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[taler-donau] 01/02: [donau] batch blind signing
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From: |
gnunet |
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Subject: |
[taler-donau] 01/02: [donau] batch blind signing |
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Date: |
Thu, 18 Apr 2024 00:25:28 +0200 |
This is an automated email from the git hooks/post-receive script.
lukas-matyja pushed a commit to branch master
in repository donau.
commit 064e297362fc9ae14b886aad99def74a0b4878b4
Author: Matyja Lukas Adam <lukas.matyja@students.bfh.ch>
AuthorDate: Thu Apr 18 00:18:12 2024 +0200
[donau] batch blind signing
---
src/donau/donau-httpd_batch-issue.c | 8 +-
src/donau/donau-httpd_keys.c | 277 ++++++++++-----------
src/donau/donau-httpd_keys.h | 10 +-
.../donau_do_save_issue_receipts_request.sql | 2 +-
src/testing/.test-suite.log.swp | Bin 0 -> 16384 bytes
5 files changed, 149 insertions(+), 148 deletions(-)
diff --git a/src/donau/donau-httpd_batch-issue.c
b/src/donau/donau-httpd_batch-issue.c
index bc2f21c..a240d81 100644
--- a/src/donau/donau-httpd_batch-issue.c
+++ b/src/donau/donau-httpd_batch-issue.c
@@ -345,12 +345,14 @@ start:
bkps_sign_data[i].h_donation_unit_pub = &bkps[i].h_donation_unit_pub;
bkps_sign_data[i].budi = &bkps[i].blinded_udi;
}
- if (TALER_EC_NONE != DH_keys_donation_unit_batch_sign (num_bkps,
+ enum TALER_ErrorCode batch_sign_ec;
+ batch_sign_ec = DH_keys_donation_unit_batch_sign (num_bkps,
bkps_sign_data,
- du_sigs))
+ du_sigs);
+ if (TALER_EC_NONE != batch_sign_ec)
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_FETCH_FAILED, //
TODO:other EC
+ batch_sign_ec, // TODO:other EC
NULL);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"made blind signatures!\n");
diff --git a/src/donau/donau-httpd_keys.c b/src/donau/donau-httpd_keys.c
index 2106f8d..bca8637 100644
--- a/src/donau/donau-httpd_keys.c
+++ b/src/donau/donau-httpd_keys.c
@@ -1289,147 +1289,146 @@ DH_keys_donau_sign_ (
enum TALER_ErrorCode
DH_keys_donation_unit_batch_sign (
- unsigned int budis_length,
- const struct DONAU_BkpSignData bkps[budis_length],
- struct DONAU_BlindedDonationUnitSignature du_sigs[budis_length])
+ unsigned int num_bkps,
+ const struct DONAU_BkpSignData bkps[num_bkps],
+ struct DONAU_BlindedDonationUnitSignature du_sigs[num_bkps])
{
+ struct DH_KeyStateHandle *ksh;
+ struct DH_DonationUnitKey *du;
+ struct TALER_CRYPTO_RsaSignRequest rsrs[num_bkps];
+ struct TALER_CRYPTO_CsSignRequest csrs[num_bkps];
+ struct TALER_BlindedDenominationSignature rs[num_bkps];
+ struct TALER_BlindedDenominationSignature cs[num_bkps];
+ unsigned int rsrs_pos = 0;
+ unsigned int csrs_pos = 0;
+ enum TALER_ErrorCode ec;
+
+ ksh = DH_keys_get_state ();
+ if (NULL == ksh)
+ // FIXME change error code
+ return TALER_EC_EXCHANGE_GENERIC_KEYS_MISSING;
+ for (unsigned int i = 0; i<num_bkps; i++)
+ {
+ const struct DONAU_DonationUnitHashP *h_du_pub =
bkps[i].h_donation_unit_pub;
