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#include <stdio.h>
#include <stdlib.h>
#include <check.h>
#include "../src/signal_protocol.h"
#include "hkdf.h"
#include "session_record.h"
#include "session_state.h"
#include "test_common.h"
signal_context *global_context;
void test_setup()
{
int result;
result = signal_context_create(&global_context, 0);
ck_assert_int_eq(result, 0);
signal_context_set_log_function(global_context, test_log);
setup_test_crypto_provider(global_context);
}
void test_teardown()
{
signal_context_destroy(global_context);
}
void fill_test_session_state(session_state *state, ec_public_key *receiver_chain_ratchet_key1, ec_public_key *receiver_chain_ratchet_key2)
{
int result = 0;
hkdf_context *kdf = 0;
result = hkdf_create(&kdf, 2, global_context);
ck_assert_int_eq(result, 0);
uint8_t keySeed[32];
memset(keySeed, 0x42, sizeof(keySeed));
/* Set the session version */
session_state_set_session_version(state, 2);
/* Set local and remote identity keys */
ec_public_key *local_identity_key = create_test_ec_public_key(global_context);
ec_public_key *remote_identity_key = create_test_ec_public_key(global_context);
session_state_set_local_identity_key(state, local_identity_key);
session_state_set_remote_identity_key(state, remote_identity_key);
SIGNAL_UNREF(local_identity_key);
SIGNAL_UNREF(remote_identity_key);
/* Set the root key */
ratchet_root_key *root_key;
result = ratchet_root_key_create(&root_key, kdf, keySeed, sizeof(keySeed), global_context);
ck_assert_int_eq(result, 0);
session_state_set_root_key(state, root_key);
SIGNAL_UNREF(root_key);
/* Set the previous counter */
session_state_set_previous_counter(state, 4);
/* Set the sender chain */
ec_key_pair *sender_ratchet_key_pair;
result = curve_generate_key_pair(global_context, &sender_ratchet_key_pair);
ck_assert_int_eq(result, 0);
ratchet_chain_key *sender_chain_key;
result = ratchet_chain_key_create(&sender_chain_key, kdf, keySeed, sizeof(keySeed), 0, global_context);
ck_assert_int_eq(result, 0);
session_state_set_sender_chain(state, sender_ratchet_key_pair, sender_chain_key);
SIGNAL_UNREF(sender_ratchet_key_pair);
SIGNAL_UNREF(sender_chain_key);
/* Set the receiver chains */
if(receiver_chain_ratchet_key1) {
ratchet_chain_key *receiver_chain_chain_key1;
result = ratchet_chain_key_create(&receiver_chain_chain_key1, kdf, keySeed, sizeof(keySeed), 0, global_context);
ck_assert_int_eq(result, 0);
result = session_state_add_receiver_chain(state, receiver_chain_ratchet_key1, receiver_chain_chain_key1);
ck_assert_int_eq(result, 0);
ratchet_message_keys message_keys;
result = ratchet_chain_key_get_message_keys(receiver_chain_chain_key1, &message_keys);
ck_assert_int_eq(result, 0);
result = session_state_set_message_keys(state, receiver_chain_ratchet_key1, &message_keys);
ck_assert_int_eq(result, 0);
SIGNAL_UNREF(receiver_chain_chain_key1);
}
if(receiver_chain_ratchet_key2) {
ratchet_chain_key *receiver_chain_chain_key2;
result = ratchet_chain_key_create(&receiver_chain_chain_key2, kdf, keySeed, sizeof(keySeed), 0, global_context);
ck_assert_int_eq(result, 0);
result = session_state_add_receiver_chain(state, receiver_chain_ratchet_key2, receiver_chain_chain_key2);
ck_assert_int_eq(result, 0);
ratchet_message_keys message_keys;
result = ratchet_chain_key_get_message_keys(receiver_chain_chain_key2, &message_keys);
ck_assert_int_eq(result, 0);
result = session_state_set_message_keys(state, receiver_chain_ratchet_key2, &message_keys);
ck_assert_int_eq(result, 0);
SIGNAL_UNREF(receiver_chain_chain_key2);
}
/* Set pending key exchange */
ec_key_pair *our_base_key;
result = curve_generate_key_pair(global_context, &our_base_key);
