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add new signature functions for DD31

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This commit is contained in:
Christian Grothoff 2022-09-18 17:36:35 +02:00
parent b4b857abea
commit 18a2fae3b5
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
5 changed files with 560 additions and 19 deletions
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2
contrib/gana

@ -1 +1 @@
Subproject commit 5f6a1413a6053d1999064768188f1671eb015897
Subproject commit d402af78f6d360841db53baa46dddae13590ec33

94
src/include/taler_crypto_lib.h
View File

@ -3059,13 +3059,65 @@ TALER_wallet_account_merge_verify (
/**
* Sign a request to delete/close an account.
* FIXME.
*/
void
TALER_wallet_reserve_open_sign (
const struct TALER_Amount *reserve_payment,
struct GNUNET_TIME_Timestamp request_timestamp,
struct GNUNET_TIME_Timestamp reserve_expiration,
uint32_t purse_limit,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig);
/**
* FIXME.
*/
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_open_verify (
const struct TALER_Amount *reserve_payment,
struct GNUNET_TIME_Timestamp request_timestamp,
struct GNUNET_TIME_Timestamp reserve_expiration,
uint32_t purse_limit,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig);
/**
* FIXME.
*/
void
TALER_wallet_reserve_open_deposit_sign (
const struct TALER_Amount *coin_contribution,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_CoinSpendPrivateKeyP *coin_priv,
struct TALER_CoinSpendSignatureP *coin_sig);
/**
* FIXME.
*/
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_open_deposit_verify (
const struct TALER_Amount *coin_contribution,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig);
/**
* Sign a request to close a reserve.
*
* @param reserve_priv key identifying the reserve
* @param[out] reserve_sig resulting signature
*/
void
TALER_wallet_account_close_sign (
TALER_wallet_reserve_close_sign (
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig);
@ -3078,7 +3130,9 @@ TALER_wallet_account_close_sign (
* @return #GNUNET_OK if the signature is valid
*/
enum GNUNET_GenericReturnValue
TALER_wallet_account_close_verify (
TALER_wallet_reserve_close_verify (
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig);
@ -3108,6 +3162,28 @@ TALER_wallet_account_setup_verify (
const struct TALER_ReserveSignatureP *reserve_sig);
/**
* FIXME.
*/
void
TALER_wallet_reserve_attest_request_sign (
struct GNUNET_TIME_Timestamp request_timestamp,
const json_t *details,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig);
/**
* FIXME.
*/
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_attest_request_verify (
struct GNUNET_TIME_Timestamp request_timestamp,
const json_t *details,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig);
/**
* Sign a deposit permission. Function for wallets.
*
@ -3785,6 +3861,18 @@ TALER_exchange_online_account_setup_success_verify (
const struct TALER_ExchangeSignatureP *sig);
/**
* Hash normalized @a j JSON object or array and
* store the result in @a hc.
*
* @param j JSON to hash
* @param[out] hc where to write the hash
*/
void
TALER_json_hash (const json_t *j,
struct GNUNET_HashCode *hc);
/**
* Update the @a hash_context in the computation of the
* h_details for a wire status signature.

