type t
type eddsa_priv = Crypto.EddsaPrivateKey.t
type eddsa_pub = Crypto.EddsaPublicKey.t

val get_sm_key_priv : t -> eddsa_priv
val get_sm_key_pub : t -> eddsa_pub
val get_signkeys : t -> Signkey.t list
val init : (module Pg.CONN) -> t

(* - management operations - *)

val add_master_signatures :
  (module Pg.CONN) ->
  t ->
  (eddsa_pub * Bin_sig.ExchangeSigningKeyValidity.t) list ->
  (unit, string) result

val revoke_signkey :
  t ->
  eddsa_pub ->
  Bin_sig.MasterSigningKeyRevocation.t ->
  (unit, string) result