+ const struct DONAU_BlindedUniqueDonorIdentifier *budi = bkps[i].budi;
+
+ du = GNUNET_CONTAINER_multihashmap_get (du_keys,
+ &h_du_pub->hash);
+ if (NULL == du)
+ // FIXME change error code
+ return TALER_EC_EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN;
+ if (budi->blinded_message->cipher !=
+ du->donation_unit_pub.bsign_pub_key->cipher)
+ return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
+ switch (du->donation_unit_pub.bsign_pub_key->cipher)
+ {
+ case GNUNET_CRYPTO_BSA_RSA:
+ /* See DONAU_donation_unit_pub_hash: we guarantee that these
+ hashes are equivalent! */
+ rsrs[rsrs_pos].h_rsa
+ = (const struct TALER_RsaPubHashP *) &du->h_donation_unit_pub;
+ rsrs[rsrs_pos].msg
+ = budi->blinded_message->details.rsa_blinded_message.blinded_msg;
+ rsrs[rsrs_pos].msg_size
+ = budi->blinded_message->details.rsa_blinded_message.blinded_msg_size;
+ rsrs_pos++;
+ break;
+ case GNUNET_CRYPTO_BSA_CS:
+ /* See DONAU_donation_unit_pub_hash: we guarantee that these
+ hashes are equivalent! */
+ csrs[csrs_pos].h_cs
+ = (const struct TALER_CsPubHashP *) &du->h_donation_unit_pub;
+ csrs[csrs_pos].blinded_planchet
+ = &budi->blinded_message->details.cs_blinded_message;
+ csrs_pos++;
+ break;
+ default:
+ return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
+ }
+ }
+
+ if ( (0 != csrs_pos) &&
+ (0 != rsrs_pos) )
+ {
+ memset (rs,
+ 0,
+ sizeof (rs));
+ memset (cs,
+ 0,
+ sizeof (cs));
+ }
+ ec = TALER_EC_NONE;
+ if (0 != csrs_pos)
+ {
+ ec = TALER_CRYPTO_helper_cs_batch_sign (
+ csdh,
+ csrs_pos,
+ csrs,
+ false, // for_melt
+ cs);
+ if (TALER_EC_NONE != ec)
+ {
+ for (unsigned int i = 0; i<csrs_pos; i++)
+ {
+ if (NULL != cs[i].blinded_sig)
+ {
+ GNUNET_CRYPTO_blinded_sig_decref (cs[i].blinded_sig);
+ cs[i].blinded_sig = NULL;
+ }
+ }
+ return ec;
+ }
+ // TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_CS] += csrs_pos;
+ }
+ if (0 != rsrs_pos)
+ {
+ ec = TALER_CRYPTO_helper_rsa_batch_sign (
+ rsadh,
+ rsrs_pos,
+ rsrs,
+ rs);
+ if (TALER_EC_NONE != ec)
+ {
+ for (unsigned int i = 0; i<csrs_pos; i++)
+ {
+ if (NULL != cs[i].blinded_sig)
+ {
+ GNUNET_CRYPTO_blinded_sig_decref (cs[i].blinded_sig);
+ cs[i].blinded_sig = NULL;
+ }
+ }
+ for (unsigned int i = 0; i<rsrs_pos; i++)
+ {
+ if (NULL != rs[i].blinded_sig)
+ {
+ GNUNET_CRYPTO_blinded_sig_decref (rs[i].blinded_sig);
+ rs[i].blinded_sig = NULL;
+ }
+ }
+ return ec;
+ }
+ // TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_RSA] += rsrs_pos;
+ }
+
+ rsrs_pos = 0;
+ csrs_pos = 0;
+ for (unsigned int i = 0; i<num_bkps; i++)
+ {
+ const struct DONAU_BlindedUniqueDonorIdentifier *budi = bkps[i].budi;
+
+ switch (budi->blinded_message->cipher)
+ {
+ case GNUNET_CRYPTO_BSA_RSA:
+ du_sigs[i].blinded_sig = rs[rsrs_pos++].blinded_sig;
+ break;
+ case GNUNET_CRYPTO_BSA_CS:
+ du_sigs[i].blinded_sig = cs[csrs_pos++].blinded_sig;
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ }
return TALER_EC_NONE;
- // struct DH_KeyStateHandle *ksh;
- // struct DH_DonationUnitKey *du;
