mte/tools/offline_bin.ml
2026-07-03 19:52:23 +02:00

84 lines
2.1 KiB
OCaml

open Crypto
open Bin_type
open Api
let denom_signature ~master_key
FutureDenom.
{
section_name= _;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
denom_pub;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund= _;
(* TODO check sigs *)
denom_secmod_sig= _;
} =
let octets = DenominationKey.to_octets denom_pub in
let h_denom_pub = HashCode.hash octets in
let master_sig =
let open Bin_signature.DenominationKeyValidityPS in
let master = EddsaPrivateKey.(pub_of_priv master_key) in
let denom_hash = DenominationHash.hash octets in
{
master;
start= stamp_start;
expire_withdraw= stamp_expire_withdraw;
expire_spend= stamp_expire_deposit;
expire_legal= stamp_expire_legal;
value;
fee_withdraw;
fee_deposit;
fee_refresh;
denom_hash;
}
|> Bin.to_string bin
|> EddsaSignature.sign ~key:master_key
in
DenomSignature.{ h_denom_pub; master_sig }
let signkey_signature ~master_key
FutureSignKey.
{
key;
stamp_start;
stamp_expire;
stamp_end;
(* TODO check sigs *)
signkey_secmod_sig= _;
} =
let master_sig =
let open Bin_signature.ExchangeSigningKeyValidityPS in
{
start= stamp_start;
expire= stamp_expire;
end_= stamp_end;
signkey_pub= key;
}
|> Bin.to_string bin
|> EddsaSignature.sign ~key:master_key
in
SignKeySignature.{ key; master_sig }
let make_master_signatures ~master_key
FutureKeysResponse.
{
future_denoms;
future_signkeys;
(* TODO check sigs *)
master_pub= _;
denom_secmod_public_key= _;
signkey_secmod_public_key= _;
} =
let denom_sigs = List.map (denom_signature ~master_key) future_denoms in
let signkey_sigs = List.map (signkey_signature ~master_key) future_signkeys in
MasterSignatures.{ denom_sigs; signkey_sigs }
let verify_future_key_response _future_key_response =
(* TODO *)
Ok ()