Asp Şifreleme md5 ve sha1 Karalama

public static string Sifrele(string gelenSifre)
        {
            string ilkSifre = FormsAuthentication.HashPasswordForStoringInConfigFile(gelenSifre, "md5");
            string gidenSifre = FormsAuthentication.HashPasswordForStoringInConfigFile(ilkSifre, "sha1");

            return gidenSifre;
        }


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