using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.Text;
using System.Security.Cryptography;

namespace EZXR.Glass.Network.WebRequest
{
    public static class EncodeUtility
    {
        /// <summary>
        /// 返回md5字符串
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string MD5(string strToEncrypt)
        {
            UTF8Encoding ue = new UTF8Encoding();
            byte[] bytes = ue.GetBytes(strToEncrypt);

            // encrypt bytes
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            byte[] hashBytes = md5.ComputeHash(bytes);

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

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

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

        /// <summary>
        /// sha256
        /// </summary>
        /// <param name="pass"></param>
        /// <returns></returns>
        public static string Sha256(string pass)
        {
            if (pass == null || pass == string.Empty) { return null; }
            byte[] buffer = Encoding.UTF8.GetBytes(pass);

            byte[] hash = SHA256Managed.Create().ComputeHash(buffer);
            StringBuilder builder = new StringBuilder();
            for (int i = 0; i < hash.Length; i++)
            {
                builder.Append(hash[i].ToString("X2"));
            }
            return builder.ToString();
        }
    }
}