99
src/util/exchange_signatures.c
View File

@ -1591,4 +1591,103 @@ TALER_exchange_online_purse_status_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by the exchange to affirm that the
* owner of a reserve has certain attributes.
*/
struct TALER_ExchangeAttestPS
{
/**
* Purpose is #TALER_SIGNATURE_EXCHANGE_RESERVE_ATTEST_DETAILS
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* Time when the attestation was made.
*/
struct GNUNET_TIME_TimestampNBO attest_timestamp;
/**
* Time when the attestation expires.
*/
struct GNUNET_TIME_TimestampNBO expiration_time;
/**
* Public key of the reserve for which the attributes
* are attested.
*/
struct TALER_ReservePublicKeyP reserve_pub;
/**
* Hash over the attributes.
*/
struct GNUNET_HashCode h_attributes;
};
GNUNET_NETWORK_STRUCT_END
enum TALER_ErrorCode
TALER_exchange_online_reserve_attest_details_sign (
TALER_ExchangeSignCallback scb,
struct GNUNET_TIME_Timestamp attest_timestamp,
struct GNUNET_TIME_Timestamp expiration_time,
const struct TALER_ReservePublicKeyP *reserve_pub,
const json_t *attributes,
struct TALER_ExchangePublicKeyP *pub,
struct TALER_ExchangeSignatureP *sig)
{
struct TALER_ExchangeAttestPS rap = {
.purpose.size = htonl (sizeof (rap)),
.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_RESERVE_ATTEST_DETAILS),
.attest_timestamp = GNUNET_TIME_timestamp_hton (attest_timestamp),
.expiration_time = GNUNET_TIME_timestamp_hton (expiration_time),
.reserve_pub = *reserve_pub
};
TALER_json_hash (attributes,
&rap.h_attributes);
return scb (&rap.purpose,
pub,
sig);
}
enum GNUNET_GenericReturnValue
TALER_exchange_online_reserve_attest_details_verify (
struct GNUNET_TIME_Timestamp attest_timestamp,
struct GNUNET_TIME_Timestamp expiration_time,
const struct TALER_ReservePublicKeyP *reserve_pub,
const json_t *attributes,
struct TALER_ExchangePublicKeyP *pub,
struct TALER_ExchangeSignatureP *sig)
{
struct TALER_ExchangeAttestPS rap = {
.purpose.size = htonl (sizeof (rap)),
.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_RESERVE_ATTEST_DETAILS),
.attest_timestamp = GNUNET_TIME_timestamp_hton (attest_timestamp),
.expiration_time = GNUNET_TIME_timestamp_hton (expiration_time),
.reserve_pub = *reserve_pub
};
TALER_json_hash (attributes,
&rap.h_attributes);
if (GNUNET_OK !=
GNUNET_CRYPTO_eddsa_verify (
TALER_SIGNATURE_EXCHANGE_RESERVE_ATTEST_DETAILS,
&rap,
&sig->eddsa_signature,
&pub->eddsa_pub))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
/* end of exchange_signatures.c */

25
src/util/util.c
View File

@ -217,6 +217,31 @@ TALER_denom_fee_check_currency (
}
/**
* Hash normalized @a j JSON object or array and
* store the result in @a hc.
*
* @param j JSON to hash
* @param[out] hc where to write the hash
*/
void
TALER_json_hash (const json_t *j,
struct GNUNET_HashCode *hc)
{
char *cstr;
size_t clen;
cstr = json_dumps (j,
JSON_COMPACT | JSON_SORT_KEYS);
GNUNET_assert (NULL != cstr);
clen = strlen (cstr);
GNUNET_CRYPTO_hash (cstr,
clen,
hc);
free (cstr);
}
#ifdef __APPLE__
char *
strchrnul (const char *s,

