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Sample code for the CryptGenRandom function.
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#include <iostream> | |
#include <windows.h> | |
#pragma comment(lib, "advapi32.lib") | |
int main() | |
{ | |
HCRYPTPROV hProvider = 0; | |
if (!::CryptAcquireContextW(&hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) | |
return 1; | |
const DWORD dwLength = 8; | |
BYTE pbBuffer[dwLength] = {}; | |
if (!::CryptGenRandom(hProvider, dwLength, pbBuffer)) | |
{ | |
::CryptReleaseContext(hProvider, 0); | |
return 1; | |
} | |
for (DWORD i = 0; i < dwLength; ++i) | |
std::cout << std::hex << static_cast<unsigned int>(pbBuffer[i]) << std::endl; | |
if (!::CryptReleaseContext(hProvider, 0)) | |
return 1; | |
} |
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