48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
|
#include "il2cpp-config.h"
|
||
|
|
|
||
|
|
#if IL2CPP_TARGET_WINDOWS_DESKTOP
|
||
|
|
|
||
|
|
#include "os/Win32/WindowsHeaders.h"
|
||
|
|
#include "os/Cryptography.h"
|
||
|
|
|
||
|
|
#include <Wincrypt.h>
|
||
|
|
|
||
|
|
namespace il2cpp
|
||
|
|
{
|
||
|
|
namespace os
|
||
|
|
{
|
||
|
|
void* Cryptography::GetCryptographyProvider()
|
||
|
|
{
|
||
|
|
HCRYPTPROV provider = 0;
|
||
|
|
|
||
|
|
if (!CryptAcquireContext(&provider, NULL, NULL, PROV_INTEL_SEC, CRYPT_VERIFYCONTEXT))
|
||
|
|
{
|
||
|
|
if (!CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
|
||
|
|
{
|
||
|
|
provider = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return (void*)provider;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Cryptography::OpenCryptographyProvider()
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Cryptography::ReleaseCryptographyProvider(void* provider)
|
||
|
|
{
|
||
|
|
CryptReleaseContext((HCRYPTPROV)provider, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Cryptography::FillBufferWithRandomBytes(void* provider, intptr_t length, unsigned char* data)
|
||
|
|
{
|
||
|
|
ULONG const size = (ULONG)(length < ULONG_MAX ? length : ULONG_MAX); // This is how mono solves the type size difference
|
||
|
|
return CryptGenRandom((HCRYPTPROV)provider, size, data) == TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|