diff options
Diffstat (limited to 'src/mint-tools/taler-auditor-sign.c')
| -rw-r--r-- | src/mint-tools/taler-auditor-sign.c | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/src/mint-tools/taler-auditor-sign.c b/src/mint-tools/taler-auditor-sign.c deleted file mode 100644 index 7e6d3b12a..000000000 --- a/src/mint-tools/taler-auditor-sign.c +++ /dev/null @@ -1,321 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> -*/ -/** - * @file taler-auditor-sign.c - * @brief Tool used by the auditor to sign the mint's master key and the - * denomination key(s). - * @author Christian Grothoff - */ -#include <platform.h> -#include "taler_mintdb_lib.h" - - -/** - * Are we running in verbose mode? - */ -static int verbose; - -/** - * Filename of the auditor's private key. - */ -static char *auditor_key_file; - -/** - * Mint's public key (in Crockford base32 encoding). - */ -static char *mint_public_key; - -/** - * File with the Mint's denomination keys to sign, itself - * signed by the Mint's public key. - */ -static char *mint_request_file; - -/** - * Where should we write the auditor's signature? - */ -static char *output_file; - -/** - * Master public key of the mint. - */ -static struct TALER_MasterPublicKeyP master_public_key; - - -/** - * Print denomination key details for diagnostics. - * - * @param dk denomination key to print - */ -static void -print_dk (const struct TALER_DenominationKeyValidityPS *dk) -{ - struct TALER_Amount a; - char *s; - - fprintf (stdout, - "Denomination key hash: %s\n", - GNUNET_h2s_full (&dk->denom_hash)); - TALER_amount_ntoh (&a, - &dk->value); - fprintf (stdout, - "Value: %s\n", - s = TALER_amount_to_string (&a)); - GNUNET_free (s); - TALER_amount_ntoh (&a, - &dk->fee_withdraw); - fprintf (stdout, - "Withdraw fee: %s\n", - s = TALER_amount_to_string (&a)); - GNUNET_free (s); - TALER_amount_ntoh (&a, - &dk->fee_deposit); - fprintf (stdout, - "Deposit fee: %s\n", - s = TALER_amount_to_string (&a)); - GNUNET_free (s); - TALER_amount_ntoh (&a, - &dk->fee_refresh); - fprintf (stdout, - "Refresh fee: %s\n", - s = TALER_amount_to_string (&a)); - GNUNET_free (s); - - fprintf (stdout, - "Validity start time: %s\n", - GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (dk->start))); - fprintf (stdout, - "Withdraw end time: %s\n", - GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (dk->expire_withdraw))); - fprintf (stdout, - "Deposit end time: %s\n", - GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (dk->expire_spend))); - fprintf (stdout, - "Legal dispute end time: %s\n", - GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (dk->expire_legal))); - - fprintf (stdout, - "\n"); -} - - -/** - * The main function of the taler-auditor-sign tool. This tool is used - * to sign a mint's master and denomination keys, affirming that the - * auditor is aware of them and will validate the mint's database with - * respect to these keys. - * - * @param argc number of arguments from the command line - * @param argv command line arguments - * @return 0 ok, 1 on error - */ -int -main (int argc, - char *const *argv) -{ - static const struct GNUNET_GETOPT_CommandLineOption options[] = { - {'a', "auditor-key", "FILE", - "file containing the private key of the auditor", 1, - &GNUNET_GETOPT_set_filename, &auditor_key_file}, - TALER_GETOPT_OPTION_HELP ("Private key of the auditor to use for signing"), - {'m', "mint-key", "KEY", - "public key of the mint (Crockford base32 encoded)", 1, - &GNUNET_GETOPT_set_filename, &mint_public_key}, - {'r', "mint-request", "FILE", - "set of keys the mint requested the auditor to sign", 1, - &GNUNET_GETOPT_set_string, &mint_request_file}, - {'o', "output", "FILE", - "where to write our signature", 1, - &GNUNET_GETOPT_set_string, &output_file}, - GNUNET_GETOPT_OPTION_VERSION (VERSION "-" VCS_VERSION), - GNUNET_GETOPT_OPTION_VERBOSE (&verbose), - GNUNET_GETOPT_OPTION_END - }; - struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_priv; - struct