os/security/crypto/weakcryptospi/source/common/keyidentifierutil.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
sl@0
     1
/*
sl@0
     2
* Copyright (c) 2003-2009 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 "keyidentifierutil.h"
sl@0
    20
#include "hash.h"
sl@0
    21
#include "asymmetrickeys.h"
sl@0
    22
sl@0
    23
EXPORT_C void KeyIdentifierUtil::RSAKeyIdentifierL(
sl@0
    24
		const CRSAPublicKey& aKey, TKeyIdentifier& aIdentifier)
sl@0
    25
	{
sl@0
    26
	aIdentifier.FillZ();
sl@0
    27
sl@0
    28
	// Generate a hash of the appropriate data (for TKeyIdentifier)	
sl@0
    29
	const TInteger& keyModulus = aKey.N();
sl@0
    30
	HBufC8* modulusData = keyModulus.BufferLC();
sl@0
    31
	CSHA1* sha1 = CSHA1::NewL();
sl@0
    32
	CleanupStack::PushL(sha1);
sl@0
    33
	TPtrC8 hash = sha1->Final(*modulusData);
sl@0
    34
	aIdentifier.Copy(hash);
sl@0
    35
	CleanupStack::PopAndDestroy(2);	//	sha1, modulusData
sl@0
    36
	}
sl@0
    37
sl@0
    38
EXPORT_C void KeyIdentifierUtil::DSAKeyIdentifierL(
sl@0
    39
		const CDSAPublicKey& aKey, TKeyIdentifier& aIdentifier)
sl@0
    40
	{
sl@0
    41
	aIdentifier.FillZ();
sl@0
    42
sl@0
    43
	// Generate a hash of the appropriate data (for TKeyIdentifier)	
sl@0
    44
	const TInteger& Y = aKey.Y();
sl@0
    45
	HBufC8* YData = Y.BufferLC();					
sl@0
    46
	CSHA1* sha1 = CSHA1::NewL();
sl@0
    47
	CleanupStack::PushL(sha1);
sl@0
    48
	TPtrC8 hash = sha1->Final(*YData);
sl@0
    49
	aIdentifier.Copy(hash);
sl@0
    50
	CleanupStack::PopAndDestroy(2);	//	sha1, YData				
sl@0
    51
	}
sl@0
    52
sl@0
    53
EXPORT_C void KeyIdentifierUtil::DHKeyIdentifierL(
sl@0
    54
		const RInteger& aKey, TKeyIdentifier& aIdentifier)
sl@0
    55
	{
sl@0
    56
	if (aKey.IsZero())
sl@0
    57
		User::Leave(KErrArgument);
sl@0
    58
sl@0
    59
	aIdentifier.FillZ();
sl@0
    60
sl@0
    61
	// Generate a hash of the appropriate data (for TKeyIdentifier)	
sl@0
    62
	HBufC8* XData = aKey.BufferLC();								
sl@0
    63
	CSHA1* sha1 = CSHA1::NewL();
sl@0
    64
	CleanupStack::PushL(sha1);
sl@0
    65
	TPtrC8 hash = sha1->Final(*XData);
sl@0
    66
	aIdentifier.Copy(hash);
sl@0
    67
	CleanupStack::PopAndDestroy(2);	//	sha1, XData
sl@0
    68
	}