diff options
Diffstat (limited to 'src/util/exchange_signatures.c')
| -rw-r--r-- | src/util/exchange_signatures.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/util/exchange_signatures.c b/src/util/exchange_signatures.c index 4890ca20..eeec0d61 100644 --- a/src/util/exchange_signatures.c +++ b/src/util/exchange_signatures.c @@ -23,6 +23,8 @@ #include "taler_signatures.h" +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Format used to generate the signature on a confirmation * from the exchange that a deposit request succeeded. @@ -91,6 +93,8 @@ struct TALER_DepositConfirmationPS }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_deposit_confirmation_sign ( @@ -172,6 +176,8 @@ TALER_exchange_online_deposit_confirmation_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Format used to generate the signature on a request to refund * a coin into the account of the customer. @@ -213,6 +219,8 @@ struct TALER_RefundConfirmationPS struct TALER_AmountNBO refund_amount; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_refund_confirmation_sign ( @@ -276,6 +284,8 @@ TALER_exchange_online_refund_confirmation_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Format of the block signed by the Exchange in response to a successful * "/refresh/melt" request. Hereby the exchange affirms that all of the @@ -303,6 +313,8 @@ struct TALER_RefreshMeltConfirmationPS }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_melt_confirmation_sign ( @@ -347,6 +359,8 @@ TALER_exchange_online_melt_confirmation_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Signature made by the exchange over the full set of keys, used * to detect cheating exchanges that give out different sets to @@ -372,6 +386,8 @@ struct TALER_ExchangeKeySetPS struct GNUNET_HashCode hc GNUNET_PACKED; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_key_set_sign ( @@ -418,6 +434,8 @@ TALER_exchange_online_key_set_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Signature by which an exchange affirms that an account * successfully passed the KYC checks. @@ -442,6 +460,8 @@ struct TALER_ExchangeAccountSetupSuccessPS struct GNUNET_TIME_TimestampNBO timestamp; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_account_setup_success_sign ( @@ -490,6 +510,8 @@ TALER_exchange_online_account_setup_success_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Format internally used for packing the detailed information * to generate the signature for /track/transfer signatures. @@ -524,6 +546,8 @@ struct TALER_WireDepositDetailP }; +GNUNET_NETWORK_STRUCT_END + void TALER_exchange_online_wire_deposit_append ( @@ -549,6 +573,8 @@ TALER_exchange_online_wire_deposit_append ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * @brief Format used to generate the signature for /wire/deposit * replies. @@ -589,6 +615,8 @@ struct TALER_WireDepositDataPS }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_wire_deposit_sign ( @@ -650,6 +678,8 @@ TALER_exchange_online_wire_deposit_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Details affirmed by the exchange about a wire transfer the exchange * claims to have done with respect to a deposit operation. @@ -698,6 +728,8 @@ struct TALER_ConfirmWirePS }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_confirm_wire_sign ( @@ -761,6 +793,8 @@ TALER_exchange_online_confirm_wire_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Response by which the exchange affirms that it will * refund a coin as part of the emergency /recoup @@ -799,6 +833,8 @@ struct TALER_RecoupConfirmationPS struct TALER_ReservePublicKeyP reserve_pub; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_confirm_recoup_sign ( @@ -851,6 +887,8 @@ TALER_exchange_online_confirm_recoup_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Response by which the exchange affirms that it will refund a refreshed coin * as part of the emergency /recoup protocol. The recoup will go back to the @@ -888,6 +926,8 @@ struct TALER_RecoupRefreshConfirmationPS struct TALER_CoinSpendPublicKeyP old_coin_pub; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_confirm_recoup_refresh_sign ( @@ -945,6 +985,8 @@ TALER_exchange_online_confirm_recoup_refresh_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Response by which the exchange affirms that it does