On Tue, May 3, 2022 at 1:14 PM Chris Bare <chris.bare@xxxxxxxxx> 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