This commit is contained in:
swrup 2025-12-06 23:25:29 +01:00
parent 846122b49c
commit ae27ce87a8
3 changed files with 37 additions and 31 deletions

View file

@ -67,13 +67,13 @@ let mk_future_signkey ~sm_signkey_priv
let mk_future_keys_response ~(sm_signkey : Secmod_signkey.t) let mk_future_keys_response ~(sm_signkey : Secmod_signkey.t)
~(sm_denom : Secmod_denom.t) = ~(sm_denom : Secmod_denom.t) =
let future_denoms = let future_denoms =
sm_denom.keys sm_denom.denoms
|> List.filter (fun k -> Option.is_none k.Denomination.master_sig) |> List.filter (fun k -> Option.is_none k.Denomination.master_sig)
|> List.map (fun denom -> |> List.map (fun denom ->
mk_future_denom ~sm_denom_priv:sm_denom.sm_key.Signkey.priv denom) mk_future_denom ~sm_denom_priv:sm_denom.sm_key.Signkey.priv denom)
in in
let future_signkeys = let future_signkeys =
sm_signkey.keys sm_signkey.signkeys
|> List.filter (fun k -> Option.is_none k.Signkey.master_sig) |> List.filter (fun k -> Option.is_none k.Signkey.master_sig)
|> List.map (fun signkey -> |> List.map (fun signkey ->
mk_future_signkey ~sm_signkey_priv:sm_signkey.sm_key.Signkey.priv mk_future_signkey ~sm_signkey_priv:sm_signkey.sm_key.Signkey.priv
@ -93,8 +93,7 @@ let mk_future_keys_response ~(sm_signkey : Secmod_signkey.t)
(* - ** - *) (* - ** - *)
let verify_denom_signature ~sm_denom DenomSignature.{ h_denom_pub; master_sig } let verify_denom_signature ~denoms DenomSignature.{ h_denom_pub; master_sig } =
=
let open Syntax in let open Syntax in
let denom_hash = let denom_hash =
Bin_type.DenominationHash.of_octets (HashCode.to_octets h_denom_pub) Bin_type.DenominationHash.of_octets (HashCode.to_octets h_denom_pub)
@ -103,7 +102,7 @@ let verify_denom_signature ~sm_denom DenomSignature.{ h_denom_pub; master_sig }
let opt = let opt =
List.find_opt List.find_opt
(fun (denom : Denomination.t) -> denom.h_pub = denom_hash) (fun (denom : Denomination.t) -> denom.h_pub = denom_hash)
sm_denom.Secmod_denom.keys denoms
in in
match opt with match opt with
| None -> | None ->
@ -129,13 +128,11 @@ let verify_denom_signature ~sm_denom DenomSignature.{ h_denom_pub; master_sig }
in in
verify ~key:Config.master_public_key master_sig r verify ~key:Config.master_public_key master_sig r
let verify_signkey_signature ~sm_signkey SignKeySignature.{ key; master_sig } = let verify_signkey_signature ~signkeys SignKeySignature.{ key; master_sig } =
let open Syntax in let open Syntax in
let* signkey = let* signkey =
let opt = let opt =
List.find_opt List.find_opt (fun (signkey : Signkey.t) -> signkey.pub = key) signkeys
(fun (signkey : Signkey.t) -> signkey.pub = key)
sm_signkey.Secmod_signkey.keys
in in
match opt with match opt with
| None -> | None ->
@ -155,11 +152,11 @@ let verify_signkey_signature ~sm_signkey SignKeySignature.{ key; master_sig } =
in in
verify ~key:Config.master_public_key master_sig r verify ~key:Config.master_public_key master_sig r
let verify_master_signatures ~sm_signkey ~sm_denom let verify_master_signatures ~signkeys ~denoms
MasterSignatures.{ denom_sigs; signkey_sigs } = MasterSignatures.{ denom_sigs; signkey_sigs } =
let open Syntax in let open Syntax in
let* () = list_iter (verify_denom_signature ~sm_denom) denom_sigs in let* () = list_iter (verify_denom_signature ~denoms) denom_sigs in
let* () = list_iter (verify_signkey_signature ~sm_signkey) signkey_sigs in let* () = list_iter (verify_signkey_signature ~signkeys) signkey_sigs in
Ok () Ok ()
(* --- *) (* --- *)
@ -215,7 +212,9 @@ let keys_post req server _env =
Error msg Error msg
in in
let* () = let* () =
verify_master_signatures ~sm_signkey ~sm_denom master_signatures let denoms = sm_denom.denoms in
let signkeys = sm_signkey.signkeys in
verify_master_signatures ~signkeys ~denoms master_signatures
in in
let* () = store_master_signatures () in let* () = store_master_signatures () in
Ok "" Ok ""

