ECDSA_sign_setup
OSSL_DEPRECATEDIN_3_0 int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx,
if (ctx->kattest && !ECDSA_sign_setup(ctx->ec, NULL, &ctx->kinv, &ctx->r))
if (!TEST_true(ECDSA_sign_setup(key, NULL, &kinv, &rp))
&& TEST_int_eq(ECDSA_sign_setup(eckey, NULL, &kinv, &rp), 1)