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swrup 2025-10-07 14:59:58 +02:00
parent 6ed9916974
commit e4b9fb473a
2 changed files with 79 additions and 81 deletions
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158
src/binary_formats.ml
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@ -23,7 +23,7 @@ module Time = struct
|+ field neint64 (fun t -> t.timestamp_us)
|> sealr
let nbo_bin =
let nboBin =
let open Bin in
record (fun abs_value_us__ -> { abs_value_us__ })
|+ field beint64 (fun t -> t.abs_value_us__)
@ -42,7 +42,7 @@ module Time = struct
|+ field neint64 (fun t -> t.timestamp_us)
|> sealr
let nbo_bin =
let nboBin =
let open Bin in
record (fun rel_value_us__ -> { rel_value_us__ })
|+ field beint64 (fun t -> t.rel_value_us__)
@ -53,7 +53,7 @@ end
(* -- Cryptographic primitives -- *)
(* MK_BASIC_XX functor for structs like:
struct Foo { uint8_t bar[XX]; } *)
struct Foo { uint8t bar[XX]; } *)
module MKMK_BASIC (Size : sig
val v : int
end) =
@ -79,7 +79,7 @@ module MK_BASIC_32 () = MKMK_BASIC (SIZE_32)
module MK_BASIC_64 () = MKMK_BASIC (SIZE_64)
(* MK_XX functor for structs like:
struct FooWrap { struct Foo { uint8_t bar[XX]; } } *)
struct FooWrap { struct Foo { uint8t bar[XX]; } } *)
module MKMK (Size : sig
val v : int
end) =
@ -101,37 +101,37 @@ module MK_64 () = MKMK (SIZE_64)
module ShortHashCode = MK_BASIC_32 ()
module HashCode = MK_BASIC_64 ()
module Denomination_hash = MK_64 ()
module Private_contract_hash = MK_64 ()
module Extensions_policy_hash = MK_64 ()
module Merchant_wire_hash = MK_64 ()
module DenominationHash = MK_64 ()
module PrivateContractHash = MK_64 ()
module ExtensionsPolicyHash = MK_64 ()
module MerchantWireHash = MK_64 ()
(* Hash over a full payto://-URI, including receiver-name
(and possibly BIC and other optional fields). *)
module Full_payto_hash = MK_32 ()
module FullPaytoHash = MK_32 ()
(* Hash over a normalized payto://-URI, including all optional
fields and also with account-part canonicalized (so no BIC). *)
module Normalized_payto_hash = MK_32 ()
module NormalizedPaytoHash = MK_32 ()
(* Hash over:
a) the hash of the denomination's public key,
b) an enum value identifying the cipher, and
c) cipher-dependant blinded information.
See implementation of `TALER_coin_ev_hash`
See implementation of `TALER_CoinEvHash`
in libtalerexchange for details. *)
module Blinded_coin_hash = MK_64 ()
module Coin_pub_hash = MK_64 ()
module Output_commitment_hash = MK_64 ()
module Reserve_public_key_p = MK_32 ()
module Reserve_private_key_p = MK_32 ()
module Reserve_signature_p = MK_64 ()
module Merchant_public_key_p = MK_32 ()
module Merchant_private_key_p = MK_32 ()
(*module Merchant_signature_p = MK_64 () *)
module BlindedCoinHash = MK_64 ()
module CoinPubHash = MK_64 ()
module OutputCommitmentHash = MK_64 ()
module ReservePublicKeyP = MK_32 ()
module ReservePrivateKeyP = MK_32 ()
module ReserveSignatureP = MK_64 ()
module MerchantPublicKeyP = MK_32 ()
module MerchantPrivateKeyP = MK_32 ()
(*module MerchantSignatureP = MK_64 () *)
module Transfert_public_key_p = MK_32 ()
module Transfert_private_key_p = MK_32 ()
module TransfertPublicKeyP = MK_32 ()
module TransfertPrivateKeyP = MK_32 ()
(*
enum TALER_AmlDecisionState {
@ -139,18 +139,18 @@ enum TALER_AmlDecisionState {
};
*)
module Aml_officer_public_key_p = MK_32 ()
module Aml_officer_private_key_p = MK_32 ()
module Exchange_public_key_p = MK_32 ()
module Exchange_private_key_p = MK_32 ()
module Exchange_signature_p = MK_64 ()
module Master_public_key_p = MK_32 ()
module Master_private_key_p = MK_32 ()
module Master_signature_p = MK_64 ()
module Wire_transfert_identifier_raw_p = MK_BASIC_32 ()
module AmlOfficerPublicKeyP = MK_32 ()
module AmlOfficerPrivateKeyP = MK_32 ()
module ExchangePublicKeyP = MK_32 ()
module ExchangePrivateKeyP = MK_32 ()
module ExchangeSignatureP = MK_64 ()
module MasterPublicKeyP = MK_32 ()
