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| author | Christian Grothoff <christian@grothoff.org> | 2017-03-29 16:42:38 +0200 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2017-03-29 16:42:38 +0200 |
| commit | 21d26132877990d7beac118b33e336aaed395234 (patch) | |
| tree | d970f8115b00b5125ffc4aef89c0a2dd721c0ee8 /src/exchange/taler-exchange-httpd_payback.c | |
| parent | 5aebc70da6524d3b27ad4f93a66ba70dbe64fab1 (diff) | |
| download | exchange-21d26132877990d7beac118b33e336aaed395234.tar.gz exchange-21d26132877990d7beac118b33e336aaed395234.tar.bz2 exchange-21d26132877990d7beac118b33e336aaed395234.zip | |
first sketch at db module implementation for #3887
Diffstat (limited to 'src/exchange/taler-exchange-httpd_payback.c')
| -rw-r--r-- | src/exchange/taler-exchange-httpd_payback.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/exchange/taler-exchange-httpd_payback.c b/src/exchange/taler-exchange-httpd_payback.c index 2b33112d3..31235729e 100644 --- a/src/exchange/taler-exchange-httpd_payback.c +++ b/src/exchange/taler-exchange-httpd_payback.c @@ -56,7 +56,11 @@ verify_and_execute_payback (struct MHD_Connection *connection, struct TEH_KS_StateHandle *key_state; const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki; struct TALER_PaybackRequestPS pr; - + struct TALER_Amount value; + struct GNUNET_HashCode h_blind; + struct GNUNET_HashCode c_hash; + char *coin_ev; + size_t coin_ev_size; /* check denomination exists and is in payback mode */ key_state = TEH_KS_acquire (); @@ -71,6 +75,8 @@ verify_and_execute_payback (struct MHD_Connection *connection, TALER_EC_PAYBACK_DENOMINATION_KEY_UNKNOWN, "denom_pub"); } + TALER_amount_ntoh (&value, + &dki->issue.properties.value); /* check denomination signature */ if (GNUNET_YES != @@ -104,9 +110,30 @@ verify_and_execute_payback (struct MHD_Connection *connection, "coin_sig"); } + GNUNET_CRYPTO_hash (&coin->coin_pub.eddsa_pub, + sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey), + &c_hash); + if (GNUNET_YES != + GNUNET_CRYPTO_rsa_blind (&c_hash, + &coin_bks->bks, + coin->denom_pub.rsa_public_key, + &coin_ev, + &coin_ev_size)) + { + GNUNET_break (0); + return TEH_RESPONSE_reply_internal_error (connection, + TALER_EC_PAYBACK_BLINDING_FAILED, + "coin_bks"); + } + GNUNET_CRYPTO_hash (coin_ev, + coin_ev_size, + &h_blind); + GNUNET_free (coin_ev); + return TEH_DB_execute_payback (connection, coin, - coin_bks, + &value, + &h_blind, coin_sig); } |