c# MD5加密

        /// <summary>
        /// MD5加密
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        public static string Md5Sign(string s)
        {
            return GenerateMd5Sign(s, Encoding.Default);
        }
        /// <summary>
        /// 生成的MD5加密的字符串
        /// </summary>
        /// <param name="s">代加密字符串</param>
        /// <param name="inputCharset">字符编码</param>
        /// <returns></returns>
        public static string GenerateMd5Sign(string s, Encoding inputCharset)
        {

            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] t = md5.ComputeHash(inputCharset.GetBytes(s));
            var sb = new StringBuilder(32);
            for (int i = 0; i < t.Length; i++)
            {
                sb.Append(t[i].ToString("x").PadLeft(2, '0'));
            }
            return sb.ToString().ToUpper();
        }