This commit is contained in:
swrup 2025-12-07 01:09:59 +01:00
parent 5307eb2216
commit d8ad54e94b
8 changed files with 65 additions and 35 deletions

View file

@ -15,7 +15,7 @@ type t = {
fee_refund: Amount.t;
age_mask: int;
h_pub: Bin_type.DenominationHash.t;
master_sig: EddsaSignature.t option;
master_sig: Api_sig.DenominationKeyValidityPS.t option;
}
let make

View file

@ -96,19 +96,16 @@ let mk_future_keys_response ~(sm_signkey : Secmod_signkey.t)
(* - ** - *)
let verify_denom_signature ~sm_denoms DenomSignature.{ h_denom_pub; master_sig }
let verify_denom_signature ~sm_denom DenomSignature.{ h_denom_pub; master_sig }
=
let open Syntax in
let denom_hash =
Bin_type.DenominationHash.of_octets (HashCode.to_octets h_denom_pub)
in
let* denom =
let opt =
List.find_opt
(fun (denom : Denomination.t) -> denom.h_pub = denom_hash)
sm_denoms
in
match opt with
Secmod_denom.get_denoms sm_denom
|> List.find_opt (fun (denom : Denomination.t) -> denom.h_pub = denom_hash)
|> function
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
@ -132,13 +129,12 @@ let verify_denom_signature ~sm_denoms DenomSignature.{ h_denom_pub; master_sig }
in
verify ~key:Config.master_public_key master_sig r
let verify_signkey_signature ~sm_signkeys SignKeySignature.{ key; master_sig } =
let verify_signkey_signature ~sm_signkey SignKeySignature.{ key; master_sig } =
let open Syntax in
let* signkey =
let opt =
List.find_opt (fun (signkey : Signkey.t) -> signkey.pub = key) sm_signkeys
in
match opt with
Secmod_signkey.get_signkeys sm_signkey
|> List.find_opt (fun (signkey : Signkey.t) -> signkey.pub = key)
|> function
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
@ -156,18 +152,34 @@ let verify_signkey_signature ~sm_signkeys SignKeySignature.{ key; master_sig } =
in
verify ~key:Config.master_public_key master_sig r
let verify_master_signatures ~sm_signkeys ~sm_denoms
let verify_master_signatures ~sm_signkey ~sm_denom
MasterSignatures.{ denom_sigs; signkey_sigs } =
let open Syntax in
let* () = list_iter (verify_denom_signature ~sm_denoms) denom_sigs in
let* () = list_iter (verify_signkey_signature ~sm_signkeys) signkey_sigs in
let* () = list_iter (verify_denom_signature ~sm_denom) denom_sigs in
let* () = list_iter (verify_signkey_signature ~sm_signkey) signkey_sigs in
Ok ()
(* --- *)
let update_master_signatures ~db_conn ~sm_signkey ~sm_denom:_
MasterSignatures.{ denom_sigs= _; signkey_sigs } =
Secmod_signkey.add_master_signatures db_conn sm_signkey signkey_sigs
let update_master_signatures ~db_conn ~sm_signkey ~sm_denom
MasterSignatures.{ denom_sigs; signkey_sigs } =
let open Syntax in
let* () =
signkey_sigs
|> List.map (fun SignKeySignature.{ key; master_sig } -> (key, master_sig))
|> Secmod_signkey.add_master_signatures db_conn sm_signkey
in
let* () =
denom_sigs
|> List.map (fun DenomSignature.{ h_denom_pub; master_sig } ->
(* TODO better denomination-hash type *)
let h_denom_pub =
Bin_type.DenominationHash.of_octets (HashCode.to_octets h_denom_pub)
in
(h_denom_pub, master_sig))
|> Secmod_denom.add_master_signatures db_conn sm_denom
in
Ok ()
(* --- *)
@ -217,9 +229,7 @@ let keys_post req server _env =
Error msg
in
let* () =
let sm_denoms = Secmod_denom.get_denoms sm_denom in
let sm_signkeys = Secmod_signkey.get_signkeys sm_signkey in
verify_master_signatures ~sm_signkeys ~sm_denoms master_signatures
verify_master_signatures ~sm_signkey ~sm_denom master_signatures
in
let* () =
update_master_signatures ~db_conn ~sm_signkey ~sm_denom master_signatures