ck_assert_int_eq(result, 0);
ec_key_pair *our_ratchet_key;
result = curve_generate_key_pair(global_context, &our_ratchet_key);
ck_assert_int_eq(result, 0);
ec_key_pair *our_identity_key_pair;
result = curve_generate_key_pair(global_context, &our_identity_key_pair);
ck_assert_int_eq(result, 0);
ratchet_identity_key_pair *our_identity_key;
result = ratchet_identity_key_pair_create(&our_identity_key,
ec_key_pair_get_public(our_identity_key_pair),
ec_key_pair_get_private(our_identity_key_pair));
ck_assert_int_eq(result, 0);
SIGNAL_UNREF(our_identity_key_pair);
session_state_set_pending_key_exchange(state, 42,
our_base_key, our_ratchet_key, our_identity_key);
SIGNAL_UNREF(our_base_key);
SIGNAL_UNREF(our_ratchet_key);
SIGNAL_UNREF(our_identity_key);
/* Set pending pre-key */
ec_public_key *pending_pre_key_base_key = create_test_ec_public_key(global_context);
uint32_t pre_key_id = 1234;
session_state_set_unacknowledged_pre_key_message(state,
&pre_key_id, 5678, pending_pre_key_base_key);
SIGNAL_UNREF(pending_pre_key_base_key);
session_state_set_remote_registration_id(state, 0xDEADBEEF);
session_state_set_local_registration_id(state, 0xBAADF00D);
session_state_set_needs_refresh(state, 0);
ec_public_key *alice_base_key = create_test_ec_public_key(global_context);
session_state_set_alice_base_key(state, alice_base_key);
SIGNAL_UNREF(alice_base_key);
SIGNAL_UNREF(kdf);
}
session_state *create_test_session_state(ec_public_key *receiver_chain_ratchet_key1, ec_public_key *receiver_chain_ratchet_key2)
{
int result = 0;
session_state *state = 0;
result = session_state_create(&state, global_context);
ck_assert_int_eq(result, 0);
fill_test_session_state(state, receiver_chain_ratchet_key1, receiver_chain_ratchet_key2);
return state;
}
void compare_session_states_receiver_chain(session_state *state1, session_state *state2, ec_public_key *sender_ephemeral);
void compare_session_states(session_state *state1, session_state *state2,
ec_public_key *receiver_chain_ratchet_key1, ec_public_key *receiver_chain_ratchet_key2)
{
int result = 0;
/* Compare session versions */
int version1 = session_state_get_session_version(state1);
int version2 = session_state_get_session_version(state2);
ck_assert_int_eq(version1, version2);
/* Compare local identity keys */
ec_public_key *local_identity_key1 = session_state_get_local_identity_key(state1);
ec_public_key *local_identity_key2 = session_state_get_local_identity_key(state2);
ck_assert_int_eq(ec_public_key_compare(local_identity_key1, local_identity_key2), 0);
/* Compare remote identity keys */
ec_public_key *remote_identity_key1 = session_state_get_remote_identity_key(state1);
ec_public_key *remote_identity_key2 = session_state_get_remote_identity_key(state2);
ck_assert_int_eq(ec_public_key_compare(remote_identity_key1, remote_identity_key2), 0);
/* Compare root keys */
ratchet_root_key *root_key1 = session_state_get_root_key(state1);
ratchet_root_key *root_key2 = session_state_get_root_key(state2);
ck_assert_int_eq(ratchet_root_key_compare(root_key1, root_key2), 0);
/* Compare previous counters */
int previous_counter1 = session_state_get_previous_counter(state1);
int previous_counter2 = session_state_get_previous_counter(state2);
ck_assert_int_eq(previous_counter1, previous_counter2);
/* Compare sender chain */
int has_sender_chain1 = session_state_has_sender_chain(state1);
int has_sender_chain2 = session_state_has_sender_chain(state2);
ck_assert_int_eq(has_sender_chain1, has_sender_chain2);
if(has_sender_chain1 == 1) {
/* Compare sender ratchet keys */
ec_key_pair *sender_ratchet_key_pair1 = session_state_get_sender_ratchet_key_pair(state1);
ec_key_pair *sender_ratchet_key_pair2 = session_state_get_sender_ratchet_key_pair(state2);