View file

@ -1,16 +1,16 @@
open Syntax open Syntax
type t = { type t = {
lock: Miou.Mutex.t;
sm_key: Signkey.t; sm_key: Signkey.t;
(* TODO rename *) denoms: Denomination.t list;
keys: Denomination.t list;
} }
let dir = Fpath.(v "data" / "secmod_signkey") let dir = Fpath.(v "data" / "secmod_signkey")
let store_secmod_data t = let store_secmod_data t =
let* () = Data_file.write_eddsa Fpath.(dir / "sm_key") t.sm_key.priv in let* () = Data_file.write_eddsa Fpath.(dir / "sm_key") t.sm_key.priv in
t.keys t.denoms
|> List.mapi (fun i key -> |> List.mapi (fun i key ->
let fname = Fpath.(dir / string_of_int i) in let fname = Fpath.(dir / string_of_int i) in
(fname, key.Denomination.priv)) (fname, key.Denomination.priv))
@ -21,7 +21,7 @@ let load conn =
Fmt.error_msg "secmod_denom load error: invalid store state." Fmt.error_msg "secmod_denom load error: invalid store state."
in in
let* sm_key = Data_file.load_signkey conn Fpath.(dir / "sm_key") in let* sm_key = Data_file.load_signkey conn Fpath.(dir / "sm_key") in
let* keys = let* denoms =
let* l = let* l =
let open Config.Coin in let open Config.Coin in
Syntax.list_map Syntax.list_map
@ -36,12 +36,15 @@ let load conn =
| Error () -> error_invalid_state | Error () -> error_invalid_state
| Ok opt -> Ok opt | Ok opt -> Ok opt
in in
match (sm_key, keys) with match (sm_key, denoms) with
| None, None -> Ok None | None, None -> Ok None
| Some sm_key, Some keys -> Ok (Some { sm_key; keys }) | Some sm_key, Some denoms ->
let lock = Miou.Mutex.create () in
Ok (Some { lock; sm_key; denoms })
| _, _ -> error_invalid_state | _, _ -> error_invalid_state
let make_new () = let make_new () =
let lock = Miou.Mutex.create () in
let sm_key = Signkey.make () in let sm_key = Signkey.make () in
let keys = List.map Denomination.make Config.Coin.all_coins in let denoms = List.map Denomination.make Config.Coin.all_coins in
{ sm_key; keys } { lock; sm_key; denoms }

View file

@ -1,19 +1,20 @@
(* TODO (* TODO
- key rotation - key rotation
- how many signkey to use? - how many signkey to use?
we just use 1 for now *) we just use 1 for now *)
open Syntax open Syntax
type t = { type t = {
lock: Miou.Mutex.t;
sm_key: Signkey.t; sm_key: Signkey.t;
keys: Signkey.t list; signkeys: Signkey.t list;
} }
let dir = Fpath.(v "data" / "secmod_signkey") let dir = Fpath.(v "data" / "secmod_signkey")
let store_secmod_data t = let store_secmod_data t =
let* () = Data_file.write_eddsa Fpath.(dir / "sm_key") t.sm_key.priv in let* () = Data_file.write_eddsa Fpath.(dir / "sm_key") t.sm_key.priv in
t.keys t.signkeys
|> List.mapi (fun i key -> |> List.mapi (fun i key ->
let fname = Fpath.(dir / string_of_int i) in let fname = Fpath.(dir / string_of_int i) in
(fname, key.Signkey.priv)) (fname, key.Signkey.priv))
@ -24,7 +25,7 @@ let load conn =
Fmt.error_msg "secmod_signkey load error: invalid store state." Fmt.error_msg "secmod_signkey load error: invalid store state."
in in
let* sm_key = Data_file.load_signkey conn Fpath.(dir / "sm_key") in let* sm_key = Data_file.load_signkey conn Fpath.(dir / "sm_key") in
let* keys = let* signkeys =
let l = List.init 1 (fun i -> Fpath.(dir / string_of_int i)) in let l = List.init 1 (fun i -> Fpath.(dir / string_of_int i)) in
let* l = let* l =
Syntax.list_map (fun fname -> Data_file.load_signkey conn fname) l Syntax.list_map (fun fname -> Data_file.load_signkey conn fname) l
@ -33,12 +34,15 @@ let load conn =
| Error () -> error_invalid_state | Error () -> error_invalid_state
| Ok opt -> Ok opt | Ok opt -> Ok opt
in in
match (sm_key, keys) with match (sm_key, signkeys) with
| None, None -> Ok None | None, None -> Ok None
| Some sm_key, Some keys -> Ok (Some { sm_key; keys }) | Some sm_key, Some signkeys ->
let lock = Miou.Mutex.create () in
Ok (Some { lock; sm_key; signkeys })
| _, _ -> error_invalid_state | _, _ -> error_invalid_state
let make_new () = let make_new () =
let lock = Miou.Mutex.create () in
let sm_key = Signkey.make () in let sm_key = Signkey.make () in
let keys = [ Signkey.make () ] in let signkeys = [ Signkey.make () ] in
{ sm_key; keys } { lock; sm_key; signkeys }