- // struct TALER_CRYPTO_RsaSignRequest rsrs[csds_length];
- // struct TALER_CRYPTO_CsSignRequest csrs[csds_length];
- // struct TALER_BlindedDenominationSignature rs[csds_length];
- // struct TALER_BlindedDenominationSignature cs[csds_length];
- // unsigned int rsrs_pos = 0;
- // unsigned int csrs_pos = 0;
- // enum TALER_ErrorCode ec;
-
- // ksh = DH_keys_get_state ();
- // if (NULL == ksh)
- // // FIXME change error code
- // return TALER_EC_EXCHANGE_GENERIC_KEYS_MISSING;
- // for (unsigned int i = 0; i<csds_length; i++)
- // {
- // const struct DONAU_DonationUnitHashP *h_du_pub = csds[i].h_du_pub;
- // const struct DONAU_BlindedUniqueDonorIdentifier *budi = csds[i].budi;
-
- // du = GNUNET_CONTAINER_multihashmap_get (du_keys,
- // &h_du_pub->hash);
- // if (NULL == du)
- // // FIXME change error code
- // return TALER_EC_EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN;
- // if (budi->blinded_message->cipher !=
- // du->donation_unit_pub.bsign_pub_key->cipher)
- // return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
- // switch (du->donation_unit_pub.bsign_pub_key->cipher)
- // {
- // case GNUNET_CRYPTO_BSA_RSA:
- // /* See DONAU_donation_unit_pub_hash: we guarantee that these
- // hashes are equivalent! */
- // rsrs[rsrs_pos].h_rsa
- // = (const struct TALER_RsaPubHashP *) &du->h_donation_unit_pub;
- // rsrs[rsrs_pos].msg
- // = budi->blinded_message->details.rsa_blinded_message.blinded_msg;
- // rsrs[rsrs_pos].msg_size
- // =
budi->blinded_message->details.rsa_blinded_message.blinded_msg_size;
- // rsrs_pos++;
- // break;
- // case GNUNET_CRYPTO_BSA_CS:
- // /* See DONAU_donation_unit_pub_hash: we guarantee that these
- // hashes are equivalent! */
- // csrs[csrs_pos].h_cs
- // = (const struct TALER_CsPubHashP *) &du->h_donation_unit_pub;
- // csrs[csrs_pos].blinded_planchet
- // = &budi->blinded_message->details.cs_blinded_message;
- // csrs_pos++;
- // break;
- // default:
- // return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
- // }
- // }
-
- // if ( (0 != csrs_pos) &&
- // (0 != rsrs_pos) )
- // {
- // memset (rs,
- // 0,
- // sizeof (rs));
- // memset (cs,
- // 0,
- // sizeof (cs));
- // }
- // ec = TALER_EC_NONE;
- // if (0 != csrs_pos)
- // {
- // ec = TALER_CRYPTO_helper_cs_batch_sign (
- // csdh,
- // csrs_pos,
- // csrs,
- // false, // for_melt
- // cs);
- // if (TALER_EC_NONE != ec)
- // {
- // for (unsigned int i = 0; i<csrs_pos; i++)
- // {
- // if (NULL != cs[i].blinded_sig)
- // {
- // GNUNET_CRYPTO_blinded_sig_decref (cs[i].blinded_sig);
- // cs[i].blinded_sig = NULL;
- // }
- // }
- // return ec;
- // }
- // // TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_CS] += csrs_pos;
- // }
- // if (0 != rsrs_pos)
- // {
- // ec = TALER_CRYPTO_helper_rsa_batch_sign (
- // rsadh,
- // rsrs_pos,
- // rsrs,
- // rs);
- // if (TALER_EC_NONE != ec)
- // {
- // for (unsigned int i = 0; i<csrs_pos; i++)
- // {
- // if (NULL != cs[i].blinded_sig)
- // {
- // GNUNET_CRYPTO_blinded_sig_decref (cs[i].blinded_sig);
- // cs[i].blinded_sig = NULL;
- // }
- // }
- // for (unsigned int i = 0; i<rsrs_pos; i++)
- // {
- // if (NULL != rs[i].blinded_sig)
- // {
- // GNUNET_CRYPTO_blinded_sig_decref (rs[i].blinded_sig);
- // rs[i].blinded_sig = NULL;
- // }
- // }
- // return ec;
- // }
- // // TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_RSA] += rsrs_pos;
- // }
-
- // rsrs_pos = 0;
- // csrs_pos = 0;
- // for (unsigned int i = 0; i<csds_length; i++)
- // {
- // const struct DONAU_BlindedUniqueDonorIdentifier *budi = csds[i].budi;
-
- // switch (budi->blinded_message->cipher)
- // {
- // case GNUNET_CRYPTO_BSA_RSA:
- // bss[i].blinded_sig = rs[rsrs_pos++].blinded_sig;
- // break;
- // case GNUNET_CRYPTO_BSA_CS:
- // bss[i].blinded_sig = cs[csrs_pos++].blinded_sig;
- // break;
- // default:
- // GNUNET_assert (0);
- // }
- // }
- // return TALER_EC_NONE;
}
diff --git a/src/donau/donau-httpd_keys.h b/src/donau/donau-httpd_keys.h
index 6bf59ce..27d6109 100644
--- a/src/donau/donau-httpd_keys.h
+++ b/src/donau/donau-httpd_keys.h
@@ -179,16 +179,16 @@ DH_keys_finished (void);
/**
* Request to sign @a budis.
*
- * @param budis_length length of @a budis array
+ * @param num_bkps length of @a budis array
* @param bkps array with data to blindly sign (and keys to sign with)
- * @param[out] du_sigs array set to the blind signature on success; must be of
length @a budis_length
+ * @param[out] du_sigs array set to the blind signature on success; must be of
length @a num_bkps
* @return #TALER_EC_NONE on success
*/
enum TALER_ErrorCode
DH_keys_donation_unit_batch_sign (
- unsigned int budis_length,
- const struct DONAU_BkpSignData bkps[budis_length],
- struct DONAU_BlindedDonationUnitSignature du_sigs[budis_length]);
+ unsigned int num_bkps,
+ const struct DONAU_BkpSignData bkps[num_bkps],
+ struct DONAU_BlindedDonationUnitSignature du_sigs[num_bkps]);
#endif
diff --git a/src/donaudb/donau_do_save_issue_receipts_request.sql
b/src/donaudb/donau_do_save_issue_receipts_request.sql
index ea07da3..74fff7c 100644
--- a/src/donaudb/donau_do_save_issue_receipts_request.sql
+++ b/src/donaudb/donau_do_save_issue_receipts_request.sql
@@ -29,7 +29,7 @@ BEGIN
UPDATE charities SET receipts_to_date = in_new_total_amount;
-- Insert into the table receipts_issued
INSERT INTO receipts_issued (/*blinded_sig,*/ charity_id, receipt_hash,
amount)
-VALUES (/*in_blinded_sig,*/ in_charity_id, in_receipt_hash, in_amount)
RETURNING receipt_id INTO out_receipt_id;
+VALUES (/*in_blinded_sig,*/ in_charity_id, in_receipt_hash, in_amount);
--RETURNING receipt_id INTO out_receipt_id;
-- Get the receipts id
-- SELECT receipt_id INTO out_receipt_id SELECT WHERE
receipt_hash=in_receipts_hash FROM receipts_issued ;
-- Commit the transaction if everything is successful
diff --git a/src/testing/.test-suite.log.swp b/src/testing/.test-suite.log.swp
new file mode 100644
index 0000000..8c907f6
Binary files /dev/null and b/src/testing/.test-suite.log.swp differ
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