ec_public_key *sender_ratchet_key_public1 = ec_key_pair_get_public(sender_ratchet_key_pair1);
ec_public_key *sender_ratchet_key_public2 = ec_key_pair_get_public(sender_ratchet_key_pair2);
ck_assert_int_eq(ec_public_key_compare(sender_ratchet_key_public1, sender_ratchet_key_public2), 0);
ec_private_key *sender_ratchet_key_private1 = ec_key_pair_get_private(sender_ratchet_key_pair1);
ec_private_key *sender_ratchet_key_private2 = ec_key_pair_get_private(sender_ratchet_key_pair2);
ck_assert_int_eq(ec_private_key_compare(sender_ratchet_key_private1, sender_ratchet_key_private2), 0);
/* Compare sender chain keys */
ratchet_chain_key *sender_chain_key1 = session_state_get_sender_chain_key(state1);
ratchet_chain_key *sender_chain_key2 = session_state_get_sender_chain_key(state2);
signal_buffer *sender_chain_key_buf1;
signal_buffer *sender_chain_key_buf2;
result = ratchet_chain_key_get_key(sender_chain_key1, &sender_chain_key_buf1);
ck_assert_int_eq(result, 0);
result = ratchet_chain_key_get_key(sender_chain_key2, &sender_chain_key_buf2);
ck_assert_int_eq(result, 0);
ck_assert_int_eq(signal_buffer_compare(sender_chain_key_buf1, sender_chain_key_buf2), 0);
signal_buffer_free(sender_chain_key_buf1);
signal_buffer_free(sender_chain_key_buf2);
int sender_chain_key_index1 = ratchet_chain_key_get_index(sender_chain_key1);
int sender_chain_key_index2 = ratchet_chain_key_get_index(sender_chain_key2);
ck_assert_int_eq(sender_chain_key_index1, sender_chain_key_index2);
}
/* Compare receiver chains */
if(receiver_chain_ratchet_key1) {
compare_session_states_receiver_chain(state1, state2, receiver_chain_ratchet_key1);
}
if(receiver_chain_ratchet_key2) {
compare_session_states_receiver_chain(state1, state2, receiver_chain_ratchet_key2);
}
/* Compare pending key exchange */
int has_pending_key_exchange1 = session_state_has_pending_key_exchange(state1);
int has_pending_key_exchange2 = session_state_has_pending_key_exchange(state2);
ck_assert_int_eq(has_pending_key_exchange1, has_pending_key_exchange2);
if(has_pending_key_exchange1 == 1) {
/* Compare sequence numbers */
int sequence1 = session_state_get_pending_key_exchange_sequence(state1);
int sequence2 = session_state_get_pending_key_exchange_sequence(state2);
ck_assert_int_eq(sequence1, sequence2);
/* Compare base keys */
ec_key_pair *base_key1 = session_state_get_pending_key_exchange_base_key(state1);
ec_key_pair *base_key2 = session_state_get_pending_key_exchange_base_key(state2);
ec_public_key *base_key_public1 = ec_key_pair_get_public(base_key1);
ec_public_key *base_key_public2 = ec_key_pair_get_public(base_key2);
ck_assert_int_eq(ec_public_key_compare(base_key_public1, base_key_public2), 0);
ec_private_key *base_key_private1 = ec_key_pair_get_private(base_key1);
ec_private_key *base_key_private2 = ec_key_pair_get_private(base_key2);
ck_assert_int_eq(ec_private_key_compare(base_key_private1, base_key_private2), 0);
/* Compare ratchet keys */
ec_key_pair *ratchet_key1 = session_state_get_pending_key_exchange_ratchet_key(state1);
ec_key_pair *ratchet_key2 = session_state_get_pending_key_exchange_ratchet_key(state2);
ec_public_key *ratchet_key_public1 = ec_key_pair_get_public(ratchet_key1);
ec_public_key *ratchet_key_public2 = ec_key_pair_get_public(ratchet_key2);
ck_assert_int_eq(ec_public_key_compare(ratchet_key_public1, ratchet_key_public2), 0);
ec_private_key *ratchet_key_private1 = ec_key_pair_get_private(ratchet_key1);
ec_private_key *ratchet_key_private2 = ec_key_pair_get_private(ratchet_key2);
ck_assert_int_eq(ec_private_key_compare(ratchet_key_private1, ratchet_key_private2), 0);
/* Compare identity keys */
