public override void NextBytes(byte[] bytes)
{
lock (this)
{
if (mDrbg == null)
{
mDrbg = mDrbgProvider.Get(mEntropySource);
}
// check if a reseed is required...
if (mDrbg.Generate(bytes, null, mPredictionResistant) < 0)
{
mDrbg.Reseed(null);
mDrbg.Generate(bytes, null, mPredictionResistant);
}
}
}
private void lazyInitDRBG()
{
if (drbg == null)
{
drbg = drbgProvider.Get(entropySource);
// FSM_STATE:5.6, "DRBG HEALTH CHECKS", "The module is performing DRBG Health Check self-test"
// FSM_TRANS:5.5, "CONDITIONAL TEST", "DRBG HEALTH CHECKS", "Invoke DRBG Health Check"
SelfTestExecutor.Validate(algorithm, drbg.CreateSelfTest(algorithm)); // instance health test
// FSM_TRANS:5.6, "DRBG HEALTH CHECKS", "CONDITIONAL TEST", "DRBG Health Check successful"
}
}
