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<h1>dll.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// dll.cpp - written and placed in the public domain by Wei Dai</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#define CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES</span>
<a name="l00004"></a>00004 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_DEFAULT_NO_DLL</span>
<a name="l00005"></a>00005 <span class="preprocessor"></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "dll.h"</span>
<a name="l00007"></a>00007 <span class="preprocessor">#pragma warning(default: 4660)</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span>
<a name="l00009"></a>00009 <span class="preprocessor">#if defined(CRYPTOPP_EXPORTS) && defined(CRYPTOPP_WIN32_AVAILABLE)</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#include <windows.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#endif</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#ifndef CRYPTOPP_IMPORTS</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a>00015 NAMESPACE_BEGIN(CryptoPP)
<a name="l00016"></a>00016
<a name="l00017"></a>00017 template<> const byte <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration</a><<a class="code" href="class_s_h_a1.html" title="SHA-1">SHA1</a>>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14};
<a name="l00018"></a>00018 <span class="keyword">template</span><> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA1>::length</a> = <span class="keyword">sizeof</span>(<a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA1>::decoration</a>);
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA224>::decoration</a>[] = {0x30,0x2d,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x04,0x05,0x00,0x04,0x1c};
<a name="l00021"></a>00021 <span class="keyword">template</span><> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA224>::length</a> = <span class="keyword">sizeof</span>(<a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA224>::decoration</a>);
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA256>::decoration</a>[] = {0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20};
<a name="l00024"></a>00024 <span class="keyword">template</span><> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA256>::length</a> = <span class="keyword">sizeof</span>(<a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA256>::decoration</a>);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA384>::decoration</a>[] = {0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30};
<a name="l00027"></a>00027 <span class="keyword">template</span><> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA384>::length</a> = <span class="keyword">sizeof</span>(<a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA384>::decoration</a>);
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA512>::decoration</a>[] = {0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40};
<a name="l00030"></a>00030 <span class="keyword">template</span><> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA512>::length</a> = <span class="keyword">sizeof</span>(<a class="code" href="class_p_k_c_s___digest_decoration.html">PKCS_DigestDecoration<SHA512>::decoration</a>);
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_e_m_s_a2_hash_id.html">EMSA2HashId<SHA>::id</a> = 0x33;
<a name="l00033"></a>00033 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_e_m_s_a2_hash_id.html">EMSA2HashId<SHA224>::id</a> = 0x38;
<a name="l00034"></a>00034 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_e_m_s_a2_hash_id.html">EMSA2HashId<SHA256>::id</a> = 0x34;
<a name="l00035"></a>00035 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_e_m_s_a2_hash_id.html">EMSA2HashId<SHA384>::id</a> = 0x36;
<a name="l00036"></a>00036 <span class="keyword">template</span><> <span class="keyword">const</span> byte <a class="code" href="class_e_m_s_a2_hash_id.html">EMSA2HashId<SHA512>::id</a> = 0x35;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 NAMESPACE_END
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="preprocessor">#ifdef CRYPTOPP_EXPORTS</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 USING_NAMESPACE(CryptoPP)
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#if !(defined(_MSC_VER) && (_MSC_VER < 1300))</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="keyword">using</span> std::set_new_handler;
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="keyword">static</span> PNew s_pNew = NULL;
<a name="l00051"></a>00051 <span class="keyword">static</span> PDelete s_pDelete = NULL;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keywordtype">void</span> * New (<span class="keywordtype">size_t</span> size)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 <span class="keywordtype">void</span> *p;
<a name="l00056"></a>00056 <span class="keywordflow">while</span> (!(p = malloc(size)))
<a name="l00057"></a>00057 CallNewHandler();