ratchet_identity_key_pair *identity_key1 = session_state_get_pending_key_exchange_identity_key(state1);
ratchet_identity_key_pair *identity_key2 = session_state_get_pending_key_exchange_identity_key(state2);
ec_public_key *identity_key_public1 = ratchet_identity_key_pair_get_public(identity_key1);
ec_public_key *identity_key_public2 = ratchet_identity_key_pair_get_public(identity_key2);
ck_assert_int_eq(ec_public_key_compare(identity_key_public1, identity_key_public2), 0);
ec_private_key *identity_key_private1 = ratchet_identity_key_pair_get_private(identity_key1);
ec_private_key *identity_key_private2 = ratchet_identity_key_pair_get_private(identity_key2);
ck_assert_int_eq(ec_private_key_compare(identity_key_private1, identity_key_private2), 0);
}
/* Compare pending pre-key */
int has_pending_pre_key1 = session_state_has_unacknowledged_pre_key_message(state1);
int has_pending_pre_key2 = session_state_has_unacknowledged_pre_key_message(state2);
ck_assert_int_eq(has_pending_pre_key1, has_pending_pre_key2);
if(has_pending_pre_key1 == 1) {
int has_key_id1 = session_state_unacknowledged_pre_key_message_has_pre_key_id(state1);
int has_key_id2 = session_state_unacknowledged_pre_key_message_has_pre_key_id(state2);
ck_assert_int_eq(has_key_id1, has_key_id2);
if(has_key_id1) {
/* Compare pre-key IDs */
uint32_t pre_key_id1 = session_state_unacknowledged_pre_key_message_get_pre_key_id(state1);
uint32_t pre_key_id2 = session_state_unacknowledged_pre_key_message_get_pre_key_id(state2);
ck_assert_int_eq(pre_key_id1, pre_key_id2);
/* Compare signed pre-key IDs */
int32_t signed_pre_key_id1 = session_state_unacknowledged_pre_key_message_get_signed_pre_key_id(state1);
int32_t signed_pre_key_id2 = session_state_unacknowledged_pre_key_message_get_signed_pre_key_id(state2);
ck_assert_int_eq(signed_pre_key_id1, signed_pre_key_id2);
/* Compare base keys */
ec_public_key *base_key1 = session_state_unacknowledged_pre_key_message_get_base_key(state1);
ec_public_key *base_key2 = session_state_unacknowledged_pre_key_message_get_base_key(state2);
ck_assert_int_eq(ec_public_key_compare(base_key1, base_key2), 0);
}
}
/* Compare remote registration IDs */
uint32_t remote_registration_id1 = session_state_get_remote_registration_id(state1);
uint32_t remote_registration_id2 = session_state_get_remote_registration_id(state2);
ck_assert_int_eq(remote_registration_id1, remote_registration_id2);
/* Compare local registration IDs */
uint32_t local_registration_id1 = session_state_get_local_registration_id(state1);
uint32_t local_registration_id2 = session_state_get_local_registration_id(state2);
ck_assert_int_eq(local_registration_id1, local_registration_id2);
/* Compare refresh flags */
int needs_refresh1 = session_state_get_needs_refresh(state1);
int needs_refresh2 = session_state_get_needs_refresh(state2);
ck_assert_int_eq(needs_refresh1, needs_refresh2);
/* Compare Alice base keys */
ec_public_key *alice_base_key1 = session_state_get_alice_base_key(state1);
ec_public_key *alice_base_key2 = session_state_get_alice_base_key(state2);
ck_assert_int_eq(ec_public_key_compare(alice_base_key1, alice_base_key2), 0);
}
void compare_session_states_receiver_chain(session_state *state1, session_state *state2, ec_public_key *sender_ephemeral)
{
int result = 0;
ratchet_chain_key *receiver_chain_key1 = session_state_get_receiver_chain_key(state1, sender_ephemeral);
ck_assert_ptr_ne(receiver_chain_key1, 0);
ratchet_chain_key *receiver_chain_key2 = session_state_get_receiver_chain_key(state2, sender_ephemeral);
ck_assert_ptr_ne(receiver_chain_key2, 0);
ck_assert_ptr_ne(receiver_chain_key1, receiver_chain_key2);
signal_buffer *receiver_chain_key_buf1;
signal_buffer *receiver_chain_key_buf2;
