diff -r 000000000000 -r 2c201484c85f cryptoservices/certificateandkeymgmt/pkcs7/pkcs7signerinfo.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cryptoservices/certificateandkeymgmt/pkcs7/pkcs7signerinfo.cpp Wed Jul 08 11:25:26 2009 +0100 @@ -0,0 +1,119 @@ +/* +* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* +*/ + + + + +#include "pkcs7signerinfo.h" +#include "pkcs7issuerserial.h" +#include "pkcs7asn1.h" +#include "signed.h" +#include +#include + +CPKCS7SignerInfo* CPKCS7SignerInfo::NewL(const TDesC8& aRawData) + { + CPKCS7SignerInfo* self = new (ELeave) CPKCS7SignerInfo(); + CleanupStack::PushL(self); + self->ConstructL(aRawData); + CleanupStack::Pop(self); + return self; + } + +CPKCS7SignerInfo::~CPKCS7SignerInfo(void) + { + delete iIssuerAndSerialNumber; + delete iDigestAlgorithm; + delete iDigestEncryptionAlgorithm; + delete iEncryptedDigest; + } + +CPKCS7SignerInfo::CPKCS7SignerInfo(void) + { + } + +EXPORT_C TInt CPKCS7SignerInfo::Version() const + { + return iVersion; + } + +EXPORT_C const CPKCS7IssuerAndSerialNumber& CPKCS7SignerInfo::IssuerAndSerialNumber() const + { + return *iIssuerAndSerialNumber; + } + +EXPORT_C const CX509AlgorithmIdentifier& CPKCS7SignerInfo::DigestAlgorithm() const + { + return *iDigestAlgorithm; + } + +EXPORT_C const CX509AlgorithmIdentifier& CPKCS7SignerInfo::DigestEncryptionAlgorithm() const + { + return *iDigestEncryptionAlgorithm; + } + +EXPORT_C const TPtrC8 CPKCS7SignerInfo::EncryptedDigest() const + { + return *iEncryptedDigest; + } + + +void CPKCS7SignerInfo::ConstructL(const TDesC8& aRawData) + { + CArrayPtr* signerInfo = PKCS7ASN1::DecodeSequenceLC(aRawData, 5, 7); + TASN1DecInteger decInt; + TInt pos = 3; + + // decodes version + iVersion = decInt.DecodeDERShortL(*signerInfo->At(0)); + + iIssuerAndSerialNumber = CPKCS7IssuerAndSerialNumber::NewL(signerInfo->At(1)->Encoding()); + + iDigestAlgorithm = CX509AlgorithmIdentifier::NewL(signerInfo->At(2)->Encoding()); + + if(signerInfo->At(pos)->Tag() == 0) + { + // authenticated attributes not supported at this time + pos++; + } + iDigestEncryptionAlgorithm = CX509AlgorithmIdentifier::NewL(signerInfo->At(pos++)->Encoding()); + DecodeEncryptedDigestL(signerInfo->At(pos++)->Encoding()); + + if(pos < signerInfo->Count() && (signerInfo->At(pos)->Tag() == 0)) + { + // unauthenticated attributes not supported at this time + pos++; + } + + CleanupStack::PopAndDestroy(signerInfo); + } + +void CPKCS7SignerInfo::DecodeEncryptedDigestL(const TDesC8& aRawData) + { + TASN1DecGeneric decGen(aRawData); + decGen.InitL(); + + if(decGen.Tag() == EASN1OctetString) + { + TASN1DecOctetString decOct; + iEncryptedDigest = decOct.DecodeDERL(decGen); + } + else + { + User::Leave(KErrArgument); + } + }