Re: [PATCH v2 1/4] Crypto: Crypto driver support aes/des/des3 for rk3288

[Zain <zain.wang@rock-chips.com>]

On 2015年11月07日 12:40, Sandy Harris wrote:
> On Thu, Nov 5, 2015 at 8:17 PM, Zain Wang <zain.wang@rock-chips.com> wrote:
>> The names registered are:
>>     ecb(aes) cbc(aes) ecb(des) cbc(des) ecb(des3_ede) cbc(des3_ede)
>> You can alloc tags above in your case.
> Why on Earth are you allowing DES? Here's a reference from around the
> turn of the century on why the FreeS/WAN project refused to implement
> it then:
> http://www.freeswan.org/freeswan_trees/freeswan-1.97/doc/politics.html#desnotsecure
>
> In 1998 a $200,000-odd purpose-built machine using FPGAs could break
> DES in a few days. Morre's Law applies; my guess would be that today
> you could break it in hours for well under $10,000 using either GPUs
> or Intel's Xeon Phi.
>
> Even if you have to implement DES because you need it as a component
> for 3DES and some standards still require 3DES, single DES should not
> be exposed in the user interface.
>
>
>
Thanks for your comment.
I built it because DES has been built in many other patch about crypto
like atmel, marvell, samsung... though I don't known how it can be used.
Do I remove DES?