1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/crypto/weakcryptospi/test/tbigint/tmontgomeryperformance.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,238 @@
1.4 +/*
1.5 +* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of the License "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +#include "tmontgomeryperformance.h"
1.23 +#include "t_input.h"
1.24 +#include "t_output.h"
1.25 +#include <bigint.h>
1.26 +#include "../../source/bigint/mont.h"
1.27 +
1.28 +_LIT(KPerfConstFormat, "\tConstruction Time\t%f");
1.29 +_LIT(KPerfMultiplyFormat, "\tMultiply Time\t%f");
1.30 +_LIT(KPerfSquareFormat, "\tSquare Time\t%f");
1.31 +_LIT(KPerfExpFormat, "\tExponentiate Time\t%f");
1.32 +_LIT(KPerfReduceFormat, "\tReduce Time\t%f");
1.33 +
1.34 +CTestAction* CMontgomeryPerformance::NewL(RFs& aFs, CConsoleBase& aConsole,
1.35 + Output& aOut, const TTestActionSpec& aTestActionSpec)
1.36 + {
1.37 + CTestAction* self = CMontgomeryPerformance::NewLC(aFs, aConsole,
1.38 + aOut, aTestActionSpec);
1.39 + CleanupStack::Pop();
1.40 + return self;
1.41 + }
1.42 +
1.43 +CTestAction* CMontgomeryPerformance::NewLC(RFs& aFs, CConsoleBase& aConsole,
1.44 + Output& aOut, const TTestActionSpec& aTestActionSpec)
1.45 + {
1.46 + CMontgomeryPerformance* self = new(ELeave) CMontgomeryPerformance(aFs, aConsole, aOut);
1.47 + CleanupStack::PushL(self);
1.48 + self->ConstructL(aTestActionSpec);
1.49 + return self;
1.50 + }
1.51 +
1.52 +CMontgomeryPerformance::~CMontgomeryPerformance()
1.53 + {
1.54 + delete iBody;
1.55 + iA.Close();
1.56 + iB.Close();
1.57 + iModulus.Close();
1.58 + }
1.59 +
1.60 +CMontgomeryPerformance::CMontgomeryPerformance(RFs& aFs, CConsoleBase& aConsole,
1.61 + Output& aOut) : CTestAction(aConsole, aOut), iFs(aFs)
1.62 + {
1.63 + }
1.64 +
1.65 +void CMontgomeryPerformance::ConstructL(const TTestActionSpec& aTestActionSpec)
1.66 + {
1.67 + CTestAction::ConstructL(aTestActionSpec);
1.68 + iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
1.69 + iBody->Des().Copy(aTestActionSpec.iActionBody);
1.70 +
1.71 + iIterations = Input::ParseIntElement(*iBody, _L8("<iterations>"), _L8("</iterations>"));
1.72 +
1.73 + TUint bits = Input::ParseIntElement(*iBody, _L8("<bits>"), _L8("</bits>"));
1.74 +
1.75 + do
1.76 + {
1.77 + if(*((TUint*)&iModulus)) //if the size is zero, ie iModulus hasn't been initialised so don't clean it up
1.78 + {
1.79 + iModulus.Close();
1.80 + }
1.81 + iModulus = RInteger::NewRandomL(bits);
1.82 + }
1.83 + while(iModulus.IsEven());
1.84 +
1.85 + iA = RInteger::NewRandomL(TInteger::One(), iModulus);
1.86 + iB = RInteger::NewRandomL(TInteger::One(), iModulus);
1.87 + }
1.88 +
1.89 +void CMontgomeryPerformance::DoPerformPrerequisite(TRequestStatus& aStatus)
1.90 + {
1.91 + TRequestStatus* status = &aStatus;
1.92 + User::RequestComplete(status, KErrNone);
1.93 + iActionState = CTestAction::EAction;
1.94 + }
1.95 +
1.96 +void CMontgomeryPerformance::DoPerformPostrequisite(TRequestStatus& aStatus)
1.97 + {
1.98 + TRequestStatus* status = &aStatus;
1.99 + iFinished = ETrue;
1.100 + User::RequestComplete(status, KErrNone);
1.101 + }
1.102 +
1.103 +void CMontgomeryPerformance::DoReportAction(void)
1.104 + {
1.105 + }
1.106 +
1.107 +void CMontgomeryPerformance::DoCheckResult(TInt)
1.108 + {
1.109 + }
1.110 +
1.111 +void CMontgomeryPerformance::PerformAction(TRequestStatus& aStatus)
1.112 + {
1.113 + TRequestStatus* status = &aStatus;
1.114 + iResult = ETrue;
1.115 +
1.116 + CMontgomeryStructure* montConst;
1.117 +
1.118 + TUint iterations = 0;
1.119 +
1.120 + TTime start, end;
1.121 + TTimeIntervalSeconds diff(0);
