Function SeedStartup

src/random.cpp:536–554

}

void SeedStartup(CSHA512& hasher, RNGState& rng) noexcept
{
    // Gather 256 bits of hardware randomness, if available
    SeedHardwareSlow(hasher);

    // Everything that the 'slow' seeder includes.
    SeedSlow(hasher, rng);

    // Dynamic environment data (clocks, resource usage, ...)
    auto old_size = hasher.Size();
    RandAddDynamicEnv(hasher);

    // Static environment data
    RandAddStaticEnv(hasher);
    LogDebug(BCLog::RAND, "Feeding %i bytes of environment data into RNG\n", hasher.Size() - old_size);

    // Strengthen for 100 ms
    SeedStrengthen(hasher, rng, 100ms);
}

enum class RNGLevel {
    FAST, //!< Automatically called by GetRandBytes