Make EVP_PKEY_CTX_[get|set]_group_name work for DH too
[openssl.git] / crypto / ffc / ffc_backend.c
index 1d07618..6e269eb 100644 (file)
@@ -22,25 +22,25 @@ int ffc_params_fromdata(FFC_PARAMS *ffc, const OSSL_PARAM params[])
     const OSSL_PARAM *prm;
     const OSSL_PARAM *param_p, *param_q, *param_g;
     BIGNUM *p = NULL, *q = NULL, *g = NULL, *j = NULL;
-#if 0
-    char group_name[OSSL_MAX_NAME_SIZE];
-    char *str = group_name;
-#endif
     int i;
 
     if (ffc == NULL)
         return 0;
 
-/* TODO(3.0) Add for DH PR */
-#if 0
-    prm  = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_GROUP);
+    prm  = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_GROUP_NAME);
     if (prm != NULL) {
-        if (!OSSL_PARAM_get_utf8_string(prm, &str, sizeof(group_name)))
+        if (prm->data_type != OSSL_PARAM_UTF8_STRING)
             goto err;
-        if (!ffc_set_group_pqg(ffc, group_name))
+#ifndef OPENSSL_NO_DH
+        /*
+         * In a no-dh build we just go straight to err because we have no
+         * support for this.
+         */
+        if (!ffc_set_group_pqg(ffc, prm->data))
+#endif
             goto err;
     }
-#endif
+
     param_p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_P);
     param_g = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_G);
     param_q = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_Q);
@@ -63,10 +63,8 @@ int ffc_params_fromdata(FFC_PARAMS *ffc, const OSSL_PARAM params[])
         ffc->pcounter = i;
     }
     prm = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_COFACTOR);
-    if (prm != NULL) {
-        if (!OSSL_PARAM_get_BN(prm, &j))
-            goto err;
-    }
+    if (prm != NULL && !OSSL_PARAM_get_BN(prm, &j))
+        goto err;
     prm = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_H);
     if (prm != NULL) {
         if (!OSSL_PARAM_get_int(prm, &i))
@@ -80,6 +78,28 @@ int ffc_params_fromdata(FFC_PARAMS *ffc, const OSSL_PARAM params[])
         if (!ffc_params_set_seed(ffc, prm->data, prm->data_size))
             goto err;
     }
+    prm  = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_VALIDATE_TYPE);
+    if (prm != NULL) {
+        if (prm->data_type != OSSL_PARAM_UTF8_STRING)
+            goto err;
+        ffc_params_set_flags(ffc, ffc_params_flags_from_name(prm->data));
+    }
+    prm = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_DIGEST);
+    if (prm != NULL) {
+        const OSSL_PARAM *p1;
+        const char *props = NULL;
+
+        if (prm->data_type != OSSL_PARAM_UTF8_STRING)
+            goto err;
+        p1 = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_FFC_DIGEST_PROPS);
+        if (p1 != NULL) {
+            if (p1->data_type != OSSL_PARAM_UTF8_STRING)
+                goto err;
+        }
+        if (!ffc_set_digest(ffc, prm->data, props))
+            goto err;
+    }
+
     ffc_params_set0_pqg(ffc, p, q, g);
     ffc_params_set0_j(ffc, j);
     return 1;