crypto lab 1

#include <Windows.h>
#include <wincrypt.h>
#include <iostream>

using namespace std;

void outError()
{
    const DWORD dw = GetLastError();
    cout << dw << "\n";
}

int main()
{
    HCRYPTPROV hCryptProv;
    BYTE         pbData[16] = {}; // инициализируем переменную
    if (CryptAcquireContext(
        &hCryptProv,
        nullptr,
        MS_DEF_PROV,
        PROV_RSA_FULL,
        CRYPT_VERIFYCONTEXT))
    {
        if (CryptGenRandom(
            hCryptProv,
            8,
            pbData))
        {
            CryptReleaseContext(hCryptProv, 0);
            cout << "Random sequence generated\n";
            for (const auto a : pbData)
                cout << a;
            cout << "\n";
        }
        else
        {
            cout << "error with cryptgenrandom context\n";
            CryptReleaseContext(hCryptProv, 0);
            outError();
        }
    }
    else
    {
        cout << "error with cryptacquire context\n";
        outError();
    }
    system("pause");
    return 0;
}