This file is part of GNUnet.
Copyright (C) 2014 GNUnet e.V.
- GNUnet 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.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
/**
* @file util/gnunet-scrypt.c
* @brief tool to manipulate SCRYPT proofs of work.
static void
shutdown_task (void *cls)
{
- if (sizeof (proof) !=
- GNUNET_DISK_fn_write (pwfn,
- &proof,
- sizeof (proof),
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
- "write",
- pwfn);
-}
-
-
-/**
- * Calculate the 'proof-of-work' hash (an expensive hash).
- *
- * @param buf data to hash
- * @param buf_len number of bytes in @a buf
- * @param result where to write the resulting hash
- */
-static void
-pow_hash (const void *buf,
- size_t buf_len,
- struct GNUNET_HashCode *result)
-{
- GNUNET_break (0 ==
- gcry_kdf_derive (buf, buf_len,
- GCRY_KDF_SCRYPT,
- 1 /* subalgo */,
- "gnunet-proof-of-work", strlen ("gnunet-proof-of-work"),
- 2 /* iterations; keep cost of individual op small */,
- sizeof (struct GNUNET_HashCode), result));
+ (void) cls;
+ if (sizeof(proof) != GNUNET_DISK_fn_write (pwfn,
+ &proof,
+ sizeof(proof),
+ GNUNET_DISK_PERM_USER_READ
+ | GNUNET_DISK_PERM_USER_WRITE))
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", pwfn);
}
static void
find_proof (void *cls)
{
- #define ROUND_SIZE 10
+#define ROUND_SIZE 10
uint64_t counter;
- char buf[sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
- sizeof (uint64_t)] GNUNET_ALIGN;
+ char buf[sizeof(struct GNUNET_CRYPTO_EddsaPublicKey)
+ + sizeof(uint64_t)] GNUNET_ALIGN;
struct GNUNET_HashCode result;
unsigned int i;
struct GNUNET_TIME_Absolute timestamp;
struct GNUNET_TIME_Relative elapsed;
+ (void) cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Got Proof of Work %llu\n",
- (unsigned long long) proof);
+ "Got Proof of Work %llu\n",
+ (unsigned long long) proof);
proof_task = NULL;
- GNUNET_memcpy (&buf[sizeof (uint64_t)], &pub,
- sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
+ GNUNET_memcpy (&buf[sizeof(uint64_t)],
+ &pub,
+ sizeof(struct GNUNET_CRYPTO_EddsaPublicKey));
i = 0;
counter = proof;
timestamp = GNUNET_TIME_absolute_get ();
while ((counter != UINT64_MAX) && (i < ROUND_SIZE))
{
- GNUNET_memcpy (buf, &counter, sizeof (uint64_t));
- pow_hash (buf, sizeof (buf), &result);
+ GNUNET_memcpy (buf, &counter, sizeof(uint64_t));
+ GNUNET_CRYPTO_pow_hash ("gnunet-nse-proof-of-work",
+ buf,
+ sizeof(buf),
+ &result);
if (nse_work_required <= count_leading_zeroes (&result))
{
proof = counter;
- FPRINTF (stdout, "Proof of work found: %llu!\n",
+ fprintf (stdout,
+ "Proof of work found: %llu!\n",
(unsigned long long) proof);
GNUNET_SCHEDULER_shutdown ();
return;
GNUNET_STRINGS_relative_time_to_string (elapsed, 0));
if (proof / (100 * ROUND_SIZE) < counter / (100 * ROUND_SIZE))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Testing proofs currently at %llu\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Testing proofs currently at %llu\n",
(unsigned long long) counter);
/* remember progress every 100 rounds */
proof = counter;
}
proof_task =
GNUNET_SCHEDULER_add_delayed_with_priority (proof_find_delay,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof, NULL);
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &find_proof,
+ NULL);
}
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
char *pids;
+ (void) cls;
+ (void) args;
+ (void) cfgfile;
cfg = config;
/* load proof of work */
if (NULL == pwfn)
{
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "NSE",
- "PROOFFILE",
- &pwfn))
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "NSE",
+ "PROOFFILE",
+ &pwfn))
{
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "PROOFFILE");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "NSE", "PROOFFILE");
GNUNET_SCHEDULER_shutdown ();
return;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Proof of Work file: %s\n",
- pwfn);
- if ( (GNUNET_YES != GNUNET_DISK_file_test (pwfn)) ||
- (sizeof (proof) !=
- GNUNET_DISK_fn_read (pwfn, &proof, sizeof (proof))))
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Proof of Work file: %s\n", pwfn);
+ if ((GNUNET_YES != GNUNET_DISK_file_test (pwfn)) ||
+ (sizeof(proof) != GNUNET_DISK_fn_read (pwfn, &proof, sizeof(proof))))
proof = 0;
/* load private key */
if (NULL == pkfn)
{
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "PEER",
