<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Security.Cryptography.RandomNumberGenerator

public abstract class RandomNumberGenerator : IDisposable
namespace System.Security.Cryptography { public abstract class RandomNumberGenerator : IDisposable { protected RandomNumberGenerator(); public static RandomNumberGenerator Create(); public static RandomNumberGenerator Create(string rngName); public void Dispose(); protected virtual void Dispose(bool disposing); public abstract void GetBytes(byte[] data); public virtual void GetBytes(byte[] data, int offset, int count); public virtual void GetNonZeroBytes(byte[] data); } }