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os/security/cryptoservices/certificateandkeymgmt/twtlscert/CertWriter.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 /*

     2 * Copyright (c) 1998-2009 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 * TWTLSOUT.CPP

    16 *

    17 */

    18 

    19 

    20 #include "CertWriter.h"

    21 

    22 WTLSCertWriter::WTLSCertWriter(Output* aOut)

    23 	:iOut(aOut)

    24 	{

    25 	}

    26 

    27 void WTLSCertWriter::SetOut(Output* aOut)

    28 	{

    29 	iOut = aOut;

    30 	}

    31 

    32 void WTLSCertWriter::WriteCert(const CWTLSCertificate& aCertificate)

    33 	{

    34 	CWTLSCertificate* cert = CWTLSCertificate::NewL(aCertificate);

    35 	CleanupStack::PushL(cert);

    36 	WriteEncodings(*cert);

    37 	iOut->writeNewLine();

    38 	iOut->writeString(_L("Version = "));

    39 	iOut->writeNum(cert->Version());	

    40 	iOut->writeNewLine();	

    41 	ShowValidityPeriod(*cert);

    42 	iOut->writeString(_L("Issuer Name = "));

    43 	iOut->writeNewLine();	

    44 	ShowName(cert->IssuerName());	

    45 	iOut->writeNewLine();	

    46 	iOut->writeString(_L("Subject Name = "));

    47 	iOut->writeNewLine();	

    48 	ShowName(cert->SubjectName());

    49 	iOut->writeNewLine();	

    50 	ShowSigningAlgorithm(cert->SigningAlgorithm());

    51 	ShowPublicKey(aCertificate);

    52 

    53 	iOut->writeString(_L("Short Issuer Name = "));

    54 	HBufC* issuer = cert->IssuerL();

    55 	iOut->writeString(*issuer);

    56 	iOut->writeNewLine();

    57 	delete issuer;

    58 

    59 	iOut->writeString(_L("Short Subject Name = "));

    60 	HBufC* subject = cert->SubjectL();

    61 	iOut->writeString(*subject);

    62 	iOut->writeNewLine();

    63 	delete subject;

    64 

    65 	iOut->writeString(_L("Full structured issuer & subject names"));

    66 	iOut->writeNewLine();

    67 	CWTLSStructuredText* sIssuer = NULL;

    68 	TRAPD(err, sIssuer = CWTLSStructuredText::NewL(cert->IssuerName().NameData()));

    69 	if (err != KErrNone)

    70 		{

    71 		if (err == KErrNoMemory)

    72 			{

    73 			User::Leave(err);

    74 			}

    75 		}

    76 	else

    77 		{

    78 		const TWTLSStructuredTextField* field = sIssuer->FieldByName(KWTLSCountryName);

    79 		if (field)

    80 			{

    81 			iOut->writeString(field->Type());

    82 			iOut->writeString(_L(" = "));

    83 			iOut->writeString(field->Value());

    84 			iOut->writeNewLine();

    85 			__ASSERT_ALWAYS((field->Value() == sIssuer->Country()),User::Panic(_L("CERT"),0));

    86 			}

    87 

    88 		field = sIssuer->FieldByName(KWTLSOrganizationName);

    89 		if (field)

    90 			{

    91 			iOut->writeString(field->Type());

    92 			iOut->writeString(_L(" = "));

    93 			iOut->writeString(field->Value());

    94 			iOut->writeNewLine();

    95 			__ASSERT_ALWAYS((field->Value() == sIssuer->Organization()),User::Panic(_L("CERT"),0));

    96 			}

    97 		field = sIssuer->FieldByName(KWTLSServiceName);

    98 		if (field)

    99 			{

   100 			iOut->writeString(field->Type());

   101 			iOut->writeString(_L(" = "));

   102 			iOut->writeString(field->Value());

   103 			iOut->writeNewLine();

   104 			__ASSERT_ALWAYS((field->Value() == sIssuer->ServiceName()),User::Panic(_L("CERT"),0));

   105 			}

   106 		field = sIssuer->FieldByName(KWTLSTitle);

   107 		if (field)

   108 			{

   109 			iOut->writeString(field->Type());

   110 			iOut->writeString(_L(" = "));

   111 			iOut->writeString(field->Value());

