On Tue, May 3, 2022 at 3:10 PM William Roberts <bill.c.robe...@gmail.com> wrote:
> On Tue, May 3, 2022 at 1:14 PM Chris Bare <chris.b...@gmail.com> wrote: > > > > I'm converting some openssl 1.0 code to 3.0 and I don't know how to get > the coordinates > > in a 3.0 way. > > The old code is: > > BN_CTX *ctx = BN_CTX_new (); > > BIGNUM *X = NULL, *Y = NULL; > > const EC_POINT *pubkey; > > const EC_GROUP *group; > > BN_CTX_start (ctx); > > X = BN_CTX_get (ctx); > > Y = BN_CTX_get (ctx); > > pubkey = EC_KEY_get0_public_key ((EC_KEY *) EVP_PKEY_get0 (pkey)); > > group = EC_KEY_get0_group ((EC_KEY *) EVP_PKEY_get0 (cvr->sm_pkey)); > > EC_POINT_get_affine_coordinates_GFp (group, pubkey, X, Y, ctx) > > > > What would be the 3.0 way to get X and Y without using deprecated > functions? > > For EC_POINT_get_affine_coordinates_GFp it goes to > EC_POINT_get_affine_coordinates, see: > - > https://www.openssl.org/docs/man3.0/man3/EC_POINT_get_affine_coordinates.html > > Offhand I don't see any other deprecated functions, was that the only one? > > Thanks, > Bill > all the EC_KEY_get0_ functions are deprecated. Is there a new way to access the internals of the opaque structures, or am I stuck with the deprecated ones for this? -- Chris Bare