1 /*

     2 * Copyright (c) 2003-2009 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 */

    17 

    18 

    19 #include "keyidentifierutil.h"

    20 #include "hash.h"

    21 #include "asymmetrickeys.h"

    22 

    23 EXPORT_C void KeyIdentifierUtil::RSAKeyIdentifierL(

    24 		const CRSAPublicKey& aKey, TKeyIdentifier& aIdentifier)

    25 	{

    26 	aIdentifier.FillZ();

    27 

    28 	// Generate a hash of the appropriate data (for TKeyIdentifier)	

    29 	const TInteger& keyModulus = aKey.N();

    30 	HBufC8* modulusData = keyModulus.BufferLC();

    31 	CSHA1* sha1 = CSHA1::NewL();

    32 	CleanupStack::PushL(sha1);

    33 	TPtrC8 hash = sha1->Final(*modulusData);

    34 	aIdentifier.Copy(hash);

    35 	CleanupStack::PopAndDestroy(2);	//	sha1, modulusData

    36 	}

    37 

    38 EXPORT_C void KeyIdentifierUtil::DSAKeyIdentifierL(

    39 		const CDSAPublicKey& aKey, TKeyIdentifier& aIdentifier)

    40 	{

    41 	aIdentifier.FillZ();

    42 

    43 	// Generate a hash of the appropriate data (for TKeyIdentifier)	

    44 	const TInteger& Y = aKey.Y();

    45 	HBufC8* YData = Y.BufferLC();					

    46 	CSHA1* sha1 = CSHA1::NewL();

    47 	CleanupStack::PushL(sha1);

    48 	TPtrC8 hash = sha1->Final(*YData);

    49 	aIdentifier.Copy(hash);

    50 	CleanupStack::PopAndDestroy(2);	//	sha1, YData				

    51 	}

    52 

    53 EXPORT_C void KeyIdentifierUtil::DHKeyIdentifierL(

    54 		const RInteger& aKey, TKeyIdentifier& aIdentifier)

    55 	{

    56 	if (aKey.IsZero())

    57 		User::Leave(KErrArgument);

    58 

    59 	aIdentifier.FillZ();

    60 

    61 	// Generate a hash of the appropriate data (for TKeyIdentifier)	

    62 	HBufC8* XData = aKey.BufferLC();								

    63 	CSHA1* sha1 = CSHA1::NewL();

    64 	CleanupStack::PushL(sha1);

    65 	TPtrC8 hash = sha1->Final(*XData);

    66 	aIdentifier.Copy(hash);

    67 	CleanupStack::PopAndDestroy(2);	//	sha1, XData

    68 	}