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

namespace Infrastructure.Extensions
{
    public static class Md5Extensions
    {
        public static string Md5(this Stream input)
        {
            using (MD5 md5 = MD5.Create())
            {
                byte[] hash = md5.ComputeHash(input);
                return BitConverter.ToString(hash).Replace("-", string.Empty).ToLower();
            }
        }

        public static string Md5(this string input)
        {
            using (MD5 md5 = MD5.Create())
            {
                byte[] hash = md5.ComputeHash(Encoding.UTF8.GetBytes(input));
                return BitConverter.ToString(hash).Replace("-", string.Empty).ToLower();
            }
        }
    }
}