On Fri, Aug 19, 2022 at 10:54 AM Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, Jul 29, 2022 at 05:59:54PM +0100, Ignat Korchagin wrote: > > > > @@ -132,6 +138,10 @@ int crypto_register_akcipher(struct akcipher_alg *alg) > > alg->encrypt = akcipher_default_op; > > if (!alg->decrypt) > > alg->decrypt = akcipher_default_op; > > + if (!alg->set_priv_key) > > + alg->set_priv_key = akcipher_default_set_key; > > + if (!alg->set_pub_key) > > + alg->set_pub_key = akcipher_default_set_key; > > Under what circumstances could we have an algorithm without a > set_pub_key function? I can only elaborate here as I didn't encounter any real-world use-cases, but may assume some limited crypto hardware device, which may somehow "encourage" doing public key operations in software and providing only "private-key" operations due to its limited resources. Ignat > Cheers, > -- > Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Home Page: http://gondor.apana.org.au/~herbert/ > PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt