using System.Security.Cryptography;

namespace DigestInCSharp
{
    class Program
    {
        static void Main(string[] args)
        {
            const int DataLen = 30;
            HashAlgorithm hash = HashAlgorithm.Create("SHA256");
            byte[] input = new byte[DataLen];
            byte[] digest = hash.ComputeHash(input);
            System.Console.WriteLine(System.BitConverter.ToString(digest));
        }
    }
}