diff --git a/include/proto/ssl_ckch.h b/include/proto/ssl_ckch.h
new file mode 100644
index 0000000..c869d92
--- /dev/null
+++ b/include/proto/ssl_ckch.h
@@ -0,0 +1,38 @@
+/*
+ * include/proto/ssl_ckch.h
+ * ckch function prototypes
+ *
+ * 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 _PROTO_SSL_CKCH_H
+#define _PROTO_SSL_CKCH_H
+#ifdef USE_OPENSSL
+
+#include <types/ssl_ckch.h>
+
+/* ckch_store functions */
+struct ckch_store *ckchs_load_cert_file(char *path, int multi, char **err);
+struct ckch_store *ckchs_lookup(char *path);
+
+/* ckch_inst functions */
+void ckch_inst_free(struct ckch_inst *inst);
+struct ckch_inst *ckch_inst_new();
+
+
+#endif /* USE_OPENSSL */
+#endif /* _PROTO_SSL_CRTLIST_H */