module MasterPrivateKeyP = MK_32 ()
module MasterSignatureP = MK_64 ()
module WireTransfertIdentifierRawP = MK_BASIC_32 ()
module UUID = struct
(* uint32_t value[4]; *)
(* uint32t value[4]; *)
type t = { value: string }
let size = 4 * int32_size
@ -162,8 +162,8 @@ module UUID = struct
|> sealr
end
module Wad_id = struct
(* uint32_t value[6]; *)
module WadId = struct
(* uint32t value[6]; *)
type t = { raw: string }
let size = 6 * int32_size
@ -176,40 +176,40 @@ end
(* TODO not sure what to do of union, probably not needed *)
(*
union TALER_CoinSpendPublicKeyP {
uint8_t eddsa_pub[32];
uint8_t ecdhe_pub[32];
uint8t eddsaPub[32];
uint8t ecdhePub[32];
};
union TALER_CoinSpendPrivateKeyP {
uint8_t eddsa_priv[32];
uint8_t ecdhe_priv[32];
uint8t eddsaPriv[32];
uint8t ecdhePriv[32];
};
*)
module Coin_spend_public_key_p = MK_32 ()
module Coin_spend_private_key_p = MK_32 ()
module Coin_spend_signature_p = MK_64 ()
module CoinSpendPublicKeyP = MK_32 ()
module CoinSpendPrivateKeyP = MK_32 ()
module CoinSpendSignatureP = MK_64 ()
(* TODO padding: sizeof used here (assume no padding for now) *)
(*
struct TALER_TransferSecretP {
uint8_t key[sizeof (struct GNUNET_HashCode)];
uint8t key[sizeof (struct GNUNET_HashCode)];
};
uint8_t key[sizeof (struct GNUNET_HashCode)];
uint8t key[sizeof (struct GNUNET_HashCode)];
};
struct TALER_EncryptedLinkSecretP {
uint8_t enc[sizeof (struct TALER_LinkSecretP)];
uint8t enc[sizeof (struct TALER_LinkSecretP)];
};
*)
module Transfert_secret_p = MK_64 ()
module Link_secret_p = MK_64 ()
module Encrypted_link_secret_p = MK_64 ()
module TransfertSecretP = MK_64 ()
module LinkSecretP = MK_64 ()
module EncryptedLinkSecretP = MK_64 ()
(*
union TALER_TokenPublicKeyP {
uint8_t eddsa_pub[32];
uint8_t ecdhe_pub[32];
uint8t eddsaPub[32];
uint8t ecdhePub[32];
};
*)
module Token_public_key_p = MK_32 ()
module TokenPublicKeyP = MK_32 ()
(* -- Signatures -- *)
@ -243,7 +243,7 @@ end
Note that each `TALER_BlindedCoinHashP` itself
captures the hash of the corresponding denomination's
public key. *)
module Hash_planchets_p = MK_64 ()
module HashPlanchetsP = MK_64 ()
(* Binary representation of the age groups.
The bits set in the mask mark the edges at the beginning of a next age
@ -257,7 +257,7 @@ module Hash_planchets_p = MK_64 ()
A value of 0 means that the exchange does not support the extension for
age-restriction. *)
module Age_mask = struct
module AgeMask = struct
type t = { mask: int32 }
let size = int32_size
@ -269,7 +269,7 @@ end
(* TODO TALER doc
should be in doc
found in src/include/taler/taler_amount_lib.h
found in src/include/taler/talerAmountLib.h
why is the non-NBO version only used in TALER_WithdrawRequestPS?
GNUNET_PACKED?
@ -284,19 +284,17 @@ end
* For regional currencies, the first character should be a "*" followed
* by a region-specific name (i.e. "*BRETAGNEFR").
*/
#define TALER_CURRENCY_LEN 12
struct TALER_AmountNBO
{
/**
* Value in the main currency, in NBO.
*/
uint64_t value GNUNET_PACKED;
uint64t value GNUNET_PACKED;
/**
* Fraction (integer multiples of #TALER_AMOUNT_FRAC_BASE), in NBO.
*/
uint32_t fraction GNUNET_PACKED;
uint32t fraction GNUNET_PACKED;
/**
* Type of the currency being represented.
@ -309,12 +307,12 @@ struct TALER_Amount
/**
* Value (numerator of fraction)
*/
uint64_t value;
uint64t value;
/**
* Fraction (integer multiples of #TALER_AMOUNT_FRAC_BASE).
*/
uint32_t fraction;
uint32t fraction;
/**
* Currency string, left adjusted and padded with zeros. All zeros
@ -362,11 +360,11 @@ module AmountNBO = struct
|> sealr
end
module Blinding_master_seed = MK_BASIC_32 ()
module BlindingMasterSeed = MK_BASIC_32 ()
(* Format used for to generate the signature on a request to withdraw
coins from a reserve. *)
module Withdraw_request_ps = struct
module WithdrawRequestPs = struct
(* Purpose is #TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW *)
type t = {
(* Amount to withdraw, excluding fees, i.e.
