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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
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17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 * @file sensor/test_pow_sign.c
22 * @brief testcase for proof-of-work and signature library functions
26 #include "gnunet_util_lib.h"
27 #include "gnunet_sensor_util_lib.h"
28 #include "gnunet_testbed_service.h"
29 #include "gnunet_signatures.h"
32 * Number of peers to start for the test
37 * Size of the message exchanged
42 * Number of matching bits to use for generating proof-of-work
44 #define MATCHING_BITS 5
49 #define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 1)
54 static const char *testname = "test_pow_sign";
57 * Name of GNUNET config file used in this test
59 static const char *cfg_filename = "test_pow_sign.conf";
62 * Status of the test to be returned by main()
67 * Task used to shutdown / expire the test
69 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
72 * Message to be exchanged
74 static char msg[MSG_SIZE];
77 * Private key of sending peer
79 static struct GNUNET_CRYPTO_EddsaPrivateKey *private_key;
82 * Public key of sending peer
84 static struct GNUNET_CRYPTO_EddsaPublicKey *public_key;
90 * @param cls Closure (unused)
91 * @param tc Task context (unused)
94 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
96 if (NULL != private_key)
98 GNUNET_free (private_key);
101 if (NULL != public_key)
103 GNUNET_free (public_key);
106 GNUNET_SCHEDULER_shutdown ();
111 pow_cb (void *cls, struct GNUNET_SENSOR_crypto_pow_block *block)
115 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
116 "Received block:\n" "pow: %" PRIu64 ".\n", block->pow);
117 /* Test that the block is valid */
118 GNUNET_assert (MSG_SIZE ==
119 GNUNET_SENSOR_crypto_verify_pow_sign (block, MATCHING_BITS,
120 public_key, &response));
121 GNUNET_assert (0 == memcmp (msg, response, MSG_SIZE));
122 /* Modify the payload and test that verification returns invalid */
125 GNUNET_SENSOR_crypto_verify_pow_sign (block, MATCHING_BITS,
126 public_key, &response));
128 GNUNET_SCHEDULER_cancel (shutdown_task);
129 GNUNET_SCHEDULER_add_now (do_shutdown, NULL);
134 * Callback to be called when the requested peer information is available
136 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
137 * @param op the operation this callback corresponds to
138 * @param pinfo the result; will be NULL if the operation has failed
139 * @param emsg error message if the operation has failed; will be NULL if the
140 * operation is successfull
143 peer_info_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
144 const struct GNUNET_TESTBED_PeerInformation *pinfo,
147 struct GNUNET_TIME_Absolute timestamp;
149 /* generate random data block */
150 GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, msg, MSG_SIZE);
151 /* get private and public keys */
153 GNUNET_CRYPTO_eddsa_key_create_from_configuration (pinfo->result.cfg);
154 GNUNET_assert (NULL != private_key);
155 public_key = GNUNET_new (struct GNUNET_CRYPTO_EddsaPublicKey);
157 GNUNET_CRYPTO_eddsa_key_get_public (private_key, public_key);
158 /* create pow and sign */
159 timestamp = GNUNET_TIME_absolute_get ();
160 GNUNET_SENSOR_crypto_pow_sign (msg, MSG_SIZE, ×tamp, public_key,
161 private_key, MATCHING_BITS, &pow_cb, NULL);
162 GNUNET_TESTBED_operation_done (op);
167 * Signature of a main function for a testcase.
170 * @param h the run handle
171 * @param num_peers number of peers in 'peers'
172 * @param peers handle to peers run in the testbed. NULL upon timeout (see
173 * GNUNET_TESTBED_test_run()).
174 * @param links_succeeded the number of overlay link connection attempts that
176 * @param links_failed the number of overlay link connection attempts that
178 * @see GNUNET_TESTBED_test_run()
181 test_master (void *cls, struct GNUNET_TESTBED_RunHandle *h,
182 unsigned int num_peers, struct GNUNET_TESTBED_Peer **peers,
183 unsigned int links_succeeded, unsigned int links_failed)
185 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
186 "%d peers started. %d links succeeded. %d links failed.\n",
187 num_peers, links_succeeded, links_failed);
188 GNUNET_assert (NUM_PEERS == num_peers);
189 GNUNET_assert (0 == links_failed);
190 /* Schedule test timeout */
192 GNUNET_SCHEDULER_add_delayed (TEST_TIMEOUT, &do_shutdown, NULL);
193 GNUNET_TESTBED_peer_get_information (peers[0],
194 GNUNET_TESTBED_PIT_CONFIGURATION,
195 &peer_info_cb, peers[0]);
200 main (int argc, char *argv[])
202 GNUNET_log_setup (testname, "INFO", NULL);
204 GNUNET_TESTBED_test_run (testname, cfg_filename, NUM_PEERS, 0, NULL, NULL,