On Sun, Nov 16, 2014 at 03:26:58AM +0100, Stephan Mueller wrote:

The current AF_ALG implementation requires that a userspace interface
implementation must provide a callback for setkey. Such a call is not
appliable to random number generators.

To prepare AF_ALG for the addition of a random number generator user
space interface, this function callback invocation is made optional.

Signed-off-by: Stephan Mueller <redacted>

Did you actually try this? AFAICS setkey is already optional.

Cheers,
-- 
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