   112 			iOut->writeNewLine();

   113 			}

   114 		field = sIssuer->FieldByName(KWTLSCommonName);

   115 		if (field)

   116 			{

   117 			iOut->writeString(field->Type());

   118 			iOut->writeString(_L(" = "));

   119 			iOut->writeString(field->Value());

   120 			iOut->writeNewLine();

   121 			}

   122 		delete sIssuer;

   123 		}

   124 

   125 	CWTLSStructuredText* sSubject = NULL;

   126 	TRAP(err, sSubject = CWTLSStructuredText::NewL(cert->SubjectName().NameData()));

   127 	if (err != KErrNone)

   128 		{

   129 		if (err == KErrNoMemory)

   130 			{

   131 			User::Leave(err);

   132 			}

   133 		}

   134 	else

   135 		{

   136 		TInt count = sSubject->Count();

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

   138 			{

   139 			const TWTLSStructuredTextField& field = sSubject->FieldByIndex(i);

   140 			iOut->writeString(field.Type());

   141 			iOut->writeString(_L(" = "));

   142 			iOut->writeString(field.Value());

   143 			iOut->writeNewLine();

   144 			}

   145 		delete sSubject;

   146 		}

   147 

   148 	if (cert->IsSelfSignedL())

   149 		{

   150 		const CWTLSName& subject = cert->SubjectName();

   151 		const CWTLSName& issuer = cert->IssuerName();

   152 		if ((subject.NameType() == EWTLSText) && (issuer.NameType() == EWTLSText))

   153 			{

   154 			CWTLSText* sText = CWTLSText::NewLC(subject.NameData());

   155 			CWTLSText* iText = CWTLSText::NewLC(issuer.NameData());

   156 			__ASSERT_ALWAYS((sText->ExactMatchL(*iText)),User::Panic(_L("CERT"),0));

   157 			CleanupStack::PopAndDestroy(2);

   158 			}

   159 

   160 		}

   161 

   162 

   163 	CleanupStack::PopAndDestroy();

   164 	}

   165 

   166 void WTLSCertWriter::ShowName(const CWTLSName& aName)

   167 	{

   168 	if (aName.NameType() == EWTLSText)

   169 		{

   170 		CWTLSText* text = CWTLSText::NewL(aName.NameData());

   171 		CleanupStack::PushL(text);

   172 		iOut->writeString(_L("Char set = "));

   173 		iOut->writeNum(text->CharacterSet());

   174 		iOut->writeNewLine();

   175 		iOut->writeString(_L("Text = "));

   176 		iOut->writeString(text->Name());

   177 		iOut->writeNewLine();	

   178 		CleanupStack::PopAndDestroy();

   179 		}

   180 //	iOut->writeString(aName.Name());

   181 //	iOut->writeNewLine();

   182 	iOut->writeOctetStringL(aName.NameData());

   183 	}

   184 

   185 void WTLSCertWriter::ShowPublicKey(const CWTLSCertificate& aCertificate)

   186 	{

   187 	const CSubjectPublicKeyInfo& spki = aCertificate.PublicKey();

   188 	switch(spki.AlgorithmId())

   189 		{

   190 		case ERSA:

   191 			{

   192 			ShowRSAKey(spki);

   193 			break;

   194 			}

   195 		default:

   196 			//ignore any other algorithm

   197 			break;

   198 		}

   199 	}

   200 

   201 void WTLSCertWriter::ShowRSAKey(const CSubjectPublicKeyInfo& aSpki)

   202 	{

   203 	CRSAPublicKey* key = CWTLSRSAPublicKey::NewLC(aSpki.KeyData());

   204 	iOut->writeString(_L("RSA Key:"));

   205 	iOut->writeNewLine();

   206 	iOut->writeSpaces(4);

   207 	iOut->writeString(_L("Modulus = "));

   208 	iOut->writeNewLine();

   209 	const TInteger& mod = key->N();

   210 	HBufC8* mBuf = mod.BufferLC();

   211 	iOut->writeOctetStringL(mBuf->Des());

   212 	iOut->writeNewLine();	

   213 

   214 	iOut->writeSpaces(4);

   215 	iOut->writeString(_L("Exponent = "));

   216 	iOut->writeNewLine();

   217 	const TInteger& exp = key->E();