- "PRIVATE_KEY",
- &pkfn))
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "PEER",
+ "PRIVATE_KEY",
+ &pkfn))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"PEER",
- "PRIVATE_KEY");
+ "PRIVATE_KEY");
return;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Private Key file: %s\n",
- pkfn);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Private Key file: %s\n", pkfn);
if (NULL == (pk = GNUNET_CRYPTO_eddsa_key_create_from_file (pkfn)))
{
- FPRINTF (stderr,
- _("Loading hostkey from `%s' failed.\n"),
- pkfn);
+ fprintf (stderr, _ ("Loading hostkey from `%s' failed.\n"), pkfn);
GNUNET_free (pkfn);
return;
}
GNUNET_CRYPTO_eddsa_key_get_public (pk, &pub);
GNUNET_free (pk);
pids = GNUNET_CRYPTO_eddsa_public_key_to_string (&pub);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Peer ID: %s\n",
- pids);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer ID: %s\n", pids);
GNUNET_free (pids);
/* get target bit amount */
if (0 == nse_work_required)
{
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg,
- "NSE",
- "WORKBITS",
- &nse_work_required))
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg,
+ "NSE",
+ "WORKBITS",
+ &nse_work_required))
{
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "WORKBITS");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "NSE", "WORKBITS");
GNUNET_SCHEDULER_shutdown ();
return;
}
- if (nse_work_required >= sizeof (struct GNUNET_HashCode) * 8)
+ if (nse_work_required >= sizeof(struct GNUNET_HashCode) * 8)
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "WORKBITS",
- _("Value is too large.\n"));
+ "NSE",
+ "WORKBITS",
+ _ ("Value is too large.\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
return;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Bits: %llu\n",
- nse_work_required);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Bits: %llu\n", nse_work_required);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Delay between tries: %s\n",
GNUNET_STRINGS_relative_time_to_string (proof_find_delay, 1));
proof_task =
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof,
- NULL);
- GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
- NULL);
+ &find_proof,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
}
* @return 0 ok, 1 on error
*/
int
-main (int argc,
- char *const *argv)
+main (int argc, char *const *argv)
{
- struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_SET_ULONG ('b',
- "bits",
- "BITS",
- gettext_noop ("number of bits to require for the proof of work"),
- &nse_work_required),
- GNUNET_GETOPT_OPTION_FILENAME ('k',
- "keyfile",
- "FILE",
- gettext_noop ("file with private key, otherwise default is used"),
- &pkfn),
- GNUNET_GETOPT_OPTION_FILENAME ('o',
- "outfile",
- "FILE",
- gettext_noop ("file with proof of work, otherwise default is used"),
- &pwfn),
- GNUNET_GETOPT_OPTION_SET_RELATIVE_TIME ('t',
- "timeout",
- "TIME",
- gettext_noop ("time to wait between calculations"),
- &proof_find_delay),
- GNUNET_GETOPT_OPTION_END
- };
+ struct GNUNET_GETOPT_CommandLineOption options[] =
+ { GNUNET_GETOPT_option_ulong (
+ 'b',
+ "bits",
+ "BITS",
+ gettext_noop ("number of bits to require for the proof of work"),
+ &nse_work_required),
+ GNUNET_GETOPT_option_filename (
+ 'k',
+ "keyfile",
+ "FILE",
+ gettext_noop ("file with private key, otherwise default is used"),
+ &pkfn),
+ GNUNET_GETOPT_option_filename (
+ 'o',
+ "outfile",
+ "FILE",
+ gettext_noop ("file with proof of work, otherwise default is used"),
+ &pwfn),
+ GNUNET_GETOPT_option_relative_time ('t',
+ "timeout",
+ "TIME",
+ gettext_noop (
+ "time to wait between calculations"),
+ &proof_find_delay),
+ GNUNET_GETOPT_OPTION_END };
int ret;
- if (GNUNET_OK !=
- GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
- ret = (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv,
- "gnunet-scrypt [OPTIONS] prooffile",
- gettext_noop ("Manipulate GNUnet proof of work files"),
- options,
- &run,
- NULL)) ? 0 : 1;
- GNUNET_free ((void*) argv);
+ ret =
+ (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc,
+ argv,
+ "gnunet-scrypt [OPTIONS] prooffile",
+ gettext_noop ("Manipulate GNUnet proof of work files"),
+ options,
+ &run,
+ NULL))
+ ? 0
+ : 1;
+ GNUNET_free ((void *) argv);
GNUNET_free_non_null (pwfn);
return ret;
}
+
/* end of gnunet-scrypt.c */
projects / oweals / gnunet.git / blobdiff