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| author | Christian Grothoff <christian@grothoff.org> | 2019-05-02 21:16:51 +0200 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2019-05-02 21:16:51 +0200 |
| commit | de9fdf860af9bdeadee4ed21a2c03dc34d58dd86 (patch) | |
| tree | 3d675e05534998a94087dc2d626566eceb0ade91 /src/exchange/taler-exchange-httpd_payback.c | |
| parent | d821ecc3bb23df1a326fcbdf4cb08841322db7aa (diff) | |
| download | exchange-de9fdf860af9bdeadee4ed21a2c03dc34d58dd86.tar.gz exchange-de9fdf860af9bdeadee4ed21a2c03dc34d58dd86.tar.bz2 exchange-de9fdf860af9bdeadee4ed21a2c03dc34d58dd86.zip | |
replace denom_pub with denom_pub_hash in exchange API to reduce bandwidth
Diffstat (limited to 'src/exchange/taler-exchange-httpd_payback.c')
| -rw-r--r-- | src/exchange/taler-exchange-httpd_payback.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/exchange/taler-exchange-httpd_payback.c b/src/exchange/taler-exchange-httpd_payback.c index 2164863ee..06181519f 100644 --- a/src/exchange/taler-exchange-httpd_payback.c +++ b/src/exchange/taler-exchange-httpd_payback.c @@ -326,9 +326,9 @@ verify_and_execute_payback (struct MHD_Connection *connection, TALER_EC_EXCHANGE_BAD_CONFIGURATION, "no keys"); } - dki = TEH_KS_denomination_key_lookup (key_state, - &coin->denom_pub, - TEH_KS_DKU_PAYBACK); + dki = TEH_KS_denomination_key_lookup_by_hash (key_state, + &coin->denom_pub_hash, + TEH_KS_DKU_PAYBACK); if (NULL == dki) { TEH_KS_release (key_state); @@ -342,7 +342,8 @@ verify_and_execute_payback (struct MHD_Connection *connection, /* check denomination signature */ if (GNUNET_YES != - TALER_test_coin_valid (coin)) + TALER_test_coin_valid (coin, + &dki->denom_pub)) { TALER_LOG_WARNING ("Invalid coin passed for /payback\n"); TEH_KS_release (key_state); @@ -358,8 +359,6 @@ verify_and_execute_payback (struct MHD_Connection *connection, pr.h_denom_pub = dki->issue.properties.denom_hash; pr.coin_blind = *coin_bks; - TEH_KS_release (key_state); - if (GNUNET_OK != GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_PAYBACK, &pr.purpose, @@ -367,6 +366,7 @@ verify_and_execute_payback (struct MHD_Connection *connection, &coin->coin_pub.eddsa_pub)) { TALER_LOG_WARNING ("Invalid signature on /payback request\n"); + TEH_KS_release (key_state); return TEH_RESPONSE_reply_signature_invalid (connection, TALER_EC_PAYBACK_SIGNATURE_INVALID, "coin_sig"); @@ -378,15 +378,18 @@ verify_and_execute_payback (struct MHD_Connection *connection, if (GNUNET_YES != GNUNET_CRYPTO_rsa_blind (&c_hash, &coin_bks->bks, - coin->denom_pub.rsa_public_key, + dki->denom_pub.rsa_public_key, &coin_ev, &coin_ev_size)) { GNUNET_break (0); + TEH_KS_release (key_state); + return TEH_RESPONSE_reply_internal_error (connection, TALER_EC_PAYBACK_BLINDING_FAILED, "coin_bks"); } + TEH_KS_release (key_state); GNUNET_CRYPTO_hash (coin_ev, coin_ev_size, &pc.h_blind); @@ -454,8 +457,8 @@ TEH_PAYBACK_handler_payback (struct TEH_RequestHandler *rh, struct TALER_DenominationBlindingKeyP coin_bks; struct TALER_CoinSpendSignatureP coin_sig; struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_denomination_public_key ("denom_pub", - &coin.denom_pub), + GNUNET_JSON_spec_fixed_auto ("denom_pub_hash", + &coin.denom_pub_hash), TALER_JSON_spec_denomination_signature ("denom_sig", &coin.denom_sig), GNUNET_JSON_spec_fixed_auto ("coin_pub", |