using System; namespace Org.BouncyCastle.Crypto.Prng { public abstract class EntropyUtilities { public static byte[] GenerateSeed(IEntropySource entropySource, int numBytes) { byte[] array = new byte[numBytes]; GenerateSeed(entropySource, array); return array; } public static void GenerateSeed(IEntropySource entropySource, Span<byte> seed) { while (!seed.IsEmpty) { int entropy = entropySource.GetEntropy(seed); seed = seed.Slice(entropy, seed.Length - entropy); } } } }