GNUNET_assert (tmp = gcry_mpi_new (0));
- while (0 >= gcry_mpi_cmp_ui (tmp, 1)) {
+ while (0 >= gcry_mpi_cmp_ui (tmp, 1))
+ {
gcry_mpi_randomize (tmp, KEYBITS / 3, GCRY_WEAK_RANDOM);
// r must be 1 < r < n
}
msg_length = sizeof (struct GNUNET_SCALARPRODUCT_client_response) +product_length;
msg = GNUNET_malloc (msg_length);
msg->key = session->key;
- &msg->peer = session->peer;
+ msg->peer = session->peer;
if (product_exported != NULL)
{
memcpy (&msg[1], product_exported, product_length);
rand_pi_prime = GNUNET_malloc (sizeof (gcry_mpi_t) * count);
// convert responder session to from long to mpi
- for (i = 0, j = 0; i < response->total && j < count; i++) {
- if (request->mask[i / 8] & (1 << (i % 8))) {
+ for (i = 0, j = 0; i < response->total && j < count; i++)
+ {
+ if (request->mask[i / 8] & (1 << (i % 8)))
+ {
value = response->vector[i] >= 0 ? response->vector[i] : -response->vector[i];
// long to gcry_mpi_t
- if (0 > response->vector[i]) {
+ if (0 > response->vector[i])
+ {
b[j] = gcry_mpi_new (0);
gcry_mpi_sub_ui (b[j], b[j], value);
}
}
GNUNET_free (response->vector);
response->vector = NULL;
-
+ q = NULL;
+ p = NULL;
tmp_exp = gcry_sexp_find_token (request->remote_pubkey, "n", 0);
- if (!tmp_exp) {
+ if (!tmp_exp)
+ {
GNUNET_break_op (0);
gcry_sexp_release (request->remote_pubkey);
request->remote_pubkey = NULL;
goto except;
}
remote_n = gcry_sexp_nth_mpi (tmp_exp, 1, GCRYMPI_FMT_USG);
- if (!remote_n) {
+ if (!remote_n)
+ {
GNUNET_break (0);
gcry_sexp_release (tmp_exp);
goto except;
tmp_exp = gcry_sexp_find_token (request->remote_pubkey, "g", 0);
gcry_sexp_release (request->remote_pubkey);
request->remote_pubkey = NULL;
- if (!tmp_exp) {
+ if (!tmp_exp)
+ {
GNUNET_break_op (0);
gcry_mpi_release (remote_n);
goto except;
}
remote_g = gcry_sexp_nth_mpi (tmp_exp, 1, GCRYMPI_FMT_USG);
- if (!remote_g) {
+ if (!remote_g)
+ {
GNUNET_break (0);
gcry_mpi_release (remote_n);
gcry_sexp_release (tmp_exp);
// vectors, which get rid of all the lookups in p/q.
// however, ap/aq are not absolutely necessary but are just abstraction
// Calculate Kp = E(S + a_pi) (+) E(S - r_pi - b_pi)
- for (i = 0; i < count; i++) {
+ for (i = 0; i < count; i++)
+ {
// E(S - r_pi - b_pi)
gcry_mpi_sub (r[i], my_offset, rand_pi[i]);
gcry_mpi_sub (r[i], r[i], b_pi[i]);
GNUNET_free (rand_pi);
// Calculate Kq = E(S + a_qi) (+) E(S - r_qi)
- for (i = 0; i < count; i++) {
+ for (i = 0; i < count; i++)
+ {
// E(S - r_qi)
gcry_mpi_sub (r_prime[i], my_offset, rand_pi_prime[i]);
encrypt_element (r_prime[i], r_prime[i], remote_g, remote_n, remote_nsquare);
ret = GNUNET_OK;
except:
- for (i = 0; i < count; i++) {
+ for (i = 0; i < count; i++)
+ {
gcry_mpi_release (b[i]);
gcry_mpi_release (request->a[i]);
}
GNUNET_free (b);
GNUNET_free (request->a);
request->a = NULL;
-
+ GNUNET_free_non_null (p);
+ GNUNET_free_non_null (q);
+ GNUNET_free (rand);
return ret;
}
a = gcry_mpi_new (KEYBITS * 2);
current = (unsigned char *) &msg[1];
// encrypt our vector and generate string representations
- for (i = session->last_processed, j = 0; i < session->total; i++) {
+ for (i = session->last_processed, j = 0; i < session->total; i++)
+ {
// is this a used element?
if (session->mask[i / 8] & 1 << (i % 8)) {
if (todo_count <= j)
if ((ntohs (msg->header.size) != (sizeof (struct GNUNET_SCALARPRODUCT_client_request) +element_count * sizeof (int32_t) + mask_length))
|| (0 == element_count)) {
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _ ("Invalid message received from client, session information incorrect!\n"));
+ _("Invalid message received from client, session information incorrect!\n"));
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
element_count,
NULL, NULL)) {
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _ ("Duplicate session information received, cannot create new session with key `%s'\n"),
+ _("Duplicate session information received, cannot create new session with key `%s'\n"),
GNUNET_h2s (&msg->key));
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
session->vector = GNUNET_malloc (sizeof (int32_t) * element_count);
vector = (int32_t *) & msg[1];
- if (GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_ALICE == msg_type) {
+ if (GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_ALICE == msg_type)
+ {
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- _ ("Got client-request-session with key %s, preparing channel to remote service.\n"),
+ _("Got client-request-session with key %s, preparing channel to remote service.\n"),
GNUNET_h2s (&session->key));
session->role = ALICE;
// copy over the elements
session->used = 0;
- for (i = 0; i < element_count; i++) {
+ for (i = 0; i < element_count; i++)
+ {
session->vector[i] = ntohl (vector[i]);
if (session->vector[i] == 0)
session->mask[i / 8] &= ~(1 << (i % 8));
session->used++;
}
- if (0 == session->used) {
+ if (0 == session->used)
+ {
GNUNET_break_op (0);
GNUNET_free (session->vector);
GNUNET_free (session);
return;
}
//session with ourself makes no sense!