@ -381,7 +379,7 @@ module Withdraw_request_ps = struct
Note that each `TALER_BlindedCoinHashP` itself
captures the hash of the corresponding denomination's
public key.
If max_age was set in the withdraw request, there will be
If maxAge was set in the withdraw request, there will be
n*κ many such values. The iteration MUST be first over
all coins belonging to κ index=0, then all coins
to κ index=1 etc:
@ -390,51 +388,51 @@ module Withdraw_request_ps = struct
Note also that this value is required for /recoup and
-- in case of a withdraw request with required age proof --
in the subsequent call to /reveal-withdraw *)
h_planchets: Hash_planchets_p.t;
h_planchets: HashPlanchetsP.t;
(* The master seed that was used in the call to /blinding-prepare blinding,
or all zeros, if no denomination of cipher type Clause-Schnorr is used. *)
(* TODO TALER doc
`TALER_BlindingMasterSecretP` in doc, but probably TALER_BlindingMasterSeed *)
blinding_seed: Blinding_master_seed.t;
(* If age restriction proof is required, the maximum age _group_
blinding_seed: BlindingMasterSeed.t;
(* If age restriction proof is required, the maximum age Group_
to commit to, 0 otherwise. Note that in this case, all
denominations for all coins MUST support age restriction.
Also note that this is not an age (in years), but the age group
(an index) according to list of age groups in the configuration
of the exchange. See TALER_get_max_group() how to calculate
of the exchange. See TALER_GetMaxGroup() how to calculate
the age group to a given age (in years). *)
max_age_group: int32;
(* The age groups as configured for the exchange, represented as a mask.
If max_age_group is > 0, the mask MUST be non-zero, too. *)
mask: Age_mask.t;
mask: AgeMask.t;
}
let size =
Purpose.size
+ (2 * Amount.size)
+ Hash_planchets_p.size
+ Blinding_master_seed.size
+ HashPlanchetsP.size
+ BlindingMasterSeed.size
+ int32_size
+ Age_mask.size
+ AgeMask.size
let purpose = Purpose.make ~size Taler_signatures.wallet_reserve_withdraw
let bin =
let open Bin in
record
(fun _purpose amount fee h_planchets blinding_seed max_age_group mask ->
(fun _urpose amount fee h_planchets blinding_seed max_age_group mask ->
{ amount; fee; h_planchets; blinding_seed; max_age_group; mask })
|+ field Purpose.bin (Fun.const purpose)
|+ field Amount.bin (fun t -> t.amount)
|+ field Amount.bin (fun t -> t.fee)
|+ field Hash_planchets_p.bin (fun t -> t.h_planchets)
|+ field Blinding_master_seed.bin (fun t -> t.blinding_seed)
|+ field HashPlanchetsP.bin (fun t -> t.h_planchets)
|+ field BlindingMasterSeed.bin (fun t -> t.blinding_seed)
|+ field beint32 (fun t -> t.max_age_group)
|+ field Age_mask.bin (fun t -> t.mask)
|+ field AgeMask.bin (fun t -> t.mask)
|> sealr
end
module Withdraw_confirmation_ps = struct
module WithdrawConfirmationPs = struct
(* Purpose is #TALER_SIGNATURE_EXCHANGE_CONFIRM_WITHDRAW.
Signed by a `struct TALER_ExchangePrivateKeyP` using EdDSA. *)
type t = {
@ -443,9 +441,9 @@ module Withdraw_confirmation_ps = struct
of required proof of age restriction) and for /recoup *)
(* TODO TALER doc
missing TALER_HashBlindedPlanchetsP*)
h_planchets: Hash_planchets_p.t;
h_planchets: HashPlanchetsP.t;
(* If proof of age restriction is not required for to this
withdrawal, (i.e. max_age was not set during the request)
withdrawal, (i.e. maxAge was not set during the request)
MUST be 0xFFFFFFFF.
Otherwise (i.e. proof of age restriction required):
index that the client will not have to reveal, in NBO,
@ -453,15 +451,15 @@ module Withdraw_confirmation_ps = struct
noreveal_index: int32;
}
let size = Purpose.size + Hash_planchets_p.size + int32_size
let size = Purpose.size + HashPlanchetsP.size + int32_size
let purpose = Purpose.make ~size Taler_signatures.exchange_confirm_withdraw
let bin =
let open Bin in
record (fun _purpose h_planchets noreveal_index ->
record (fun _urpose h_planchets noreveal_index ->
{ h_planchets; noreveal_index })
|+ field Purpose.bin (Fun.const purpose)
|+ field Hash_planchets_p.bin (fun t -> t.h_planchets)
|+ field HashPlanchetsP.bin (fun t -> t.h_planchets)
|+ field beint32 (fun t -> t.noreveal_index)
|> sealr
end