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Diffstat (limited to 'src/util/taler-crypto-worker.c')
-rw-r--r-- | src/util/taler-crypto-worker.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/src/util/taler-crypto-worker.c b/src/util/taler-crypto-worker.c deleted file mode 100644 index 9c49ea374..000000000 --- a/src/util/taler-crypto-worker.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2021 Taler Systems SA - - 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, see <http://www.gnu.org/licenses/> -*/ -/** - * @file util/taler-crypto-worker.c - * @brief Standalone process to perform various cryptographic operations. - * @author Florian Dold - */ -#include "platform.h" -#include "taler_util.h" -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_crypto_lib.h> -#include "taler_error_codes.h" -#include "taler_json_lib.h" -#include "taler_signatures.h" -#include "secmod_common.h" - - -/** - * Return value from main(). - */ -static int global_ret; - - -/** - * Main function that will be run under the GNUnet scheduler. - * - * @param cls closure - * @param args remaining command-line arguments - * @param cfgfile name of the configuration file used (for saving, can be NULL!) - * @param cfg configuration - */ -static void -run (void *cls, - char *const *args, - const char *cfgfile, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - (void) cls; - (void) args; - (void) cfgfile; - - json_t *req; - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "started crypto worker\n"); - - for (;;) - { - const char *op; - const json_t *args; - req = json_loadf (stdin, JSON_DISABLE_EOF_CHECK, NULL); - if (NULL == req) - { - if (feof (stdin)) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "end of input\n"); - global_ret = 0; - return; - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "invalid JSON\n"); - global_ret = 1; - return; - } - op = json_string_value (json_object_get (req, - "op")); - if (! op) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "no op specified\n"); - global_ret = 1; - return; - } - args = json_object_get (req, "args"); - if (! args) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "no args specified\n"); - global_ret = 1; - return; - } - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "got request\n"); - if (0 == strcmp ("eddsa_verify", - op)) - { - struct GNUNET_CRYPTO_EddsaPublicKey pub; - struct GNUNET_CRYPTO_EddsaSignature sig; - struct GNUNET_CRYPTO_EccSignaturePurpose *msg; - size_t msg_size; - enum GNUNET_GenericReturnValue verify_ret; - json_t *resp; - struct GNUNET_JSON_Specification eddsa_verify_spec[] = { - GNUNET_JSON_spec_fixed_auto ("pub", - &pub), - GNUNET_JSON_spec_fixed_auto ("sig", - &sig), - GNUNET_JSON_spec_varsize ("msg", - (void **) &msg, - &msg_size), - GNUNET_JSON_spec_end () - }; - if (GNUNET_OK != GNUNET_JSON_parse (args, - eddsa_verify_spec, - NULL, - NULL)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "malformed op args\n"); - global_ret = 1; - return; - } - verify_ret = GNUNET_CRYPTO_eddsa_verify_ ( - ntohl (msg->purpose), - msg, - &sig, - &pub); - resp = GNUNET_JSON_PACK ( - GNUNET_JSON_pack_bool ("valid", - GNUNET_OK == verify_ret)); - json_dumpf (resp, stdout, JSON_COMPACT); - printf ("\n"); - fflush (stdout); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "sent response\n"); - continue; - } - if (0 == strcmp ("setup_refresh_planchet", op)) - { - struct TALER_DenominationPublicKey denom_pub; - struct TALER_Amount fee_withdraw; - struct TALER_Amount value; - struct TALER_ReservePublicKeyP reserve_pub; - struct TALER_ReservePublicKeyP reserve_priv; - uint32_t coin_index; - json_t *resp; - struct GNUNET_JSON_Specification eddsa_verify_spec[] = { - TALER_JSON_spec_denom_pub ("denom_pub", - &denom_pub), - TALER_JSON_spec_amount_any ("fee_withdraw", - &fee_withdraw), - TALER_JSON_spec_amount_any ("value", - &value), - GNUNET_JSON_spec_fixed_auto ("reserve_pub", - &reserve_pub), - GNUNET_JSON_spec_fixed_auto ("reserve_priv", - &reserve_priv), - GNUNET_JSON_spec_uint32 ("coin_index", - &coin_index), - GNUNET_JSON_spec_end () - }; - struct TALER_CoinSpendPublicKeyP coin_pub; - struct TALER_PlanchetSecretsP ps; - - if (GNUNET_OK != - GNUNET_JSON_parse (args, - eddsa_verify_spec, - NULL, - NULL)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "malformed op args\n"); - global_ret = 1; - return; - } -#if FIXME_FLORIAN - TALER_planchet_setup_refresh (&transfer_secret, - coin_num_salt, - &ps); -#endif - GNUNET_CRYPTO_eddsa_key_get_public (&ps.coin_priv.eddsa_priv, - &coin_pub.eddsa_pub); - - resp = GNUNET_JSON_PACK ( - GNUNET_JSON_pack_data_auto ("coin_priv", &ps.coin_priv), - GNUNET_JSON_pack_data_auto ("coin_pub", &coin_pub), - GNUNET_JSON_pack_data_auto ("blinding_key", &ps.blinding_key) - ); - json_dumpf (resp, stdout, JSON_COMPACT); - printf ("\n"); - fflush (stdout); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "sent response\n"); - continue; - } - if (0 == strcmp (op, "create_planchet")) - { - struct TALER_TransferSecretP transfer_secret; - uint32_t coin_num_salt; - struct TALER_PlanchetSecretsP ps; - struct TALER_CoinSpendPublicKeyP coin_pub; - json_t *resp; - struct GNUNET_JSON_Specification eddsa_verify_spec[] = { - GNUNET_JSON_spec_fixed_auto ("transfer_secret", - &transfer_secret), - GNUNET_JSON_spec_uint32 ("coin_index", - &coin_num_salt), - GNUNET_JSON_spec_end () - }; - if (GNUNET_OK != GNUNET_JSON_parse (args, - eddsa_verify_spec, - NULL, - NULL)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "malformed op args\n"); - global_ret = 1; - return; - } - TALER_planchet_setup_refresh (&transfer_secret, - coin_num_salt, &ps); - GNUNET_CRYPTO_eddsa_key_get_public (&ps.coin_priv.eddsa_priv, - &coin_pub.eddsa_pub); - - resp = GNUNET_JSON_PACK ( - GNUNET_JSON_pack_data_auto ("coin_priv", &ps.coin_priv), - GNUNET_JSON_pack_data_auto ("coin_pub", &coin_pub), - GNUNET_JSON_pack_data_auto ("blinding_key", &ps.blinding_key) - ); - json_dumpf (resp, stdout, JSON_COMPACT); - printf ("\n"); - fflush (stdout); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "sent response\n"); - continue; - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "unsupported operation '%s'\n", - op); - global_ret = 1; - return; - } - -} - - -/** - * The entry point. - * - * @param argc number of arguments in @a argv - * @param argv command-line arguments - * @return 0 on normal termination - */ -int -main (int argc, - char **argv) -{ - struct GNUNET_GETOPT_CommandLineOption options[] = { - GNUNET_GETOPT_OPTION_END - }; - int ret; - - /* force linker to link against libtalerutil; if we do - not do this, the linker may "optimize" libtalerutil - away and skip #TALER_OS_init(), which we do need */ - TALER_OS_init (); - ret = GNUNET_PROGRAM_run (argc, argv, - "taler-crypto-worker", - "Execute cryptographic operations read from stdin", - options, - &run, - NULL); - if (GNUNET_NO == ret) - return 0; - if (GNUNET_SYSERR == ret) - return 1; - return global_ret; -} |