open Crypto (* TODO replace by Api.SignKey.t instead? (no revoked_sig) *) type t = { pub: eddsa_pub; stamp_start: Timestamp.t; stamp_expire: Timestamp.t; stamp_end: Timestamp.t; master_sig: Signatures.ExchangeSigningKeyValidity.t; revoked_sig: Signatures.MasterSigningKeyRevocation.t option; }