TALER_AuditorSignatureP *sigs; - struct TALER_AuditorPublicKeyP apub; - struct GNUNET_DISK_FileHandle *fh; - struct TALER_DenominationKeyValidityPS *dks; - unsigned int dks_len; - struct TALER_MintKeyValidityPS kv; - off_t in_size; - unsigned int i; - - GNUNET_assert (GNUNET_OK == - GNUNET_log_setup ("taler-mint-keyup", - "WARNING", - NULL)); - if (GNUNET_GETOPT_run ("taler-mint-keyup", - options, - argc, argv) < 0) - return 1; - if (NULL == auditor_key_file) - { - fprintf (stderr, - "Auditor key file not given\n"); - return 1; - } - eddsa_priv = GNUNET_CRYPTO_eddsa_key_create_from_file (auditor_key_file); - if (NULL == eddsa_priv) - { - fprintf (stderr, - "Failed to initialize auditor key from file `%s'\n", - auditor_key_file); - return 1; - } - GNUNET_CRYPTO_eddsa_key_get_public (eddsa_priv, - &apub.eddsa_pub); - if (NULL == mint_public_key) - { - fprintf (stderr, - "Mint public key not given\n"); - GNUNET_free (eddsa_priv); - return 1; - } - if (GNUNET_OK != - GNUNET_STRINGS_string_to_data (mint_public_key, - strlen (mint_public_key), - &master_public_key, - sizeof (master_public_key))) - { - fprintf (stderr, - "Public key `%s' malformed\n", - mint_public_key); - GNUNET_free (eddsa_priv); - return 1; - } - if (NULL == mint_request_file) - { - fprintf (stderr, - "Mint signing request not given\n"); - GNUNET_free (eddsa_priv); - return 1; - } - fh = GNUNET_DISK_file_open (mint_request_file, - GNUNET_DISK_OPEN_READ, - GNUNET_DISK_PERM_NONE); - if (NULL == fh) - { - fprintf (stderr, - "Failed to open file `%s': %s\n", - mint_request_file, - STRERROR (errno)); - GNUNET_free (eddsa_priv); - return 1; - } - if (GNUNET_OK != - GNUNET_DISK_file_handle_size (fh, - &in_size)) - { - fprintf (stderr, - "Failed to obtain input file size `%s': %s\n", - mint_request_file, - STRERROR (errno)); - GNUNET_DISK_file_close (fh); - GNUNET_free (eddsa_priv); - return 1; - } - if (0 != (in_size % sizeof (struct TALER_DenominationKeyValidityPS))) - { - fprintf (stderr, - "Input file size of file `%s' is invalid\n", - mint_request_file); - GNUNET_DISK_file_close (fh); - GNUNET_free (eddsa_priv); - return 1; - } - dks_len = in_size / sizeof (struct TALER_DenominationKeyValidityPS); - kv.purpose.purpose = htonl (TALER_SIGNATURE_AUDITOR_MINT_KEYS); - kv.purpose.size = htonl (sizeof (struct TALER_MintKeyValidityPS)); - kv.master = master_public_key; - dks = GNUNET_new_array (dks_len, - struct TALER_DenominationKeyValidityPS); - sigs = GNUNET_new_array (dks_len, - struct TALER_AuditorSignatureP); - if (in_size != - GNUNET_DISK_file_read (fh, - dks, - in_size)) - { - fprintf (stderr, - "Failed to read input file `%s': %s\n", - mint_request_file, - STRERROR (errno)); - GNUNET_DISK_file_close (fh); - GNUNET_free (sigs); - GNUNET_free (dks); - GNUNET_free (eddsa_priv); - return 1; - } - GNUNET_DISK_file_close (fh); - for (i=0;i<dks_len;i++) - { - struct TALER_DenominationKeyValidityPS *dk = &dks[i]; - - if (verbose) - print_dk (dk); - kv.start = dk->start; - kv.expire_withdraw = dk->expire_withdraw; - kv.expire_spend = dk->expire_spend; - kv.expire_legal = dk->expire_legal; - kv.value = dk->value; - kv.fee_withdraw = dk->fee_withdraw; - kv.fee_deposit = dk->fee_deposit; - kv.fee_refresh = dk->fee_refresh; - kv.denom_hash = dk->denom_hash; - - /* Finally sign ... */ - GNUNET_CRYPTO_eddsa_sign (eddsa_priv, - &kv.purpose, - &sigs[i].eddsa_sig); - - - } - - if (NULL == output_file) - { - fprintf (stderr, - "Output file not given\n"); - GNUNET_free (dks); - GNUNET_free (sigs); - GNUNET_free (eddsa_priv); - return 1; - } - - /* write result to disk */ - if (GNUNET_OK != - TALER_MINTDB_auditor_write (output_file, - &apub, - sigs, - &master_public_key, - dks_len, - dks)) - { - fprintf (stderr, - "Failed to write to file `%s': %s\n", - output_file, - STRERROR (errno)); - GNUNET_free (sigs); - GNUNET_free (dks); - return 1; - } - GNUNET_free (sigs); - GNUNET_free (dks); - GNUNET_free (eddsa_priv); - return 0; -} - -/* end of taler-auditor-sign.c */ |