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os/security/crypto/weakcryptospi/source/asymmetric/rsakeys.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) 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 <asymmetrickeys.h>

    20 #include "rsakeypairshim.h"

    21 #include "../common/inlines.h"

    22 

    23 /* CRSAParameters */

    24 

    25 EXPORT_C const TInteger& CRSAParameters::N(void) const

    26 	{

    27 	return iN;

    28 	}

    29 

    30 EXPORT_C CRSAParameters::~CRSAParameters(void)

    31 	{

    32 	iN.Close();

    33 	}

    34 

    35 EXPORT_C CRSAParameters::CRSAParameters(RInteger& aN) : iN(aN)

    36 	{

    37 	}

    38 

    39 EXPORT_C CRSAParameters::CRSAParameters(void)

    40 	{

    41 	}

    42 

    43 /* CRSAPublicKey */

    44 

    45 EXPORT_C CRSAPublicKey* CRSAPublicKey::NewL(RInteger& aN, RInteger& aE)

    46 	{

    47 	CRSAPublicKey* self = NewLC(aN, aE);

    48 	CleanupStack::Pop();

    49 	return self;

    50 	}

    51 

    52 EXPORT_C CRSAPublicKey* CRSAPublicKey::NewLC(RInteger& aN, RInteger& aE)

    53 	{

    54 	CRSAPublicKey* self = new(ELeave) CRSAPublicKey(aN, aE);

    55 	CleanupStack::PushL(self);

    56 	self->ConstructL();

    57 	return self;

    58 	}

    59 

    60 

    61 void CRSAPublicKey::ConstructL()

    62 	{

    63 	// Check that the modulus and exponent are positive integers 

    64 	// as specified by RSA

    65 	if(!N().IsPositive() || !E().IsPositive() || (E() <= 1))

    66 		{

    67 		// If we need to leave during construction we must release ownership

    68 		// of the RInteger parameters that were passed in.

    69 		// These parameters should be on the cleanup stack so if we don't 

    70 		// release ownership they will be deleted twice, causing a panic

    71 		iN = RInteger();

    72 		iE = RInteger();

    73 		User::Leave(KErrArgument);

    74 		}

    75 	}

    76 

    77 

    78 EXPORT_C const TInteger& CRSAPublicKey::E(void) const

    79 	{

    80 	return iE;

    81 	}

    82 

    83 EXPORT_C CRSAPublicKey::CRSAPublicKey()

    84 	{

    85 	}

    86 

    87 EXPORT_C CRSAPublicKey::CRSAPublicKey(RInteger& aN, RInteger& aE)

    88 	: CRSAParameters(aN), iE(aE)

    89 	{

    90 	}

    91 

    92 EXPORT_C CRSAPublicKey::~CRSAPublicKey(void)

    93 	{

    94 	iE.Close();

    95 	}

    96 

    97 /* CRSAPrivateKeyType */

    98 

    99 CRSAPrivateKey::CRSAPrivateKey(const TRSAPrivateKeyType aKeyType, RInteger& aN)

   100 :	CRSAParameters(aN), iKeyType(aKeyType)

   101 {}

   102 

   103 

   104 /* CRSAPrivateKeyStandard */

   105 

   106 EXPORT_C CRSAPrivateKeyStandard* CRSAPrivateKeyStandard::NewL(RInteger& aN, 

   107 	RInteger& aD)

   108 	{

   109 	CRSAPrivateKeyStandard* self = NewLC(aN, aD);

   110 	CleanupStack::Pop();

   111 	return self;

   112 	}

   113 

   114 EXPORT_C CRSAPrivateKeyStandard* CRSAPrivateKeyStandard::NewLC(RInteger& aN,

   115 	RInteger& aD)

   116 	{

   117 	CRSAPrivateKeyStandard* self = new(ELeave) CRSAPrivateKeyStandard(aN, aD);

   118 	CleanupStack::PushL(self);

   119 	self->ConstructL();

   120 	return self;

   121 	}

   122 

   123 void CRSAPrivateKeyStandard::ConstructL()

   124 	{

   125 	// Check that the modulus and exponent are positive integers

   126 	if(!N().IsPositive() || !D().IsPositive() || (D() <= 1))

   127 		{

   128 		// If we need to leave during construction we must release ownership

   129 		// of the RInteger parameters that were passed in.

   130 		// These parameters should be on the cleanup stack so if we don't 

   131 		// release ownership they will be deleted twice, causing a panic

   132 		iN = RInteger();

   133 		iD = RInteger();

   134 		User::Leave(KErrArgument);

   135 		}

   136 	}

   137 

   138 EXPORT_C const TInteger& CRSAPrivateKeyStandard::D(void) const

   139 	{

   140 	return iD;

   141 	}

   142 

   143 EXPORT_C CRSAPrivateKeyStandard::CRSAPrivateKeyStandard(RInteger& aN, 

   144 	RInteger& aD) : CRSAPrivateKey(EStandard, aN), iD(aD)

   145 	{

   146 	}

   147 

   148 EXPORT_C CRSAPrivateKeyStandard::~CRSAPrivateKeyStandard()

   149 	{	

   150 	iD.Close();

