Function GetRand

src/random.cpp:353–366

}

uint64_t GetRand(uint64_t nMax)
{
    if (nMax == 0)
        return 0;

    // The range of the random source must be a multiple of the modulus
    // to give every possible output value an equal possibility
    uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
    uint64_t nRand = 0;
    do {
        GetRandBytes((unsigned char*)&nRand, sizeof(nRand));
    } while (nRand >= nRange);
    return (nRand % nMax);
}

int GetRandInt(int nMax)
{