Certificate (tls-async.Tls_async.X509

val decode_pkcs1_digest_info : 
  string ->
  ([ `MD5 | `SHA1 | `SHA224 | `SHA256 | `SHA384 | `SHA512 ] * string,
    [> `Msg of string ])
    Stdlib.result

val encode_pkcs1_digest_info : 
  ([ `MD5 | `SHA1 | `SHA224 | `SHA256 | `SHA384 | `SHA512 ] * string) ->
  string

type t = X509.Certificate.t

val pp : t Fmt.t

val encode_der : t -> string

val fold_decode_pem_multiple : 
  ('a -> (t, [> `Msg of string ]) Stdlib.result -> 'a) ->
  'a ->
  string ->
  'a

val encode_pem_multiple : t list -> string

val encode_pem : t -> string

val supports_keytype : t -> X509.Key_type.t -> bool

val public_key : t -> X509.Public_key.t

val signature_algorithm : 
  t ->
  (X509.Key_type.signature_scheme * Digestif.hash') option

val hostnames : t -> X509.Host.Set.t

val supports_hostname : t -> [ `host ] Domain_name.t -> bool

val ips : t -> Ipaddr.Set.t

val supports_ip : t -> Ipaddr.t -> bool

val fingerprint : Digestif.hash' -> t -> string

val subject : t -> X509.Distinguished_name.t

val issuer : t -> X509.Distinguished_name.t

val serial : t -> string

val validity : t -> Ptime.t * Ptime.t

val extensions : t -> X509.Extension.t

val decode_pem_multiple : contents:string -> t list Core.Or_error.t

val decode_pem : contents:string -> t Core.Or_error.t

val decode_der : contents:string -> t Core.Or_error.t

val of_pem_file : Core.Filename.t -> t list Async.Deferred.Or_error.t

val of_pem_directory : 
  directory:Core.Filename.t ->
  t list Async.Deferred.Or_error.t