359
src/util/wallet_signatures.c
View File

@ -23,6 +23,8 @@
#include "taler_signatures.h"
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief Format used to generate the signature on a request to deposit
* a coin into the account of a merchant.
@ -109,6 +111,7 @@ struct TALER_DepositRequestPS
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_deposit_sign (
@ -199,6 +202,8 @@ TALER_wallet_deposit_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief Format used for to allow the wallet to authenticate
* link data provided by the exchange.
@ -233,6 +238,7 @@ struct TALER_LinkDataPS
struct TALER_BlindedCoinHashP coin_envelope_hash;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_link_sign (const struct TALER_DenominationHashP *h_denom_pub,
@ -279,6 +285,8 @@ TALER_wallet_link_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Signed data to request that a coin should be refunded as part of
* the "emergency" /recoup protocol. The refund will go back to the bank
@ -304,6 +312,8 @@ struct TALER_RecoupRequestPS
};
GNUNET_NETWORK_STRUCT_END
enum GNUNET_GenericReturnValue
TALER_wallet_recoup_verify (
@ -387,6 +397,8 @@ TALER_wallet_recoup_refresh_sign (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief Message signed by a coin to indicate that the coin should be
* melted.
@ -438,6 +450,7 @@ struct TALER_RefreshMeltCoinAffirmationPS
struct TALER_AmountNBO melt_fee;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_melt_sign (
@ -504,6 +517,9 @@ TALER_wallet_melt_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief Format used for to generate the signature on a request to withdraw
* coins from a reserve.
@ -538,6 +554,8 @@ struct TALER_WithdrawRequestPS
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_withdraw_sign (
const struct TALER_DenominationHashP *h_denom_pub,
@ -621,6 +639,8 @@ TALER_wallet_account_setup_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Response by which a wallet requests a full
* reserve history and indicates it is willing
@ -647,6 +667,9 @@ struct TALER_ReserveHistoryRequestPS
};
GNUNET_NETWORK_STRUCT_END
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_history_verify (
const struct GNUNET_TIME_Timestamp ts,
@ -691,6 +714,8 @@ TALER_wallet_reserve_history_sign (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Response by which a wallet requests an account status.
*/
@ -709,6 +734,7 @@ struct TALER_ReserveStatusRequestPS
};
GNUNET_NETWORK_STRUCT_END
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_status_verify (
@ -748,6 +774,8 @@ TALER_wallet_reserve_status_sign (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed to create a purse (without reserve).
*/
@ -787,6 +815,9 @@ struct TALER_PurseCreatePS
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_purse_create_sign (
struct GNUNET_TIME_Timestamp purse_expiration,
@ -877,6 +908,8 @@ TALER_wallet_purse_status_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed to deposit a coin into a purse.
*/
@ -916,6 +949,7 @@ struct TALER_PurseDepositPS
struct GNUNET_HashCode h_exchange_base_url GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_purse_deposit_sign (
@ -977,6 +1011,8 @@ TALER_wallet_purse_deposit_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed to merge a purse into a reserve.
*/
@ -1006,6 +1042,7 @@ struct TALER_PurseMergePS
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_purse_merge_sign (
@ -1067,6 +1104,8 @@ TALER_wallet_purse_merge_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by account to merge a purse into a reserve.
*/
@ -1122,6 +1161,8 @@ struct TALER_AccountMergePS
uint32_t flags GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_account_merge_sign (
@ -1193,44 +1234,331 @@ TALER_wallet_account_merge_verify (
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by
*/
struct TALER_ReserveOpenPS
{
/**
* Purpose is #TALER_SIGNATURE_WALLET_RESERVE_OPEN
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* Amount to be paid from the reserve balance to open
* the reserve.
*/
struct TALER_AmountNBO reserve_payment;
/**
* When was the request created.
*/
struct GNUNET_TIME_TimestampNBO request_timestamp;
/**
* For how long should the reserve be kept open.
* (Determines amount to be paid.)
*/
struct GNUNET_TIME_TimestampNBO reserve_expiration;
/**
* How many open purses should be included with the
* open reserve?
* (Determines amount to be paid.)
*/
uint32_t purse_limit GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_account_close_sign (
// FIXME: add max amount (optional)
// timestamp, target account (optional)
TALER_wallet_reserve_open_sign (
const struct TALER_Amount *reserve_payment,
struct GNUNET_TIME_Timestamp request_timestamp,
struct GNUNET_TIME_Timestamp reserve_expiration,
uint32_t purse_limit,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig)
{
struct GNUNET_CRYPTO_EccSignaturePurpose purpose = {
.size = htonl (sizeof (purpose)),
.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_CLOSE)
struct TALER_ReserveOpenPS rop = {
.purpose.size = htonl (sizeof (rop)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_OPEN),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp),
.reserve_expiration = GNUNET_TIME_timestamp_hton (reserve_expiration),
.purse_limit = htonl (purse_limit)
};
TALER_amount_hton (&rop.reserve_payment,
reserve_payment);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign_ (&reserve_priv->eddsa_priv,
&purpose,
&rop.purpose,
&reserve_sig->eddsa_signature));
}
enum GNUNET_GenericReturnValue
TALER_wallet_account_close_verify (
// FIXME: add max amount (optional),
// timestamp, target account (optional)
TALER_wallet_reserve_open_verify (
const struct TALER_Amount *reserve_payment,
struct GNUNET_TIME_Timestamp request_timestamp,
struct GNUNET_TIME_Timestamp reserve_expiration,
uint32_t purse_limit,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig)
{
struct GNUNET_CRYPTO_EccSignaturePurpose purpose = {
.size = htonl (sizeof (purpose)),