   151 	}

   152 

   153 /* CRSAPrivateKeyCRT */

   154 

   155 EXPORT_C CRSAPrivateKeyCRT* CRSAPrivateKeyCRT::NewL(RInteger& aN, RInteger& aP,

   156 	RInteger& aQ, RInteger& aDP, RInteger& aDQ, RInteger& aQInv)

   157 	{

   158 	CRSAPrivateKeyCRT* self = NewLC(aN, aP, aQ, aDP, aDQ, aQInv);

   159 	CleanupStack::Pop();

   160 	return self;

   161 	}

   162 

   163 EXPORT_C CRSAPrivateKeyCRT* CRSAPrivateKeyCRT::NewLC(RInteger& aN, RInteger& aP, 

   164 	RInteger& aQ, RInteger& aDP, RInteger& aDQ, RInteger& aQInv)

   165 	{

   166 	CRSAPrivateKeyCRT* self = new(ELeave) CRSAPrivateKeyCRT(aN, aP, aQ, 

   167 		aDP, aDQ, aQInv);

   168 	CleanupStack::PushL(self);

   169 	self->ConstructL();

   170 	return self;

   171 	}

   172 

   173 EXPORT_C CRSAPrivateKeyCRT::CRSAPrivateKeyCRT(RInteger& aN, RInteger& aP, 

   174 	RInteger& aQ, RInteger& aDP, RInteger& aDQ, RInteger& aQInv) 

   175 	: CRSAPrivateKey(EStandardCRT, aN), iP(aP), iQ(aQ), iDP(aDP), iDQ(aDQ), 

   176 		iQInv(aQInv)

   177 	{

   178 	}

   179 

   180 void CRSAPrivateKeyCRT::ConstructL()

   181 	{

   182 	// Check that all parameters are positive integers

   183 	if(!P().IsPositive() || !Q().IsPositive() || !DP().IsPositive() 

   184 		|| !DQ().IsPositive() || !QInv().IsPositive())

   185 		{

   186 		// If we need to leave during construction we must release ownership

   187 		// of the RInteger parameters that were passed in.

   188 		// These parameters should be on the cleanup stack so if we don't 

   189 		// release ownership they will be deleted twice, causing a panic

   190 		iN = RInteger();

   191 		iP = RInteger();

   192 		iQ = RInteger();

   193 		iDP = RInteger();

   194 		iDQ = RInteger();

   195 		iQInv = RInteger();

   196 		User::Leave(KErrArgument);

   197 		}

   198 	}

   199 

   200 

   201 EXPORT_C CRSAPrivateKeyCRT::~CRSAPrivateKeyCRT()

   202 	{	

   203 	iP.Close();

   204 	iQ.Close();

   205 	iDP.Close();

   206 	iDQ.Close();

   207 	iQInv.Close();

   208 	}

   209 

   210 EXPORT_C const TInteger& CRSAPrivateKeyCRT::P(void) const

   211 	{

   212 	return iP;

   213 	}

   214 

   215 EXPORT_C const TInteger& CRSAPrivateKeyCRT::Q(void) const

   216 	{

   217 	return iQ;

   218 	}

   219 

   220 EXPORT_C const TInteger& CRSAPrivateKeyCRT::DP(void) const

   221 	{

   222 	return iDP;

   223 	}

   224 

   225 EXPORT_C const TInteger& CRSAPrivateKeyCRT::DQ(void) const

   226 	{

   227 	return iDQ;

   228 	}

   229 

   230 EXPORT_C const TInteger& CRSAPrivateKeyCRT::QInv(void) const

   231 	{

   232 	return iQInv;

   233 	}

   234 

   235 /* CRSAKeyPair */

   236 

   237 EXPORT_C CRSAKeyPair* CRSAKeyPair::NewL(TUint aModulusBits, 

   238 	TRSAPrivateKeyType aKeyType /*= EStandardCRT*/)

   239 	{

   240 	CRSAKeyPairShim* self = CRSAKeyPairShim::NewLC(aModulusBits, aKeyType);

   241 	CleanupStack::Pop();

   242 	return self;

   243 	}

   244 

   245 EXPORT_C CRSAKeyPair* CRSAKeyPair::NewLC(TUint aModulusBits, 

   246 	TRSAPrivateKeyType aKeyType /*= EStandardCRT*/)

   247 	{

   248 	CRSAKeyPairShim* self = CRSAKeyPairShim::NewLC(aModulusBits, aKeyType);

   249 	return self;

   250 	}

   251 

   252 EXPORT_C const CRSAPublicKey& CRSAKeyPair::PublicKey(void) const

   253 	{

   254 	return *iPublic;

   255 	}

   256 	

   257 EXPORT_C const CRSAPrivateKey& CRSAKeyPair::PrivateKey(void) const

   258 	{

   259 	return *iPrivate;

   260 	}

   261 

   262 EXPORT_C CRSAKeyPair::~CRSAKeyPair(void)

   263 	{

   264 	delete iPublic;

   265 	delete iPrivate;

   266 	}

   267 

   268 EXPORT_C CRSAKeyPair::CRSAKeyPair(void)

   269 	{

   270 	}

   271
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