   218 	HBufC8* eBuf = exp.BufferLC();

   219 	iOut->writeOctetString(eBuf->Des());

   220 	iOut->writeNewLine();	

   221 	CleanupStack::PopAndDestroy(3);

   222 	}

   223 

   224 void WTLSCertWriter::ShowSigningAlgorithm(const CSigningAlgorithmIdentifier& aSigningAlgorithm)

   225 	{

   226 	iOut->writeString(_L("Signed using: "));

   227 	iOut->writeNewLine();

   228 	iOut->writeSpaces(4);

   229 	iOut->writeString(_L("Asymmetric algorithm = "));

   230 	const CAlgorithmIdentifier& algId = aSigningAlgorithm.AsymmetricAlgorithm();

   231 	switch(algId.Algorithm())

   232 	{

   233 	case ERSA:

   234 		{

   235 		iOut->writeString(_L("RSA"));

   236 		break;

   237 		}

   238 	case EDSA:

   239 		{

   240 		iOut->writeString(_L("DSA"));

   241 		break;

   242 		}

   243 	case EDH:

   244 		{

   245 		iOut->writeString(_L("DH"));

   246 		break;

   247 		}

   248 	default:

   249 		{

   250 		iOut->writeString(_L("Unknown"));

   251 		break;

   252 		}

   253 	}

   254 	iOut->writeNewLine();

   255 	iOut->writeSpaces(4);

   256 	iOut->writeString(_L("Digest algorithm = "));

   257 	const CAlgorithmIdentifier& digestId = aSigningAlgorithm.DigestAlgorithm();

   258 	switch(digestId.Algorithm())

   259 	{

   260 	case EMD2:

   261 		{

   262 		iOut->writeString(_L("MD2"));

   263 		break;

   264 		}

   265 	case EMD5:

   266 		{

   267 		iOut->writeString(_L("MD5"));

   268 		break;

   269 		}

   270 	case ESHA1:

   271 		{

   272 		iOut->writeString(_L("SHA1"));

   273 		break;

   274 		}

   275 	default:

   276 		{

   277 		iOut->writeString(_L("Unknown"));

   278 		break;

   279 		}

   280 	}

   281 	iOut->writeNewLine();

   282 	}

   283 

   284 void WTLSCertWriter::ShowSerialNumber(const TPtrC8& aSerialNumber)

   285 	{

   286 	iOut->writeString(_L("Serial Number = "));

   287 	iOut->writeOctetString(aSerialNumber);

   288 	iOut->writeNewLine();

   289 	}

   290 

   291 void WTLSCertWriter::ShowFingerprint(const CWTLSCertificate& aCertificate)

   292 	{

   293 	iOut->writeOctetString(aCertificate.Fingerprint());

   294 	iOut->writeNewLine();

   295 	}

   296 

   297 void WTLSCertWriter::ShowValidityPeriod(const CWTLSCertificate& aCertificate)

   298 	{

   299 	const CValidityPeriod& vp = aCertificate.ValidityPeriod();

   300 	iOut->writeString(_L("Validity Period = "));

   301 	iOut->writeNewLine();

   302 	const TTime& start = vp.Start();

   303 	const TTime& finish = vp.Finish();

   304 	TBuf<30> dateString1;

   305 	start.FormatL(dateString1,(_L("%H%:1%T:%S %*E%*D %X%*N%Y %1 %2 %3")));

   306 

   307 	iOut->writeSpaces(4);

   308 	iOut->writeString(_L("Valid From = "));

   309 	iOut->writeString(dateString1);

   310 	iOut->writeNewLine();

   311 

   312 	TBuf<30> dateString2;

   313 	finish.FormatL(dateString2,(_L("%H%:1%T:%S %*E%*D %X%*N%Y %1 %2 %3")));

   314 

   315 	iOut->writeSpaces(4);

   316 	iOut->writeString(_L("Valid Until = "));

   317 

   318 	iOut->writeString(dateString2);

   319 	iOut->writeNewLine();

   320 	}

   321 

   322 void WTLSCertWriter::WriteEncodings(const CWTLSCertificate& aCertificate)

   323 	{

   324 	iOut->writeString(_L("Version:"));

   325 	iOut->writeNewLine();

