function check_password {
    var_28 = arg0;
    var_18 = copy(var_28);
    if (var_18 == 0) {
            rax = -1;
    }
    else {
            for (var_1C = 103; var_1C > 0; var_1C--) {//random()=103
                    var_20 = 0;
                    while (var_28[var_20] != 0) {
                            var_18[var_20] = random() ^ var_18[var_20];
                            var_20++;
                    } //iterate over full string and xor with random
            }//repeat 103 times
            var_1C = 0x1337;
            var_20 = length(arg0)
            while(var_20!=-1) {
                    var_20--;
                    var_1C *= var_18[var_20];//var_18[var_20] is a single byte(0..255 value)
            var_1C += 0x31337
            }
        //var_1C should be 0xfd0970e7
            rax = (var_1C != 0xfd0970e7 ? 1 : 0);
    }
    return rax;
}