+static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
+ const char *kstr)
+{
+ BIO_indent(out, indent, 128);
+ BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
+ kstr, OBJ_nid2ln(pkey->type));
+ return 1;
+}
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->pub_print)
+ return pkey->ameth->pub_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Public Key");
+}
+
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->priv_print)
+ return pkey->ameth->priv_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Private Key");
+}
+
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->param_print)
+ return pkey->ameth->param_print(out, pkey, indent, pctx);
+ return unsup_alg(out, pkey, indent, "Parameters");
+}
+
+int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+{
+ if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
+ return -2;
+ return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
+ 0, pnid);
+}