On 26 March 2017 at 20:50, Nicolas Pitre <nicolas.pi...@linaro.org> wrote:
> On Sun, 26 Mar 2017, Ard Biesheuvel wrote:
>
>> [...]
>> +static const u32 rco_tab[10] = { 1, 2, 4, 8, 16, 32, 64, 128, 27, 54 };
>
> You could consider using u8 for this table. This is a tiny space saving
> and normally it shouldn't make the runtime any slower on most
> architectures.
>There is no performance concern here: this variable is only used by the key expansion routine. I'll propose to change it at the next occasion