View file

@ -119,9 +119,10 @@ let lookup_denomination_key =
let add_denomination_key =
let denomination_insert =
let master_sig = Api_sig.DenominationKeyValidityPS.caqti in
Caqti_type.(
t12 denomination_hash rsa_public eddsa_signature time time time time
amount amount amount amount (t2 amount age_mask)
t12 denomination_hash rsa_public master_sig time time time time amount
amount amount amount (t2 amount age_mask)
->. unit)
"INSERT INTO denominations (denom_pub_hash, denom_pub, master_sig, \
valid_from, expire_withdraw, expire_deposit, expire_legal, coin, \

View file

@ -12,12 +12,18 @@ let get_denoms t =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.denom_ht |> List.of_seq
(* TODO *)
let update_denoms _conn t denoms =
let add_master_signatures conn t l =
Miou.Mutex.protect t.lock @@ fun () ->
List.iter
(fun denom -> Hashtbl.replace t.denom_ht denom.Denomination.h_pub denom)
denoms
list_iter
(fun (h_denom_pub, master_sig) ->
match Hashtbl.find_opt t.denom_ht h_denom_pub with
| None -> Error "secmod_denom failure: denomination hash not found."
| Some denom ->
let denom = { denom with master_sig= Some master_sig } in
let* () = Pg.add_denomination_key conn denom |> unwrap_err_caqti in
Hashtbl.replace t.denom_ht h_denom_pub denom;
Ok ())
l
let dir = Fpath.(v "data" / "secmod_signkey")

View file

@ -2,5 +2,11 @@ type t
val get_sm_key : t -> Signkey.t
val get_denoms : t -> Denomination.t list
val update_denoms : (module Pg.CONN) -> t -> Denomination.t list -> unit
val add_master_signatures :
(module Pg.CONN) ->
t ->
(Bin_type.DenominationHash.t * Api_sig.DenominationKeyValidityPS.t) list ->
(unit, string) result
val init : (module Pg.CONN) -> t

View file

@ -16,17 +16,18 @@ let get_signkeys t =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.signkey_ht |> List.of_seq
(* TODO *)
let add_master_signatures _conn t l =
let add_master_signatures conn t l =
Miou.Mutex.protect t.lock @@ fun () ->
l
|> Syntax.list_iter (fun Api.SignKeySignature.{ key= pub; master_sig } ->
list_iter
(fun (pub, master_sig) ->
match Hashtbl.find_opt t.signkey_ht pub with
| None -> Error "secmod_signkey failure: public key not found."
| Some signkey ->
let signkey = { signkey with master_sig= Some master_sig } in
let* () = Pg.activate_signing_key conn signkey |> unwrap_err_caqti in
Hashtbl.replace t.signkey_ht pub signkey;
Ok ())
l
let dir = Fpath.(v "data" / "secmod_signkey")

View file

@ -4,6 +4,9 @@ val get_sm_key : t -> Signkey.t
val get_signkeys : t -> Signkey.t list
val add_master_signatures :
(module Pg.CONN) -> t -> Api.SignKeySignature.t list -> (unit, string) result
(module Pg.CONN) ->
t ->
(Crypto.EddsaPublicKey.t * Api_sig.ExchangeSigningKeyValidityPS.t) list ->
(unit, string) result
val init : (module Pg.CONN) -> t

View file

@ -4,6 +4,9 @@ let ( let+ ) o f = match o with Ok v -> Ok (f v) | Error _ as e -> e
(* TODO use polymorphic variant for errors *)
let unwrap_err_msg o = match o with Error (`Msg e) -> Error e | Ok v -> Ok v
let unwrap_err_caqti o =
match o with Error err -> Fmt.error "%a" Caqti_error.pp err | Ok v -> Ok v
let list_iter f l =
let err = ref None in
try