Am Donnerstag, 20. August 2015, 15:21:45 schrieb Herbert Xu:

Hi Herbert,

>This patch introduces the crypto skcipher interface which aims
>to replace both blkcipher and ablkcipher.
>
>It's very similar to the existing ablkcipher interface.  The
>main difference is the removal of the givcrypt interface.  In
>order to make the transition easier for blkcipher users, there
>is a helper SKCIPHER_REQUEST_ON_STACK which can be used to place
>a request on the stack for synchronous transforms.

If I understand the patch set correctly, a caller uses the skcipher API and 
the API sets up the synchronous or asynchronous callbacks depending on the 
chosen cipher implementation.

Now, does a caller always need to create an skcipher_request and always need 
the async logic of providing a callback function and the like, even though a 
synchronous cipher is chosen? I.e. the caller has no means to use a 
synchronous cipher operation any more.

It looks to me like that, but I would like to confirm.

Thank you.

Ciao
Stephan
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