diff --git a/include/types/ssl_crtlist.h b/include/types/ssl_crtlist.h
new file mode 100644
index 0000000..bcece4e
--- /dev/null
+++ b/include/types/ssl_crtlist.h
@@ -0,0 +1,59 @@
+/*
+ * include/types/ssl_crtlist.h
+ * crt-list structures
+ *
+ * Copyright (C) 2020 HAProxy Technologies, William Lallemand <wlallemand@haproxy.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _TYPES_SSL_CRTLIST_H
+#define _TYPES_SSL_CRTLIST_H
+#ifdef USE_OPENSSL
+
+#include <common/mini-clist.h>
+
+#include <types/listener.h>
+
+/* list of bind conf used by struct crtlist */
+struct bind_conf_list {
+	struct bind_conf *bind_conf;
+	struct bind_conf_list *next;
+};
+
+/* This structure is basically a crt-list or a directory */
+struct crtlist {
+	struct bind_conf_list *bind_conf; /* list of bind_conf which use this crtlist */
+	unsigned int linecount; /* number of lines */
+	struct eb_root entries;
+	struct list ord_entries; /* list to keep the line order of the crt-list file */
+	struct ebmb_node node; /* key is the filename or directory */
+};
+
+/* a file in a directory or a line in a crt-list */
+struct crtlist_entry {
+	struct ssl_bind_conf *ssl_conf; /* SSL conf in crt-list */
+	unsigned int linenum;
+	unsigned int fcount; /* filters count */
+	char **filters;
+	struct crtlist *crtlist; /* ptr to the parent crtlist */
+	struct list ckch_inst; /* list of instances of this entry, there is 1 ckch_inst per instance of the crt-list */
+	struct list by_crtlist; /* ordered entries */
+	struct list by_ckch_store; /* linked in ckch_store list of crtlist_entries */
+	struct ebpt_node node; /* key is a ptr to a ckch_store */
+};
+
+#endif /* USE_OPENSSL */
+#endif /* _TYPES_SSL_CRTLIST_H */