not * currently know a denomination by the given hash. @@ -968,6 +1010,8 @@ struct TALER_DenominationUnknownAffirmationPS struct TALER_DenominationHashP h_denom_pub; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_denomination_unknown_sign ( @@ -1012,6 +1056,8 @@ TALER_exchange_online_denomination_unknown_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Response by which the exchange affirms that it does not * currently consider the given denomination to be valid @@ -1042,6 +1088,8 @@ struct TALER_DenominationExpiredAffirmationPS }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_denomination_expired_sign ( @@ -1100,6 +1148,8 @@ TALER_exchange_online_denomination_expired_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + /** * Response by which the exchange affirms that it has * closed a reserve and send back the funds. @@ -1143,6 +1193,8 @@ struct TALER_ReserveCloseConfirmationPS struct TALER_WireTransferIdentifierRawP wtid; }; +GNUNET_NETWORK_STRUCT_END + enum TALER_ErrorCode TALER_exchange_online_reserve_closed_sign ( @@ -1209,4 +1261,117 @@ TALER_exchange_online_reserve_closed_verify ( } +GNUNET_NETWORK_STRUCT_BEGIN + +/** + * Response by which the exchange affirms that it has + * received funds deposited into a purse. + */ +struct TALER_PurseCreateDepositConfirmationPS +{ + + /** + * Purpose is #TALER_SIGNATURE_EXCHANGE_CONFIRM_PURSE_CREATION + */ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + + /** + * When did the exchange receive the deposits. + */ + struct GNUNET_TIME_TimestampNBO exchange_time; + + /** + * When will the purse expire? + */ + struct GNUNET_TIME_TimestampNBO purse_expiration; + + /** + * How much should the purse ultimately contain. + */ + struct TALER_AmountNBO amount_without_fee; + + /** + * How much was deposited so far. + */ + struct TALER_AmountNBO total_deposited; + + /** + * Public key of the purse. + */ + struct TALER_PurseContractPublicKeyP purse_pub; + + /** + * Public key of the merge capability. + */ + struct TALER_PurseMergePublicKeyP merge_pub; + + /** + * Hash of the contract of the purse. + */ + struct TALER_PrivateContractHashP h_contract_terms; + +}; + +GNUNET_NETWORK_STRUCT_END + + +enum TALER_ErrorCode +TALER_exchange_online_purse_created_sign ( + TALER_ExchangeSignCallback scb, + struct GNUNET_TIME_Timestamp exchange_time, + struct GNUNET_TIME_Timestamp purse_expiration, + const struct TALER_Amount *amount_without_fee, + const struct TALER_Amount *total_deposited, + const struct TALER_PurseContractPublicKeyP *purse_pub, + const struct TALER_PurseMergePublicKeyP *merge_pub, + const struct TALER_PrivateContractHashP *h_contract_terms, + struct TALER_ExchangePublicKeyP *pub, + struct TALER_ExchangeSignatureP *sig) +{ + struct TALER_PurseCreateDepositConfirmationPS dc = { + .purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_PURSE_CREATION), + .purpose.size = htonl (sizeof (dc)), + .h_contract_terms = *h_contract_terms, + .purse_pub = *purse_pub, + .merge_pub = *merge_pub, + .purse_expiration = GNUNET_TIME_timestamp_hton (purse_expiration), + .exchange_time = GNUNET_TIME_timestamp_hton (exchange_time) + }; + + return scb (&dc.purpose, + pub, + sig); +} + + +enum GNUNET_GenericReturnValue +TALER_exchange_online_purse_created_verify ( + struct GNUNET_TIME_Timestamp exchange_time, + struct GNUNET_TIME_Timestamp purse_expiration, + const struct TALER_Amount *amount_without_fee, + const struct TALER_Amount *total_deposited, + const struct TALER_PurseContractPublicKeyP *purse_pub, + const struct TALER_PurseMergePublicKeyP *merge_pub, + const struct TALER_PrivateContractHashP *h_contract_terms, + const struct TALER_ExchangePublicKeyP *pub, + const struct TALER_ExchangeSignatureP *sig) +{ + struct TALER_PurseCreateDepositConfirmationPS dc = { + .purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_PURSE_CREATION), + .purpose.size = htonl (sizeof (dc)), + .h_contract_terms = *h_contract_terms, + .purse_pub = *purse_pub, + .merge_pub = *merge_pub, + .purse_expiration = GNUNET_TIME_timestamp_hton (purse_expiration), + .exchange_time = GNUNET_TIME_timestamp_hton (exchange_time) + }; + + return + GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_PURSE_CREATION, + &dc, + &sig->eddsa_signature, + &pub->eddsa_pub); +} + + /* end of exchange_signatures.c */ |