On Mon, Aug 10, 2020 at 05:33:39PM +0300, Horia Geantă wrote: > On 8/10/2020 4:45 PM, Herbert Xu wrote: > > On Mon, Aug 10, 2020 at 10:20:20AM +0000, Van Leeuwen, Pascal wrote: > >> > >> With all due respect, but this makes no sense. > > > > I agree. This is a lot of churn for no gain. > > > I would say the gain is that all skcipher algorithms would behave the same > when input length equals zero - i.e. treat the request as a no-op. > > We can't say "no input" has any meaning to the other skcipher algorithms, > but the convention is to accept this case and just return 0. > I don't see why XTS has to be handled differently. > CTS also rejects empty inputs. The rule it follows is just that all input lengths >= blocksize are allowed. Input lengths < blocksize aren't allowed. - Eric
