Library
Module
Module type
Parameter
Class
Class type
module R : Mirage_random.S
module P : Mirage_clock.PCLOCK
module T : Mirage_time.S
module S : Mirage_stack.V4
val retrieve_certificate :
?ca:[ `Production | `Staging ] ->
S.t ->
dns_key:string ->
hostname:[ `host ] Domain_name.t ->
?additional_hostnames:[ `host ] Domain_name.t list ->
?key_seed:string ->
S.TCPV4.ipaddr ->
int ->
(Tls.Config.own_cert, [ `Msg of string ]) result Lwt.t
retrieve_certificate ~ca stack ~dns_key ~hostname ~key_seed server_ip port
generates a RSA private key (using the key_seed
), a certificate signing request for the given hostname
and additional_hostnames
, and sends server_ip
an nsupdate (DNS-TSIG with dns_key
) with the csr as TLSA record, awaiting for a matching certificate as TLSA record. Requires a service that interacts with let's encrypt to transform the CSR into a signed certificate. If something fails, an exception (via Lwt.fail
) is raised. This is meant for unikernels that require a valid TLS certificate before they can start their service (i.e. most web servers, mail servers). Has let's encrypt certificates (expiry March 2021) hardcoded.