1.122 + const TTimeIntervalSeconds iterationTime(iIterations);
1.123 +
1.124 + start.UniversalTime();
1.125 + while (diff < iterationTime)
1.126 + {
1.127 + montConst = CMontgomeryStructure::NewL(iModulus);
1.128 + delete montConst;
1.129 + iterations++;
1.130 + end.UniversalTime();
1.131 + end.SecondsFrom(start, diff);
1.132 + }
1.133 + end.UniversalTime();
1.134 +
1.135 + TTimeIntervalMicroSeconds time = end.MicroSecondsFrom(start);
1.136 + TReal rate = I64REAL(time.Int64()) / (iterations);
1.137 + TReal rtime = I64REAL(time.Int64());
1.138 + HBufC* realbuf = HBufC::NewLC(128);
1.139 + TPtr buf = realbuf->Des();
1.140 + buf.Format(KPerfConstFormat, rate, iterations, rtime);
1.141 + iOut.writeString(buf);
1.142 + iConsole.Printf(_L("."));
1.143 +
1.144 + CMontgomeryStructure* mont = CMontgomeryStructure::NewLC(iModulus);
1.145 +
1.146 +//Multiply
1.147 + diff = 0;
1.148 + iterations = 0;
1.149 + start.UniversalTime();
1.150 + while (diff < iterationTime)
1.151 + {
1.152 + mont->MultiplyL(iA, iB);
1.153 + iterations++;
1.154 + end.UniversalTime();
1.155 + end.SecondsFrom(start, diff);
1.156 + }
1.157 + end.UniversalTime();
1.158 +
1.159 + time = end.MicroSecondsFrom(start);
1.160 + rate = I64REAL(time.Int64()) / iterations;
1.161 + rtime = I64REAL(time.Int64());
1.162 + buf.Zero();
1.163 + buf.Format(KPerfMultiplyFormat, rate, iterations, rtime);
1.164 + iOut.writeString(buf);
1.165 + iConsole.Printf(_L("."));
1.166 +
1.167 +//Square
1.168 + diff = 0;
1.169 + iterations = 0;
1.170 + start.UniversalTime();
1.171 + while (diff < iterationTime)
1.172 + {
1.173 + mont->SquareL(iA);
1.174 + iterations++;
1.175 + end.UniversalTime();
1.176 + end.SecondsFrom(start, diff);
1.177 + }
1.178 + end.UniversalTime();
1.179 +
1.180 + time = end.MicroSecondsFrom(start);
1.181 + rate = I64REAL(time.Int64()) / iterations;
1.182 + rtime = I64REAL(time.Int64());
1.183 + buf.Zero();
1.184 + buf.Format(KPerfSquareFormat, rate, iterations, rtime);
1.185 + iOut.writeString(buf);
1.186 + iConsole.Printf(_L("."));
1.187 +
1.188 +//Exponentiate
1.189 + diff = 0;
1.190 + iterations = 0;
1.191 + start.UniversalTime();
1.192 + while (diff < iterationTime)
1.193 + {
1.194 + mont->ExponentiateL(iA, iB);
1.195 + iterations++;
1.196 + end.UniversalTime();
1.197 + end.SecondsFrom(start, diff);
1.198 + }
1.199 + end.UniversalTime();
1.200 +
1.201 + time = end.MicroSecondsFrom(start);
1.202 + rate = I64REAL(time.Int64()) / iterations;
1.203 + rtime = I64REAL(time.Int64());
1.204 +
1.205 + buf.Zero();
1.206 + buf.Format(KPerfExpFormat, rate, iterations, rtime);
1.207 + iOut.writeString(buf);
1.208 + iConsole.Printf(_L("."));
1.209 +
1.210 +//Reduce
1.211 + RInteger top = iA.TimesL(iB);
1.212 + CleanupStack::PushL(top);
1.213 +
1.214 + diff = 0;
1.215 + iterations = 0;
1.216 + start.UniversalTime();
1.217 + while (diff < iterationTime)
1.218 + {
1.219 + mont->ReduceL(top);
1.220 + iterations++;
1.221 + end.UniversalTime();
1.222 + end.SecondsFrom(start, diff);
1.223 + }
1.224 + end.UniversalTime();
1.225 +
1.226 + CleanupStack::PopAndDestroy(&top);
1.227 +
1.228 + time = end.MicroSecondsFrom(start);
1.229 + rate = I64REAL(time.Int64()) / iterations;
1.230 + rtime = I64REAL(time.Int64());
1.231 + buf.Zero();
1.232 + buf.Format(KPerfReduceFormat, rate, iterations, rtime);
1.233 + iOut.writeString(buf);
1.234 + iConsole.Printf(_L("."));
1.235 + CleanupStack::PopAndDestroy(mont);
1.236 + CleanupStack::PopAndDestroy(realbuf);
1.237 +
1.238 + User::RequestComplete(status, KErrNone);
1.239 + iActionState = CTestAction::EPostrequisite;
1.240 + }
1.241 +