open Crypto

type t = {
  pub: eddsa_pub;
  stamp_start: Timestamp.t;
  stamp_expire: Timestamp.t;
  stamp_end: Timestamp.t;
  master_sig: Signatures.ExchangeSigningKeyValidity.t;
}

let is_valid_at ~timestamp sk =
  Timestamp.geq sk.stamp_start timestamp && Timestamp.lt timestamp sk.stamp_end