Re: [PATCH RFC v5 2/4] crypto: add PKE API

[Tadeusz Struk <tadeusz.struk@intel.com>]

On 06/15/2015 07:29 PM, Herbert Xu wrote:
>> I thought that the ctx needs to be available for implementations to store private data.
>> > This way we can allocate and store any type of key in the <alg>_parse_key() helper and still have the cxt
>> > available for implementations to use for their stuff (e.g. HW context).
> No for symmetric key algorithms we always store the key in the
> context and never in the tfm proper.
> 
> Think about it, the generic tfm doesn't have any idea on what
> the key contains so how can it store it? Only the implementation
> knows the key format and can store it in a useful way.

Ok I wanted to handle everything in the parse_key helper without any help from the implementation.
I can change the helper to return the key and implementation will store it in the ctx. Is this
what you are suggesting?