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external/crypto++-5.6.3/dll.cpp

@@ -0,0 +1,160 @@
+// dll.cpp - written and placed in the public domain by Wei Dai
+
+#define CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES
+#define CRYPTOPP_DEFAULT_NO_DLL
+
+#include "dll.h"
+#include "config.h"
+
+// TODO: fix the C4589 warnings
+#if CRYPTOPP_MSC_VERSION
+# pragma warning(disable: 4589)
+#endif
+
+#if CRYPTOPP_MSC_VERSION
+# pragma warning(default: 4660)
+#endif
+
+#if defined(CRYPTOPP_EXPORTS) && defined(CRYPTOPP_WIN32_AVAILABLE)
+#include <windows.h>
+#endif
+
+#ifndef CRYPTOPP_IMPORTS
+
+NAMESPACE_BEGIN(CryptoPP)
+
+template<> const byte PKCS_DigestDecoration<SHA1>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14};
+template<> const unsigned int PKCS_DigestDecoration<SHA1>::length = sizeof(PKCS_DigestDecoration<SHA1>::decoration);
+
+template<> const byte PKCS_DigestDecoration<SHA224>::decoration[] = {0x30,0x2d,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x04,0x05,0x00,0x04,0x1c};
+template<> const unsigned int PKCS_DigestDecoration<SHA224>::length = sizeof(PKCS_DigestDecoration<SHA224>::decoration);
+
+template<> const byte PKCS_DigestDecoration<SHA256>::decoration[] = {0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20};
+template<> const unsigned int PKCS_DigestDecoration<SHA256>::length = sizeof(PKCS_DigestDecoration<SHA256>::decoration);
+
+template<> const byte PKCS_DigestDecoration<SHA384>::decoration[] = {0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30};
+template<> const unsigned int PKCS_DigestDecoration<SHA384>::length = sizeof(PKCS_DigestDecoration<SHA384>::decoration);
+
+template<> const byte PKCS_DigestDecoration<SHA512>::decoration[] = {0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40};
+template<> const unsigned int PKCS_DigestDecoration<SHA512>::length = sizeof(PKCS_DigestDecoration<SHA512>::decoration);
+
+template<> const byte EMSA2HashId<SHA>::id = 0x33;
+template<> const byte EMSA2HashId<SHA224>::id = 0x38;
+template<> const byte EMSA2HashId<SHA256>::id = 0x34;
+template<> const byte EMSA2HashId<SHA384>::id = 0x36;
+template<> const byte EMSA2HashId<SHA512>::id = 0x35;
+
+NAMESPACE_END
+
+#endif
+
+#ifdef CRYPTOPP_EXPORTS
+
+USING_NAMESPACE(CryptoPP)
+
+#if !(defined(_MSC_VER) && (_MSC_VER < 1300))
+using std::set_new_handler;
+#endif
+
+static PNew s_pNew = NULL;
+static PDelete s_pDelete = NULL;
+
+static void * New (size_t size)
+{
+	void *p;
+	while ((p = malloc(size)) == NULL)
+		CallNewHandler();
+
+	return p;
+}
+
+// Cast from FARPROC to funcptr with args, http://stackoverflow.com/q/4192058/608639
+#pragma warning(disable: 4191)
+
+static void SetNewAndDeleteFunctionPointers()
+{
+	void *p = NULL;
+	HMODULE hModule = NULL;
+	MEMORY_BASIC_INFORMATION mbi;
+
+	while (true)
+	{
+		VirtualQuery(p, &mbi, sizeof(mbi));
+
+		if (p >= (char *)mbi.BaseAddress + mbi.RegionSize)
+			break;
+
+		p = (char *)mbi.BaseAddress + mbi.RegionSize;
+
+		if (!mbi.AllocationBase || mbi.AllocationBase == hModule)
+			continue;
+
+		hModule = HMODULE(mbi.AllocationBase);
+		PGetNewAndDelete pGetNewAndDelete = (PGetNewAndDelete)GetProcAddress(hModule, "GetNewAndDeleteForCryptoPP");
+		if (pGetNewAndDelete)
+		{
+			pGetNewAndDelete(s_pNew, s_pDelete);
+			return;
+		}
+
+		PSetNewAndDelete pSetNewAndDelete = (PSetNewAndDelete)GetProcAddress(hModule, "SetNewAndDeleteFromCryptoPP");
+		if (pSetNewAndDelete)
+		{
+			s_pNew = &New;
+			s_pDelete = &free;
+			pSetNewAndDelete(s_pNew, s_pDelete, &set_new_handler);
+			return;
+		}
+	}
+
+	// try getting these directly using mangled names of new and delete operators
+
+	hModule = GetModuleHandle("msvcrtd");
+	if (!hModule)
+		hModule = GetModuleHandle("msvcrt");
+	if (hModule)
+	{
+		// 32-bit versions
+		s_pNew = (PNew)GetProcAddress(hModule, "??2@YAPAXI@Z");
+		s_pDelete = (PDelete)GetProcAddress(hModule, "??3@YAXPAX@Z");
+		if (s_pNew && s_pDelete)
+			return;
+
+		// 64-bit versions
+		s_pNew = (PNew)GetProcAddress(hModule, "??2@YAPEAX_K@Z");
+		s_pDelete = (PDelete)GetProcAddress(hModule, "??3@YAXPEAX@Z");
+		if (s_pNew && s_pDelete)
+			return;
+	}
+
+	OutputDebugString("Crypto++ was not able to obtain new and delete function pointers.\n");
+	throw 0;
+}
+
+// Cast from FARPROC to funcptr with args
+#pragma warning(default: 4191)
+
+void * operator new (size_t size)
+{
+	if (!s_pNew)
+		SetNewAndDeleteFunctionPointers();
+
+	return s_pNew(size);
+}
+
+void operator delete (void * p)
+{
+	s_pDelete(p);
+}
+
+void * operator new [] (size_t size)
+{
+	return operator new (size);
+}
+
+void operator delete [] (void * p)
+{
+	operator delete (p);
+}
+
+#endif	// #ifdef CRYPTOPP_EXPORTS