diff options
Diffstat (limited to 'lib/cryptopp/dll.cpp')
| -rw-r--r-- | lib/cryptopp/dll.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/lib/cryptopp/dll.cpp b/lib/cryptopp/dll.cpp new file mode 100644 index 000000000..2b4ef7ade --- /dev/null +++ b/lib/cryptopp/dll.cpp @@ -0,0 +1,146 @@ +// 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" +#pragma warning(default: 4660) + +#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))) + CallNewHandler(); + + return p; +} + +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; +} + +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 |