using System;
using System.Security.Cryptography;
using System.Text;

public class Sha1
{
    public static string Hash(string strToEncrypt)
    {
        var ue = new UTF8Encoding();
        var bytes = ue.GetBytes(strToEncrypt);
        // encrypt bytes
        var sha1 = new SHA1Managed();
        var hashBytes = sha1.ComputeHash(bytes);
        var sHash = Convert.ToBase64String(hashBytes);
        return sHash;
    }

    public static string HashEx(string strToEncrypt)
    {
        var ue = new UTF8Encoding();
        var bytes = ue.GetBytes(strToEncrypt);

        // encrypt bytes
        var sha1 = new SHA1CryptoServiceProvider();
        var hashBytes = sha1.ComputeHash(bytes);

        // Convert the encrypted bytes back to a string (base 16)
        var hashString = "";

        for (var i = 0; i < hashBytes.Length; i++) hashString += Convert.ToString(hashBytes[i], 16).PadLeft(2, '0');

        return hashString.PadLeft(32, '0');
    }
}