1 /*

     2 * Copyright (c) 2002-2006 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 "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: Implementation of TDmAdCertUtil.

    15 *

    16 */

    17 

    18 

    19 

    20 #include <x509cert.h>

    21 #include <x509keys.h>

    22 #include <x500dn.h>

    23 

    24 #include "dmadcertutil.h"

    25 #include "pkcs10.h"

    26 #include "utlcrypto.h"

    27 

    28 

    29 void TDmAdCertUtil::ParseAvaL(const CX520AttributeTypeAndValue& aAva, TDes8& aOut)

    30     {

    31     TPtrC8 attr = CPkcs10Req::AttributeTypeOidToText(aAva.Type());

    32     TBuf8<32> tempOidBuf;

    33     HBufC* val = NULL;

    34     TRAPD(ret, val = aAva.ValueL());

    35     if(ret == KErrNone)

    36         {

    37         CleanupStack::PushL(val);

    38         if(attr.Length() == 0)

    39             {

    40             // Dotted oid representation

    41             tempOidBuf.Copy(aAva.Type());

    42             aOut.Append(tempOidBuf);

    43             }

    44         else

    45             {

    46             aOut.Append(attr);

    47             }

    48         aOut.Append(_L("="));

    49         aOut.Append(val->Des());

    50         CleanupStack::PopAndDestroy(val);

    51         }

    52     }

    53 

    54 void TDmAdCertUtil::CertDnL(const CX500DistinguishedName& aName, TDes8& aOut)

    55     {

    56     TInt count = aName.Count();

    57     for (TInt i = 0; i < count; i++)

    58         {

    59         if(i > 0)

    60             aOut.Append(_L(","));

    61         const CX520AttributeTypeAndValue& ava = aName.Element(i);

    62         ParseAvaL(ava, aOut);

    63         }

    64     }

    65 

    66 HBufC8* TDmAdCertUtil::Sha1DigestL(const TDesC8& aData)

    67     {

    68     CUtlMessageDigest* digester = TUtlCrypto::MakeMessageDigesterL(TUtlCrypto::EUtlMessageDigestSha1);

    69     CleanupStack::PushL(digester);

    70 

    71     HBufC8* hashBuf = HBufC8::NewLC(digester->HashSize());

    72     TPtr8 hashBufDesc(hashBuf->Des());

    73     

    74     hashBufDesc.Copy(digester->Final(aData));

    75     CleanupStack::Pop(hashBuf);

    76     CleanupStack::PopAndDestroy(digester);

    77     return hashBuf;

    78     }

    79 

    80 HBufC8* TDmAdCertUtil::RSAKeyIdentifierLC(const TDesC8& aKeyData)

    81     {

    82     TX509KeyFactory keyFactory;

    83     CRSAPublicKey* rsaKey = keyFactory.RSAPublicKeyL(aKeyData);

    84     CleanupStack::PushL(rsaKey);

    85     HBufC8* modulusBuffer = rsaKey->N().BufferLC();

    86     HBufC8* hash = TDmAdCertUtil::Sha1DigestL(*modulusBuffer);

    87     CleanupStack::PopAndDestroy(2); // modulusBuffer, rsaKey

    88     CleanupStack::PushL(hash);

    89     return hash;

    90     }