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

namespace TEAMModelOS.SDK.Helper.Security.TmdCrypt
{
    public static class TmdCrypt
    {
        private static string DoSHA256AndBase64(string password)
        {
            SHA256 sha256 = new SHA256CryptoServiceProvider();//建立一個SHA256
            byte[] source = Encoding.Default.GetBytes(password);//將字串轉為Byte[]
            byte[] crypto = sha256.ComputeHash(source);//進行SHA256加密
            string resultSha256 = Convert.ToBase64String(crypto);
            sha256.Dispose();
            return resultSha256;
        }

        /// <summary>
        /// TMD密码加密
        /// </summary>
        /// <param name="password"></param>
        /// <returns></returns>
        public static string Encrypt(string password) {
           return DoSHA256AndBase64(DoSHA256AndBase64(DoSHA256AndBase64(password) + DoSHA256AndBase64(password)) + DoSHA256AndBase64(password));
        }
    }
}