SHA1

Hashes.cs

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

static class Hashes
{
    public static string SHA1(string text)
    {
        byte[] buffer = Encoding.UTF8.GetBytes(text);
        var sha1 = new SHA1CryptoServiceProvider();
        return BitConverter.ToString(sha1.ComputeHash(buffer)).Replace("-", "");
    }
    
    private static string MD5(string text)
    {
        byte[] data = _hasher.ComputeHash(Encoding.Default.GetBytes(text));
        var sb = new StringBuilder(32);
        for (int i = 0; i < data.Length; i++)
            sb.Append(data[i].ToString("x2"));
        return sb.ToString();
    }
}