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| author | Christian Grothoff <christian@grothoff.org> | 2021-12-25 15:39:01 +0100 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2021-12-25 15:39:01 +0100 |
| commit | f6ecb6c895879ee4b5db3061593feaad3456d1c8 (patch) | |
| tree | 81be844db2e275015592ca70994e90be013c9c87 /src/exchange/taler-exchange-httpd_refreshes_reveal.c | |
| parent | 84c9adf5a6a243bd583f2144176f80708fa6a884 (diff) | |
| download | exchange-f6ecb6c895879ee4b5db3061593feaad3456d1c8.tar.gz exchange-f6ecb6c895879ee4b5db3061593feaad3456d1c8.tar.bz2 exchange-f6ecb6c895879ee4b5db3061593feaad3456d1c8.zip | |
-eliminate redundant hash operation on link signatures
Diffstat (limited to 'src/exchange/taler-exchange-httpd_refreshes_reveal.c')
| -rw-r--r-- | src/exchange/taler-exchange-httpd_refreshes_reveal.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/exchange/taler-exchange-httpd_refreshes_reveal.c b/src/exchange/taler-exchange-httpd_refreshes_reveal.c index 1cd28048b..551e84108 100644 --- a/src/exchange/taler-exchange-httpd_refreshes_reveal.c +++ b/src/exchange/taler-exchange-httpd_refreshes_reveal.c @@ -297,11 +297,14 @@ resolve_refreshes_reveal_denominations (struct MHD_Connection *connection, { unsigned int num_fresh_coins = json_array_size (new_denoms_h_json); /* We know num_fresh_coins is bounded by #MAX_FRESH_COINS, so this is safe */ + // FIXME: messy to have so many arrays -- and then + // later we copy them around! Avoidable!?! const struct TEH_DenominationKey *dks[num_fresh_coins]; struct TALER_DenominationHash dk_h[num_fresh_coins]; struct TALER_RefreshCoinData rcds[num_fresh_coins]; struct TALER_CoinSpendSignatureP link_sigs[num_fresh_coins]; struct TALER_BlindedDenominationSignature ev_sigs[num_fresh_coins]; + struct TALER_BlindedCoinHash h_blind_ev[num_fresh_coins]; MHD_RESULT ret; struct TEH_KeyStateHandle *ksh; uint64_t melt_serial_id; @@ -398,6 +401,9 @@ resolve_refreshes_reveal_denominations (struct MHD_Connection *connection, GNUNET_free (rcds[j].coin_ev); return (GNUNET_NO == res) ? MHD_YES : MHD_NO; } + GNUNET_CRYPTO_hash (rcd->coin_ev, + rcd->coin_ev_size, + &h_blind_ev[i].hash); rcd->dk = &dks[i]->denom_pub; } @@ -468,8 +474,7 @@ resolve_refreshes_reveal_denominations (struct MHD_Connection *connection, TALER_wallet_link_verify ( &dk_h[i], &rctx->gamma_tp, - rcds[i].coin_ev, - rcds[i].coin_ev_size, + &h_blind_ev[i], &rctx->melt.session.coin.coin_pub, &link_sigs[i])) { @@ -529,6 +534,7 @@ resolve_refreshes_reveal_denominations (struct MHD_Connection *connection, rrc->coin_ev = rcds[i].coin_ev; rrc->coin_ev_size = rcds[i].coin_ev_size; rrc->coin_sig = ev_sigs[i]; + rrc->coin_envelope_hash = h_blind_ev[i]; } qs = TEH_plugin->insert_refresh_reveal (TEH_plugin->cls, melt_serial_id, |