- if (!memcmp (&msg->peer, &me, sizeof (struct GNUNET_PeerIdentity))) {
+ if (!memcmp (&msg->peer, &me, sizeof (struct GNUNET_PeerIdentity)))
+ {
GNUNET_break (0);
GNUNET_free (session->vector);
GNUNET_free (session);
session);
}
- else {
+ else
+ {
struct ServiceSession * requesting_session;
enum SessionState needed_state = SERVICE_REQUEST_RECEIVED;
&session->key,
session->total,
&needed_state, NULL);
- if (NULL != requesting_session) {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Got client-responder-session with key %s and a matching service-request-session set, processing.\n"), GNUNET_h2s (&session->key));
+ if (NULL != requesting_session)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Got client-responder-session with key %s and a matching service-request-session set, processing.\n"),
+ GNUNET_h2s (&session->key));
if (GNUNET_OK != compute_service_response (requesting_session, session))
session->client_notification_task =
GNUNET_SCHEDULER_add_now (&prepare_client_end_notification,
session);
}
- else {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Got client-responder-session with key %s but NO matching service-request-session set, queuing element for later use.\n"), GNUNET_h2s (&session->key));
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Got client-responder-session with key %s but NO matching service-request-session set, queuing element for later use.\n"),
+ GNUNET_h2s (&session->key));
// no matching session exists yet, store the response
// for later processing by handle_service_request()
}
channel_incoming_handler (void *cls,
struct GNUNET_MESH_Channel *channel,
const struct GNUNET_PeerIdentity *initiator,
- uint32_t port, enum MeshOption options)
+ uint32_t port, enum GNUNET_MESH_ChannelOption options)
{
struct ServiceSession * c = GNUNET_new (struct ServiceSession);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _ ("New incoming channel from peer %s.\n"), GNUNET_i2s (initiator));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("New incoming channel from peer %s.\n"),
+ GNUNET_i2s (initiator));
c->peer = *initiator;
c->channel = channel;
// due to the introduced static offset S, we now also have to remove this
// from the E(a_pi)(+)E(-b_pi-r_pi) and E(a_qi)(+)E(-r_qi) twice each,
// the result is E((S + a_pi) + (S -b_pi-r_pi)) and E(S + a_qi + S - r_qi)
- for (i = 0; i < count; i++) {
+ for (i = 0; i < count; i++)
+ {
decrypt_element (session->r[i], session->r[i], my_mu, my_lambda, my_n, my_nsquare);
gcry_mpi_sub (session->r[i], session->r[i], my_offset);
gcry_mpi_sub (session->r[i], session->r[i], my_offset);
}
session->transferred += contained_elements;
- if (session->transferred == used_elements) {
+ if (session->transferred == used_elements)
+ {
// single part finished
session->state = SERVICE_REQUEST_RECEIVED;
- if (session->response) {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Got session with key %s and a matching element set, processing.\n"), GNUNET_h2s (&session->key));
+ if (session->response)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _ ("Got session with key %s and a matching element set, processing.\n"),
+ GNUNET_h2s (&session->key));
if (GNUNET_OK != compute_service_response (session, session->response)) {
//something went wrong, remove it again...
goto except;
}
}
else
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Got session with key %s without a matching element set, queueing.\n"), GNUNET_h2s (&session->key));
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Got session with key %s without a matching element set, queueing.\n"),
+ GNUNET_h2s (&session->key));
}
- else {
+ else
+ {
// multipart message
}
}
+mask_length + pk_length + contained_elements * PAILLIER_ELEMENT_LENGTH;
//sanity check: is the message as long as the message_count fields suggests?
- if ((ntohs (msg->header.size) != msg_length) || (element_count < used_elements) || (used_elements < contained_elements)
- || (used_elements == 0) || (mask_length != (element_count / 8 + (element_count % 8 ? 1 : 0)))
- ) {
+ if ( (ntohs (msg->header.size) != msg_length) ||
+ (element_count < used_elements) ||
+ (used_elements < contained_elements) ||
+ (0 == used_elements) ||
+ (mask_length != (element_count / 8 + ((element_count % 8) ? 1 : 0))) )
+ {
GNUNET_free (session);
GNUNET_break_op (0);
return GNUNET_SYSERR;
&msg->key,
element_count,
NULL,
- NULL)) {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _ ("Got message with duplicate session key (`%s'), ignoring service request.\n"), (const char *) &(msg->key));
+ NULL))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _ ("Got message with duplicate session key (`%s'), ignoring service request.\n"),
+ (const char *) &(msg->key));
GNUNET_free (session);
return GNUNET_SYSERR;
}
projects / oweals / gnunet.git / blobdiff