If you are using RSA, maybe it should be useful to look at some RSA implementations, such as engines/e_devcrypto.c
On Thu, Feb 6, 2020 at 7:23 PM Pedro Lopes <pedroterrosolo...@gmail.com> wrote: > Hello, > > I'd like that my callback is called when a sign/verify is being requested > by > *EVP_DigestSignFinal()* function. > I've tried add a EVP_PKEY_METHOD to app_methods stack, that works good > however doesnt fit on my solution. > > I noticed that creating an engine and set pkey methods there, it could > solve > it. > I looked at gost engine to have in mind what I should do. > So, in engine I call *ENGINE_set_pkey_meths()*, so far so good. > > The issue occurs when I try to assign a RSA key. I call > *EVP_PKEY_assign(*outKey, NID_sha1WithRSAEncryption, key);*. The error > returned is *pkey_set_type:unsupported algorithm*. > > Most probably I'm missing something. > > If *EVP_PKEY_assign()*worked I will call *EVP_DigestSignInit(ctx, NULL, > sha1(), engine, pkey)*. > > Thanks in advance. > -- SY, Dmitry Belyavsky
