> Thanks for your answer, I have loose hours on that problem.
I'm sorry to hear that.
 
> Perhaps you could update all datasheet/user manual about this known issue ?
We have updated the user manual and datasheet, the latest version is 1.3 for 
A20 which is released in Oct. 2014. The CTR block mode is not support.
You can download it from the github: https://github.com/allwinner-zh/documents 
and check the details of the SS moudle.

Best Regards,


kevin.z.m.zh-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
 
From: Corentin LABBE
Date: 2015-04-01 19:16
To: linux-sunxi; linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [linux-sunxi] Re: AW: problem with testing a CTR block cipher mode which is partially working
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-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org)
> 
> 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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