   326 	const TPtrC8* encoding = Encoding(aCertificate, CWTLSCertificate::EVersionNumber);

   327 	if (encoding)

   328 		{

   329 		iOut->writeOctetString(*encoding);

   330 		}

   331 	iOut->writeNewLine();

   332 

   333 	iOut->writeString(_L("Algorithm:"));

   334 	iOut->writeNewLine();

   335 	encoding = Encoding(aCertificate, CWTLSCertificate::EAlgorithmId);

   336 	if (encoding)

   337 		{

   338 		CWTLSSigningAlgorithmIdentifier* algId = CWTLSSigningAlgorithmIdentifier::NewL(*encoding);

   339 		CleanupStack::PushL(algId);

   340 		__ASSERT_ALWAYS((*algId==aCertificate.SigningAlgorithm()),User::Panic(_L("CERT"),0));

   341 		iOut->writeOctetString(*encoding);

   342 		CleanupStack::PopAndDestroy();

   343 		}

   344 	iOut->writeNewLine();

   345 

   346 	iOut->writeString(_L("Issuer:"));

   347 	iOut->writeNewLine();

   348 	encoding = Encoding(aCertificate, CWTLSCertificate::EIssuerName);

   349 	if (encoding)

   350 		{

   351 		CWTLSName* name = CWTLSName::NewL(*encoding);

   352 		CleanupStack::PushL(name);

   353 		__ASSERT_ALWAYS(	(name->ExactMatchL(aCertificate.IssuerName())	),User::Panic(_L("CERT"),0));

   354 		iOut->writeOctetStringL(*encoding);

   355 		CleanupStack::PopAndDestroy();

   356 		}

   357 	iOut->writeNewLine();

   358 

   359 	iOut->writeString(_L("Validity:"));

   360 	iOut->writeNewLine();

   361 	encoding = Encoding(aCertificate, CWTLSCertificate::EValidityPeriod);

   362 	if (encoding)

   363 		{

   364 		CValidityPeriod* val  = CWTLSValidityPeriod::NewL(*encoding);

   365 		CleanupStack::PushL(val);

   366 		__ASSERT_ALWAYS(((val->Start() == aCertificate.ValidityPeriod().Start()) && (val->Finish() == aCertificate.ValidityPeriod().Finish())),User::Panic(_L("CERT"),0));

   367 		iOut->writeOctetString(*encoding);

   368 		CleanupStack::PopAndDestroy();

   369 		}

   370 	iOut->writeNewLine();

   371 

   372 	iOut->writeString(_L("Subject:"));

   373 	iOut->writeNewLine();

   374 	encoding = Encoding(aCertificate, CWTLSCertificate::ESubjectName);

   375 	if (encoding)

   376 		{

   377 		CWTLSName* name = CWTLSName::NewL(*encoding);

   378 		CleanupStack::PushL(name);

   379 		__ASSERT_ALWAYS(	(name->ExactMatchL(aCertificate.SubjectName())	),User::Panic(_L("CERT"),0));

   380 		iOut->writeOctetStringL(*encoding);

   381 		CleanupStack::PopAndDestroy();

   382 		}

   383 	iOut->writeNewLine();

   384 

   385 	iOut->writeString(_L("Public Key:"));

   386 	iOut->writeNewLine();

   387 	encoding = Encoding(aCertificate, CWTLSCertificate::ESubjectPublicKeyInfo);

   388 	if (encoding)

   389 		{

   390 		CSubjectPublicKeyInfo* info  = CWTLSSubjectPublicKeyInfo::NewL(*encoding);

   391 		CleanupStack::PushL(info);

   392 		__ASSERT_ALWAYS((info->KeyData() == aCertificate.PublicKey().KeyData()),User::Panic(_L("CERT"),0));

   393 		iOut->writeOctetStringL(*encoding);

   394 		CleanupStack::PopAndDestroy();

   395 		}

   396 	iOut->writeNewLine();

   397 	}

   398 

   399 const TPtrC8* WTLSCertWriter::Encoding(const CWTLSCertificate& aCertificate, const TUint aIndex)

   400 	{

   401 	if (aCertificate.DataElementEncoding(aIndex))

   402 		{

   403 		return aCertificate.DataElementEncoding(aIndex);

   404 		}

   405 	return NULL;

   406 	}

   407
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