--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -468,6 +468,45 @@ ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_
     return NGX_OK;
 }
 
+ngx_int_t
+ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *name)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
+#ifndef OPENSSL_NO_ECDH
+    int      nid;
+    EC_KEY  *ecdh;
+
+    /*
+     * Elliptic-Curve Diffie-Hellman parameters are either "named curves"
+     * from RFC 4492 section 5.1.1, or explicitely described curves over
+     * binary fields. OpenSSL only supports the "named curves", which provide
+     * maximum interoperability.
+     */
+
+    nid = OBJ_sn2nid((const char *) name->data);
+    if (nid == 0) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "Unknown curve name \"%s\"", name->data);
+        return NGX_ERROR;
+    }
+
+    ecdh = EC_KEY_new_by_curve_name(nid);
+    if (ecdh == NULL) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "Unable to create curve \"%s\"", name->data);
+        return NGX_ERROR;
+    }
+
+    SSL_CTX_set_tmp_ecdh(ssl->ctx, ecdh);
+
+    SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_ECDH_USE);
+
+    EC_KEY_free(ecdh);
+#endif
+#endif
+
+    return NGX_OK;
+}
 
 ngx_int_t
 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)