secureswitools/swisistools/source/common/util.cpp
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     1 /*
       
     2 * Copyright (c) 2008-2009 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 /**
       
    20  @file 
       
    21  @internalComponent
       
    22  @released
       
    23 */
       
    24 
       
    25 #include "util.h"
       
    26 #include "symbiantypes.h"
       
    27 #include <windows.h>
       
    28 #include <fstream.h>
       
    29 #include <iostream>
       
    30 #include <sstream>
       
    31 // openssl
       
    32 #include <openssl/bio.h>
       
    33 #include <openssl/evp.h>
       
    34 #include <openssl/buffer.h>
       
    35 
       
    36 static const TUint32 CrcTab32[256] =
       
    37      {
       
    38      0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
       
    39      0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
       
    40      0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
       
    41      0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
       
    42      0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
       
    43      0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
       
    44      0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
       
    45      0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
       
    46      0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
       
    47      0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
       
    48      0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
       
    49      0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
       
    50      0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
       
    51      0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
       
    52      0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
       
    53      0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
       
    54      0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
       
    55      0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
       
    56      0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
       
    57      0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
       
    58      0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
       
    59      0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
       
    60      0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
       
    61      0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
       
    62      0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
       
    63      0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
       
    64      0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
       
    65      0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
       
    66      0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
       
    67      0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
       
    68      0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
       
    69      0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
       
    70      0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
       
    71      0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
       
    72      0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
       
    73      0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
       
    74      0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
       
    75      0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
       
    76      0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
       
    77      0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
       
    78      0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
       
    79      0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
       
    80      0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
       
    81      0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
       
    82      0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
       
    83      0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
       
    84      0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
       
    85      0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
       
    86      0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
       
    87      0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
       
    88      0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
       
    89      0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
       
    90      0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
       
    91      0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
       
    92      0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
       
    93      0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
       
    94      0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
       
    95      0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
       
    96      0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
       
    97      0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
       
    98      0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
       
    99      0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
       
   100      0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
       
   101      0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
       
   102      };
       
   103  
       
   104 
       
   105 DllExport std::string Util::wstring2string (const std::wstring& aWide)
       
   106 	{
       
   107 	int max = WideCharToMultiByte(CP_OEMCP,0,aWide.c_str(),aWide.length(),0,0,0,0);
       
   108 	std::string reply;
       
   109 	if (max > 0 )
       
   110 		{
       
   111 		char* buffer = new char [max];
       
   112 		try
       
   113 			{
       
   114 			WideCharToMultiByte(CP_OEMCP,0,aWide.c_str(),aWide.length(),buffer,max,0,0);
       
   115 			reply = std::string (buffer, max);
       
   116 			}
       
   117 		catch (...)
       
   118 			{
       
   119 			}
       
   120 		delete [] buffer;
       
   121 		}
       
   122 	return reply;
       
   123 	}
       
   124 
       
   125 std::wstring Util::string2wstring (const std::string& aNarrow)
       
   126 	{
       
   127 	int max = MultiByteToWideChar(CP_OEMCP,0,aNarrow.c_str(),aNarrow.length(),0,0);
       
   128 	std::wstring reply;
       
   129 	if (max > 0 )
       
   130 		{
       
   131 		wchar_t* buffer = new wchar_t [max];
       
   132 		try
       
   133 			{
       
   134 			MultiByteToWideChar(CP_OEMCP,0,aNarrow.c_str(),aNarrow.length(),buffer,max);
       
   135 			reply = std::wstring (buffer, max);
       
   136 			}
       
   137 		catch (...)
       
   138 			{
       
   139 			}
       
   140 		delete [] buffer;
       
   141 		}
       
   142 	return reply;
       
   143 	}
       
   144 
       
   145 std::wstring Util::string2wstring (const char* aNarrow)
       
   146 	{
       
   147 	std::string narrowStr(aNarrow);
       
   148 	int max = MultiByteToWideChar(CP_OEMCP,0,narrowStr.c_str(),narrowStr.length(),0,0);
       
   149 	std::wstring reply;
       
   150 	if (max > 0 )
       
   151 		{
       
   152 		wchar_t* buffer = new wchar_t [max];
       
   153 		try
       
   154 			{
       
   155 			MultiByteToWideChar(CP_OEMCP,0,narrowStr.c_str(),narrowStr.length(),buffer,max);
       
   156 			reply = std::wstring (buffer, max);
       
   157 			}
       
   158 		catch (...)
       
   159 			{
       
   160 			}
       
   161 		delete [] buffer;
       
   162 		}
       
   163 	return reply;
       
   164 	}
       
   165 
       
   166 DllExport int Util::WideCharToInteger(const wchar_t* aWideChar)
       
   167 	{
       
   168 	unsigned long int value=0;
       
   169 	std::wstringstream str(aWideChar);
       
   170 	str >> value;
       
   171 	return value;
       
   172 	}
       
   173 
       
   174 TInt64 Util::WideCharToInt64(const wchar_t* aWideChar)
       
   175 	{
       
   176 	__int64 i64 = 0;
       
   177 	swscanf(aWideChar, L"%I64d", &i64);
       
   178 	return i64;
       
   179 	}
       
   180 
       
   181 DllExport const std::wstring Util::IntegerToWideString(int aInt)
       
   182 	{
       
   183 	std::wstringstream wstream;
       
   184 	wstream << aInt;
       
   185 	return wstream.str();
       
   186 	}
       
   187 
       
   188 std::string Util::Base64Encode( const std::string& aBinaryData )
       
   189 	{
       
   190 	BIO *b64 = BIO_new(BIO_f_base64());
       
   191 	BIO *mem = BIO_new(BIO_s_mem());
       
   192 	mem = BIO_push(b64, mem);
       
   193 	BIO_write(mem, aBinaryData.c_str(), aBinaryData.length());
       
   194 	BIO_flush(b64);
       
   195 
       
   196 	BUF_MEM *bptr;
       
   197 	BIO_get_mem_ptr(mem, &bptr);
       
   198 	std::string encodedString(bptr->data, bptr->length); 
       
   199 
       
   200 	BIO_free_all(b64);
       
   201 
       
   202 	return encodedString;
       
   203 	}
       
   204 
       
   205 std::string Util::Base64Decode( const std::string& aEncodedData )
       
   206 	{
       
   207 	BIO *mem = BIO_new(BIO_s_mem());
       
   208 	BIO_write(mem, aEncodedData.c_str(), aEncodedData.length());
       
   209 
       
   210 	BIO* b64 = BIO_new(BIO_f_base64());
       
   211 	mem = BIO_push(b64, mem);
       
   212 	int inlen = 0;
       
   213 	char inbuf[40]={0};
       
   214 
       
   215 	inlen = BIO_read(b64, inbuf, aEncodedData.length());
       
   216     BIO_write(mem, inbuf, inlen);
       
   217 	std::string decodedData = inbuf;
       
   218 	
       
   219 	BIO_free_all(mem);
       
   220 	return decodedData;
       
   221 	}
       
   222 
       
   223 
       
   224 TUint32 Util::Crc32(const void* aPtr, TInt aLength)
       
   225 	{
       
   226 	const TUint8* p = (const TUint8*)aPtr;
       
   227 	const TUint8* q = p + aLength;
       
   228 	TUint32 crc = 0;
       
   229 	while (p < q)
       
   230 	 crc = (crc >> 8) ^ CrcTab32[(crc ^ *p++) & 0xff];
       
   231 	return crc;
       
   232 	}
       
   233