C++ (Cpp) GNUNET_GNSRECORD_block_decrypt Examples

Example #1

File: test_gnsrecord_crypto.c Project: claudiuolteanu/gnunet-1

static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  struct GNUNET_GNSRECORD_Block *block;
  struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;

  /* load privat key */
  char *hostkey_file;
  GNUNET_asprintf(&hostkey_file,
                  "zonefiles%s%s",
                  DIR_SEPARATOR_STR,
                  "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Using zonekey file `%s'\n",
              hostkey_file);
  privkey = GNUNET_CRYPTO_ecdsa_key_create_from_file(hostkey_file);
  GNUNET_free (hostkey_file);
  GNUNET_assert (privkey != NULL);
  struct GNUNET_TIME_Absolute expire = GNUNET_TIME_absolute_get();
  /* get public key */
  GNUNET_CRYPTO_ecdsa_key_get_public(privkey, &pubkey);

  /* create record */
  s_name = "DUMMY.dummy.gnunet";
  s_rd = create_record (RECORDS);

  /* Create block */
  GNUNET_assert (NULL != (block = GNUNET_GNSRECORD_block_create (privkey, expire,s_name, s_rd, RECORDS)));
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_block_verify (block));
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_block_decrypt (block, &pubkey, s_name, &rd_decrypt_cb, s_name));

  GNUNET_free (block);
}

Example #2

File: test_namestore_api_lookup_shadow.c Project: GNUnet/gnunet

static void
name_lookup_proc (void *cls,
                  const struct GNUNET_GNSRECORD_Block *block)
{
  const char *name = cls;

  ncqe = NULL;
  GNUNET_assert (NULL != cls);

  if (endbadly_task != NULL)
  {
    GNUNET_SCHEDULER_cancel (endbadly_task);
    endbadly_task = NULL;
  }

  if (NULL == block)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
  	      _("Namestore returned no block\n"));
    if (endbadly_task != NULL)
      GNUNET_SCHEDULER_cancel (endbadly_task);
    endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
    return;
  }

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
	      "Namestore returned block, decrypting \n");
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_block_decrypt(block,
  		&pubkey, name, &rd_decrypt_cb, (void *) name));
}

Example #3

File: gnunet-service-gns_shorten.c Project: GNUnet/gnunet

/**
 * We obtained a result for our query to the shorten zone from
 * the namestore.  Try to decrypt.
 *
 * @param cls the handle to our shorten operation
 * @param block resulting encrypted block
 */
static void
process_pseu_block_ns (void *cls,
		       const struct GNUNET_GNSRECORD_Block *block)
{
  struct GetPseuAuthorityHandle *gph = cls;
  struct GNUNET_CRYPTO_EcdsaPublicKey pub;

  gph->namecache_task = NULL;
  if (NULL == block)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Namecache did not return information for label `%s' \n",
                gph->current_label);
    process_pseu_lookup_ns (gph, 0, NULL);
    return;
  }
  GNUNET_CRYPTO_ecdsa_key_get_public (&gph->shorten_zone_key,
				    &pub);
  if (GNUNET_OK !=
      GNUNET_GNSRECORD_block_decrypt (block,
				      &pub,
				      gph->current_label,
				      &process_pseu_lookup_ns,
				      gph))
  {
    GNUNET_break (0);
    free_get_pseu_authority_handle (gph);
    return;
  }
}