* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     3
* All rights reserved.
sl@0
     4
* This component and the accompanying materials are made available
sl@0
     5
* under the terms of the License "Eclipse Public License v1.0"
sl@0
     6
* which accompanies this distribution, and is available
sl@0
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     8
*
sl@0
     9
* Initial Contributors:
sl@0
    10
* Nokia Corporation - initial contribution.
sl@0
    11
*
sl@0
    12
* Contributors:
sl@0
    13
*
sl@0
    14
* Description: 
sl@0
    15
*
sl@0
    16
*/
sl@0
    17
sl@0
    18
sl@0
    19
#include <e32std.h>
sl@0
    20
#include <random.h>
sl@0
    21
#include <pbencryptor.h>
sl@0
    22
#include "pbesymmetricfactory.h"
sl@0
    23
sl@0
    24
EXPORT_C CPBEncryptorElement* CPBEncryptorElement::NewL(
sl@0
    25
	const TPBECipher aCipher, const TDesC8& aKey, const TDesC8& aIV)
sl@0
    26
	{
sl@0
    27
	CPBEncryptorElement* self = NewLC(aCipher, aKey, aIV);
sl@0
    28
	CleanupStack::Pop();
sl@0
    29
	return self;
sl@0
    30
	}
sl@0
    31
sl@0
    32
EXPORT_C CPBEncryptorElement* CPBEncryptorElement::NewLC(
sl@0
    33
	const TPBECipher aCipher, const TDesC8& aKey, const TDesC8& aIV)
sl@0
    34
	{
sl@0
    35
	CPBEncryptorElement* self = new(ELeave) CPBEncryptorElement;
sl@0
    36
	CleanupStack::PushL(self);
sl@0
    37
	self->ConstructL(aCipher, aKey, aIV);
sl@0
    38
	return self;
sl@0
    39
	}
sl@0
    40
sl@0
    41
void CPBEncryptorElement::Process(const TDesC8& aInput, TDes8& aOutput)
sl@0
    42
	{
sl@0
    43
	iCipher->Process(aInput, aOutput);
sl@0
    44
	}
sl@0
    45
sl@0
    46
void CPBEncryptorElement::ProcessFinalL(const TDesC8& aInput, TDes8& aOutput)
sl@0
    47
	{
sl@0
    48
	iCipher->ProcessFinalL(aInput, aOutput);
sl@0
    49
	}
sl@0
    50
sl@0
    51
void CPBEncryptorElement::ConstructL(const TPBECipher aCipher,
sl@0
    52
	const TDesC8& aKey, const TDesC8& aIV)
sl@0
    53
	{
sl@0
    54
	iCipher = PBE::MakeEncryptorL(aCipher, aKey, aIV);
sl@0
    55
	}
sl@0
    56
sl@0
    57
CPBEncryptorElement::CPBEncryptorElement()
sl@0
    58
	{
sl@0
    59
	}
sl@0
    60
sl@0
    61
CPBEncryptorElement::~CPBEncryptorElement()
sl@0
    62
	{
sl@0
    63
	delete iCipher;
sl@0
    64
	}
sl@0
    65
sl@0
    66
TInt CPBEncryptorElement::MaxOutputLength(TUint aMaxInputLength) const
sl@0
    67
	{
sl@0
    68
	return iCipher->MaxOutputLength(aMaxInputLength);
sl@0
    69
	}
sl@0
    70
sl@0
    71
TInt CPBEncryptorElement::MaxFinalOutputLength(TUint aMaxInputLength) const
sl@0
    72
	{
sl@0
    73
	return iCipher->MaxFinalOutputLength(aMaxInputLength);
sl@0
    74
	}
sl@0
    75
sl@0
    76
EXPORT_C CPBDecryptorElement* CPBDecryptorElement::NewL(
sl@0
    77
	const TPBECipher aCipher, const TDesC8& aKey, const TDesC8& aIV)
sl@0
    78
	{
sl@0
    79
	CPBDecryptorElement* self = NewLC(aCipher, aKey, aIV);
sl@0
    80
	CleanupStack::Pop();
sl@0
    81
	return self;
sl@0
    82
	}
sl@0
    83
sl@0
    84
EXPORT_C CPBDecryptorElement* CPBDecryptorElement::NewLC(
sl@0
    85
	const TPBECipher aCipher, const TDesC8& aKey, const TDesC8& aIV)
sl@0
    86
	{
sl@0
    87
	CPBDecryptorElement* self = new(ELeave) CPBDecryptorElement;
sl@0
    88
	CleanupStack::PushL(self);
sl@0
    89
	self->ConstructL(aCipher, aKey, aIV);
sl@0
    90
	return self;
sl@0
    91
	}
sl@0
    92
sl@0
    93
void CPBDecryptorElement::Process(const TDesC8& aInput, TDes8& aOutput)
sl@0
    94
	{
sl@0
    95
	iCipher->Process(aInput, aOutput);
sl@0
    96
	}
sl@0
    97
sl@0
    98
void CPBDecryptorElement::ProcessFinalL(const TDesC8& aInput, TDes8& aOutput)
sl@0
    99
	{
sl@0
   100
	iCipher->ProcessFinalL(aInput, aOutput);
sl@0
   101
	}
sl@0
   102
sl@0
   103
void CPBDecryptorElement::ConstructL(const TPBECipher aCipher, 
sl@0
   104
	const TDesC8& aKey, const TDesC8& aIV)
sl@0
   105
	{
sl@0
   106
	iCipher = PBE::MakeDecryptorL(aCipher, aKey, aIV);
sl@0
   107
	}
sl@0
   108
sl@0
   109
CPBDecryptorElement::CPBDecryptorElement()
sl@0
   110
	{
sl@0
   111
	}
sl@0
   112
sl@0
   113
CPBDecryptorElement::~CPBDecryptorElement()
sl@0
   114
	{
sl@0
   115
	delete iCipher;
sl@0
   116
	}
sl@0
   117
sl@0
   118
TInt CPBDecryptorElement::MaxOutputLength(TUint aMaxInputLength) const
sl@0
   119
	{
sl@0
   120
	return iCipher->MaxOutputLength(aMaxInputLength);
sl@0
   121
	}
sl@0
   122
sl@0
   123
TInt CPBDecryptorElement::MaxFinalOutputLength(TUint aMaxInputLength) const
sl@0
   124
	{
sl@0
   125
	return iCipher->MaxFinalOutputLength(aMaxInputLength);
sl@0
   126
	}