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-get melt and refresh-reveal to pass again

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This commit is contained in:
Christian Grothoff 2022-02-08 00:12:56 +01:00
parent 17a30cbd70
commit 7eb989b2df
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
6 changed files with 66 additions and 25 deletions
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2
src/exchange/taler-exchange-httpd_refreshes_reveal.c
View File

@ -381,7 +381,7 @@ resolve_refreshes_reveal_denominations (struct MHD_Connection *connection,
{
struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrc = &rrcs[i];
struct GNUNET_JSON_Specification spec[] = {
TALER_JSON_spec_blinded_planchet (NULL,
TALER_JSON_spec_blinded_planchet ("bp",
&rrc->blinded_planchet),
GNUNET_JSON_spec_end ()
};

16
src/include/taler_crypto_lib.h
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@ -1497,6 +1497,22 @@ TALER_transfer_secret_to_planchet_secret (
struct TALER_PlanchetSecretsP *ps);
/**
* Derive the @a coin_num transfer private key @a tpriv from a refresh from
* the @a ps seed of the refresh operation. The transfer private key
* derivation is based on the @a ps with a KDF salted by the @a coin_num.
*
* @param ps seed to use for KDF to derive transfer keys
* @param cnc_num cut and choose number to include in KDF
* @param[out] tpriv value to initialize
*/
void
TALER_planchet_secret_to_transfer_priv (
const struct TALER_PlanchetSecretsP *ps,
uint32_t cnc_num,
struct TALER_TransferPrivateKeyP *tpriv);
/**
* Setup information for fresh coins to be withdrawn
* or refreshed.

7
src/lib/exchange_api_refresh_common.c
View File

@ -114,9 +114,10 @@ TALER_EXCHANGE_get_melt_data_ (
/* build up coins */
for (unsigned int i = 0; i<TALER_CNC_KAPPA; i++)
{
// FIXME: derive!
GNUNET_CRYPTO_ecdhe_key_create (
&md->melted_coin.transfer_priv[i].ecdhe_priv);
TALER_planchet_secret_to_transfer_priv (
ps,
i,
&md->melted_coin.transfer_priv[i]);
GNUNET_CRYPTO_ecdhe_key_get_public (
&md->melted_coin.transfer_priv[i].ecdhe_priv,
&rce[i].transfer_pub.ecdhe_pub);

17
src/lib/exchange_api_refreshes_reveal.c
View File

@ -408,15 +408,14 @@ TALER_EXCHANGE_refreshes_reveal (
TALER_EXCHANGE_free_melt_data_ (&md);
return NULL;
}
GNUNET_assert (0 ==
json_array_append_new (coin_evs,
GNUNET_JSON_from_data (
pd.blinded_planchet.details.
rsa_blinded_planchet.blinded_msg,
pd.
blinded_planchet.details.
rsa_blinded_planchet.
blinded_msg_size)));
GNUNET_assert (
0 ==
json_array_append_new (
coin_evs,
GNUNET_JSON_PACK (
TALER_JSON_pack_blinded_planchet (
NULL,
&pd.blinded_planchet))));
{
struct TALER_CoinSpendSignatureP link_sig;

26
src/testing/testing_api_cmd_refresh.c
View File

@ -172,7 +172,7 @@ struct RefreshMeltState
* exchange to pick any previous /rerfesh/melt operation from
* the database.
*/
unsigned int double_melt;
bool double_melt;
/**
* How often should we retry on (transient) failures?
@ -979,7 +979,7 @@ melt_cb (void *cls,
GNUNET_STRINGS_relative_time_to_string (rms->total_backoff,
GNUNET_YES));
}
if (GNUNET_YES == rms->double_melt)
if (rms->double_melt)
{
TALER_LOG_DEBUG ("Doubling the melt (%s)\n",
rms->is->commands[rms->is->ip].label);
@ -988,7 +988,7 @@ melt_cb (void *cls,
&rms->refresh_data,
&melt_cb,
rms);
rms->double_melt = GNUNET_NO;
rms->double_melt = false;
return;
}
TALER_TESTING_interpreter_next (rms->is);
@ -1026,8 +1026,8 @@ melt_run (void *cls,
num_fresh_coins++)
;
rms->num_fresh_coins = num_fresh_coins;
rms->fresh_pks = GNUNET_new_array
(num_fresh_coins,
rms->fresh_pks = GNUNET_new_array (
num_fresh_coins,
struct TALER_EXCHANGE_DenomPublicKey);
{
struct TALER_Amount melt_amount;
@ -1088,7 +1088,8 @@ melt_run (void *cls,
GNUNET_break (0);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to parse amount `%s' at index %u\n",
melt_fresh_amounts[i], i);
melt_fresh_amounts[i],
i);
TALER_TESTING_interpreter_fail (rms->is);
return;
}
@ -1154,7 +1155,8 @@ melt_cleanup (void *cls,
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Command %u (%s) did not complete\n",
rms->is->ip, rms->is->commands[rms->is->ip].label);
rms->is->ip,
rms->is->commands[rms->is->ip].label);
TALER_EXCHANGE_melt_cancel (rms->rmh);
rms->rmh = NULL;
}
@ -1167,8 +1169,8 @@ melt_cleanup (void *cls,
{
for (unsigned int i = 0; i < rms->num_fresh_coins; i++)
TALER_denom_pub_free (&rms->fresh_pks[i].key);
}
GNUNET_free (rms->fresh_pks);
}
GNUNET_free (rms->alg_values);
GNUNET_free (rms->melt_fresh_amounts);
GNUNET_free (rms);
@ -1276,7 +1278,8 @@ TALER_TESTING_cmd_melt (const char *label,
rms = GNUNET_new (struct RefreshMeltState);
rms->coin_reference = coin_reference;
rms->expected_response_code = expected_response_code;
va_start (ap, expected_response_code);
va_start (ap,
expected_response_code);
GNUNET_assert (GNUNET_OK ==
parse_amounts (rms, ap));
va_end (ap);
@ -1306,8 +1309,9 @@ TALER_TESTING_cmd_melt_double (const char *label,
rms = GNUNET_new (struct RefreshMeltState);
rms->coin_reference = coin_reference;
rms->expected_response_code = expected_response_code;
rms->double_melt = GNUNET_YES;
va_start (ap, expected_response_code);
rms->double_melt = true;
va_start (ap,
expected_response_code);
GNUNET_assert (GNUNET_OK ==
parse_amounts (rms, ap));
va_end (ap);

21
src/util/crypto.c
View File

@ -176,6 +176,27 @@ TALER_transfer_secret_to_planchet_secret (
}
void
TALER_planchet_secret_to_transfer_priv (
const struct TALER_PlanchetSecretsP *ps,
uint32_t cnc_num,
struct TALER_TransferPrivateKeyP *tpriv)
{
uint32_t be_salt = htonl (cnc_num);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_kdf (tpriv,
sizeof (*tpriv),
&be_salt,
sizeof (be_salt),
ps,
sizeof (*ps),
"taler-transfer-priv-derivation",
strlen ("taler-transfer-priv-derivation"),
NULL, 0));
}
void
TALER_cs_withdraw_nonce_derive (
const struct TALER_PlanchetSecretsP *ps,