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">return</span> p;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keywordtype">void</span> SetNewAndDeleteFunctionPointers()
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordtype">void</span> *p = NULL;
<a name="l00065"></a>00065 HMODULE hModule = NULL;
<a name="l00066"></a>00066 MEMORY_BASIC_INFORMATION mbi;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordflow">while</span> (<span class="keyword">true</span>)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 VirtualQuery(p, &mbi, <span class="keyword">sizeof</span>(mbi));
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (p >= (<span class="keywordtype">char</span> *)mbi.BaseAddress + mbi.RegionSize)
<a name="l00073"></a>00073 <span class="keywordflow">break</span>;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 p = (<span class="keywordtype">char</span> *)mbi.BaseAddress + mbi.RegionSize;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 if (!mbi.AllocationBase || mbi.AllocationBase == hModule)
<a name="l00078"></a>00078 <span class="keywordflow">continue</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 hModule = HMODULE(mbi.AllocationBase);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 PGetNewAndDelete pGetNewAndDelete = (PGetNewAndDelete)GetProcAddress(hModule, <span class="stringliteral">"GetNewAndDeleteForCryptoPP"</span>);
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (pGetNewAndDelete)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 pGetNewAndDelete(s_pNew, s_pDelete);
<a name="l00086"></a>00086 <span class="keywordflow">return</span>;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 PSetNewAndDelete pSetNewAndDelete = (PSetNewAndDelete)GetProcAddress(hModule, <span class="stringliteral">"SetNewAndDeleteFromCryptoPP"</span>);
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (pSetNewAndDelete)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 s_pNew = &New;
<a name="l00093"></a>00093 s_pDelete = &free;
<a name="l00094"></a>00094 pSetNewAndDelete(s_pNew, s_pDelete, &set_new_handler);
<a name="l00095"></a>00095 <span class="keywordflow">return</span>;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">// try getting these directly using mangled names of new and delete operators</span>
<a name="l00100"></a>00100
<a name="l00101"></a>00101 hModule = GetModuleHandle(<span class="stringliteral">"msvcrtd"</span>);
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (!hModule)
<a name="l00103"></a>00103 hModule = GetModuleHandle(<span class="stringliteral">"msvcrt"</span>);
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (hModule)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="comment">// 32-bit versions</span>
<a name="l00107"></a>00107 s_pNew = (PNew)GetProcAddress(hModule, <span class="stringliteral">"??2@YAPAXI@Z"</span>);
<a name="l00108"></a>00108 s_pDelete = (PDelete)GetProcAddress(hModule, <span class="stringliteral">"??3@YAXPAX@Z"</span>);
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (s_pNew && s_pDelete)
<a name="l00110"></a>00110 <span class="keywordflow">return</span>;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="comment">// 64-bit versions</span>
<a name="l00113"></a>00113 s_pNew = (PNew)GetProcAddress(hModule, <span class="stringliteral">"??2@YAPEAX_K@Z"</span>);
<a name="l00114"></a>00114 s_pDelete = (PDelete)GetProcAddress(hModule, <span class="stringliteral">"??3@YAXPEAX@Z"</span>);
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (s_pNew && s_pDelete)
<a name="l00116"></a>00116 <span class="keywordflow">return</span>;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 OutputDebugString(<span class="stringliteral">"Crypto++ was not able to obtain new and delete function pointers.\n"</span>);
<a name="l00120"></a>00120 <span class="keywordflow">throw</span> 0;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">void</span> * operator new (<span class="keywordtype">size_t</span> size)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (!s_pNew)
<a name="l00126"></a>00126 SetNewAndDeleteFunctionPointers();
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">return</span> s_pNew(size);
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordtype">void</span> operator delete (<span class="keywordtype">void</span> * p)
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 s_pDelete(p);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordtype">void</span> * operator new [] (<span class="keywordtype">size_t</span> size)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">return</span> operator new (size);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordtype">void</span> operator delete [] (<span class="keywordtype">void</span> * p)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 operator delete (p);
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="preprocessor">#endif // #ifdef CRYPTOPP_EXPORTS</span>
</pre></div></div>
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