On 04/01/15 04:06, kevin.z.m.zh-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> Dear All,
>
>
> About the SS module, there is some detail information.
> There is some issues on the SS hardware module, the issues make the some
> AES/DES/3DS algorithm be not available.
> 1. The byte order of the counter is wrong, make the result error, so, the CTR
> mode is not available.
> 2. Hardware don't support the continuous subcontracting, make the CTS mode is
> not available.
> 3. Another issue need be taken attention is that hardware will modify the key
> register when do AES encrypt, so, it need software to restore the key register
>
> when doing every frame.
>
> These issues are presented on the A10, A13, A20, A31 and A33.
> The issues of SS module have been fixed on the A83T platform, so, I suggest to
> take more attention to the A83T platform if any interest in the SS module.
>
> If any problem, please don't hesitate to contact me(kevin@allwinnertech.com)
>
> or Shuge(shuge-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org).
>
Thanks for your answer, I have loose hours on that problem.
Perhaps you could update all datasheet/user manual about this known issue ?
Regards
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