.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_CLOSE)
struct TALER_ReserveOpenPS rop = {
.purpose.size = htonl (sizeof (rop)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_OPEN),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp),
.reserve_expiration = GNUNET_TIME_timestamp_hton (reserve_expiration),
.purse_limit = htonl (purse_limit)
};
return GNUNET_CRYPTO_eddsa_verify_ (TALER_SIGNATURE_WALLET_RESERVE_CLOSE,
&purpose,
TALER_amount_hton (&rop.reserve_payment,
reserve_payment);
return GNUNET_CRYPTO_eddsa_verify_ (TALER_SIGNATURE_WALLET_RESERVE_OPEN,
&rop.purpose,
&reserve_sig->eddsa_signature,
&reserve_pub->eddsa_pub);
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by
*/
struct TALER_ReserveOpenDepositPS
{
/**
* Purpose is #TALER_SIGNATURE_WALLET_RESERVE_OPEN_DEPOSIT
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* When was the request created.
*/
struct GNUNET_TIME_TimestampNBO request_timestamp;
/**
* Which reserve's opening should be paid for?
*/
struct TALER_ReservePublicKeyP reserve_pub;
/**
* Specifies how much of the coin's value should be spent on opening this
* reserve.
*/
struct TALER_AmountNBO coin_contribution;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_reserve_open_deposit_sign (
const struct TALER_Amount *coin_contribution,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_CoinSpendPrivateKeyP *coin_priv,
struct TALER_CoinSpendSignatureP *coin_sig)
{
struct TALER_ReserveOpenDepositPS rod = {
.purpose.size = htonl (sizeof (rod)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_OPEN_DEPOSIT),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp),
.reserve_pub = *reserve_pub
};
TALER_amount_hton (&rod.coin_contribution,
coin_contribution);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign_ (&coin_priv->eddsa_priv,
&rod.purpose,
&coin_sig->eddsa_signature));
}
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_open_deposit_verify (
const struct TALER_Amount *coin_contribution,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig)
{
struct TALER_ReserveOpenDepositPS rod = {
.purpose.size = htonl (sizeof (rod)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_OPEN_DEPOSIT),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp),
.reserve_pub = *reserve_pub
};
TALER_amount_hton (&rod.coin_contribution,
coin_contribution);
return GNUNET_CRYPTO_eddsa_verify_ (
TALER_SIGNATURE_WALLET_RESERVE_OPEN_DEPOSIT,
&rod.purpose,
&coin_sig->eddsa_signature,
&coin_pub->eddsa_pub);
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by
*/
struct TALER_ReserveClosePS
{
/**
* Purpose is #TALER_SIGNATURE_WALLET_RESERVE_CLOSE
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* When was the request created.
*/
struct GNUNET_TIME_TimestampNBO request_timestamp;
/**
* Hash of the payto://-URI of the target account
* for the closure, or all zeros for the reserve
* origina ccount.
*/
struct TALER_PaytoHashP target_account_h_payto;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_reserve_close_sign (
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig)
{
struct TALER_ReserveClosePS rcp = {
.purpose.size = htonl (sizeof (rcp)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_CLOSE),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp)
};
if (NULL != h_payto)
rcp.target_account_h_payto = *h_payto;
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign_ (&reserve_priv->eddsa_priv,
&rcp.purpose,
&reserve_sig->eddsa_signature));
}
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_close_verify (
struct GNUNET_TIME_Timestamp request_timestamp,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig)
{
struct TALER_ReserveClosePS rcp = {
.purpose.size = htonl (sizeof (rcp)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_CLOSE),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp)
};
if (NULL != h_payto)
rcp.target_account_h_payto = *h_payto;
return GNUNET_CRYPTO_eddsa_verify_ (TALER_SIGNATURE_WALLET_RESERVE_CLOSE,
&rcp.purpose,
&reserve_sig->eddsa_signature,
&reserve_pub->eddsa_pub);
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by
*/
struct TALER_ReserveAttestRequestPS
{
/**
* Purpose is #TALER_SIGNATURE_WALLET_ATTEST_REQUEST
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* When was the request created.
*/
struct GNUNET_TIME_TimestampNBO request_timestamp;
/**
* Hash over the JSON array of requested attributes.
*/
struct GNUNET_HashCode h_details;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_reserve_attest_request_sign (
struct GNUNET_TIME_Timestamp request_timestamp,
const json_t *details,
const struct TALER_ReservePrivateKeyP *reserve_priv,
struct TALER_ReserveSignatureP *reserve_sig)
{
struct TALER_ReserveAttestRequestPS rcp = {
.purpose.size = htonl (sizeof (rcp)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_ATTEST_DETAILS),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp)
};
TALER_json_hash (details,
&rcp.h_details);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign_ (&reserve_priv->eddsa_priv,
&rcp.purpose,
&reserve_sig->eddsa_signature));
}
enum GNUNET_GenericReturnValue
TALER_wallet_reserve_attest_request_verify (
struct GNUNET_TIME_Timestamp request_timestamp,
const json_t *details,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_ReserveSignatureP *reserve_sig)
{
struct TALER_ReserveAttestRequestPS rcp = {
.purpose.size = htonl (sizeof (rcp)),
.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_ATTEST_DETAILS),
.request_timestamp = GNUNET_TIME_timestamp_hton (request_timestamp)
};
TALER_json_hash (details,
&rcp.h_details);
return GNUNET_CRYPTO_eddsa_verify_ (
TALER_SIGNATURE_WALLET_RESERVE_ATTEST_DETAILS,
&rcp.purpose,
&reserve_sig->eddsa_signature,
&reserve_pub->eddsa_pub);
}
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message signed by purse to associate an encrypted contract.
*/
@ -1253,6 +1581,7 @@ struct TALER_PurseContractPS
struct TALER_ContractDiffiePublicP contract_pub;
};
GNUNET_NETWORK_STRUCT_END
void
TALER_wallet_econtract_upload_sign (