Am Donnerstag, 2. Februar 2017, 21:57:21 CET schrieb Herbert Xu: Hi Herbert, > On Thu, Jan 26, 2017 at 11:30:04AM +0530, Nitin Kumbhar wrote: > > This ECDSA implementation is analogous to the RSA kernel implementation > > for > > signature generation / verification. It extends ECC family of algorithms > > like ECDH to support signature verification using akcipher. This will be > > used in a way similar to RSA. > > Yes but RSA had an in-kernel user in the form of module signature > verification. We don't add algorithms to the kernel without > actual users. So this patch-set needs to come with an actual > in-kernel user of ECDSA. If I understood correctly, the crypto API should also provide device drivers for cryptographic accelerators to user space. This would be of special importance for asymmetric ciphers considering their resource intense operation. As for each HW implementation there should be a SW fallback, shouldn't ECDSA therefore be added? Please note that I am currently updating algif_akcipher to be en-par with algif_skcipher and algif_aead, including an AIO operation. Ciao Stephan