result = ratchet_chain_key_get_key(receiver_chain_key1, &receiver_chain_key_buf1);
ck_assert_int_eq(result, 0);
result = ratchet_chain_key_get_key(receiver_chain_key2, &receiver_chain_key_buf2);
ck_assert_int_eq(result, 0);
ck_assert_int_eq(signal_buffer_compare(receiver_chain_key_buf1, receiver_chain_key_buf2), 0);
signal_buffer_free(receiver_chain_key_buf1);
signal_buffer_free(receiver_chain_key_buf2);
int receiver_chain_key_index1 = ratchet_chain_key_get_index(receiver_chain_key1);
int receiver_chain_key_index2 = ratchet_chain_key_get_index(receiver_chain_key2);
ck_assert_int_eq(receiver_chain_key_index1, receiver_chain_key_index2);
int has_message_keys1 = session_state_has_message_keys(state1, sender_ephemeral, 0);
ck_assert_int_eq(has_message_keys1, 1);
int has_message_keys2 = session_state_has_message_keys(state2, sender_ephemeral, 0);
ck_assert_int_eq(has_message_keys2, 1);
ratchet_message_keys message_keys1;
result = session_state_remove_message_keys(state1, &message_keys1, sender_ephemeral, 0);
ck_assert_int_eq(result, 1);
ratchet_message_keys message_keys2;
result = session_state_remove_message_keys(state2, &message_keys2, sender_ephemeral, 0);
ck_assert_int_eq(result, 1);
ck_assert_int_eq(memcmp(&message_keys1, &message_keys2, sizeof(ratchet_message_keys)), 0);
}
START_TEST(test_serialize_single_session)
{
int result = 0;
ec_public_key *receiver_chain_ratchet_key1 = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key2 = create_test_ec_public_key(global_context);
session_state *state = create_test_session_state(receiver_chain_ratchet_key1, receiver_chain_ratchet_key2);
session_record *record = 0;
result = session_record_create(&record, state, global_context);
ck_assert_int_eq(result, 0);
signal_buffer *buffer = 0;
result = session_record_serialize(&buffer, record);
ck_assert_int_ge(result, 0);
uint8_t *data = signal_buffer_data(buffer);
int len = signal_buffer_len(buffer);
/* Deserialize the record */
session_record *record_deserialized = 0;
result = session_record_deserialize(&record_deserialized, data, len, global_context);
ck_assert_int_ge(result, 0);
session_state *state_deserialized = session_record_get_state(record_deserialized);
ck_assert_ptr_ne(state_deserialized, 0);
ck_assert_ptr_ne(state_deserialized, state);
/* Verify that the initial and deserialized states match */
compare_session_states(state, state_deserialized, receiver_chain_ratchet_key1, receiver_chain_ratchet_key2);
/* Verify that there aren't any previous states */
session_record_state_node *previous_node = session_record_get_previous_states_head(record_deserialized);
ck_assert_ptr_eq(previous_node, 0);
/* Cleanup */
SIGNAL_UNREF(state);
signal_buffer_free(buffer);
SIGNAL_UNREF(receiver_chain_ratchet_key1);
SIGNAL_UNREF(receiver_chain_ratchet_key2);
SIGNAL_UNREF(record);
SIGNAL_UNREF(record_deserialized);
}
END_TEST
START_TEST(test_serialize_multiple_sessions)
{
int result = 0;
/* Create several test keys */
ec_public_key *receiver_chain_ratchet_key1a = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key1b = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key2a = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key2b = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key3a = create_test_ec_public_key(global_context);
ec_public_key *receiver_chain_ratchet_key3b = create_test_ec_public_key(global_context);
/* Create the session record with the first state */
session_state *state1 = create_test_session_state(receiver_chain_ratchet_key1a, receiver_chain_ratchet_key1b);
session_record *record = 0;
result = session_record_create(&record, state1, global_context);
ck_assert_int_eq(result, 0);
/* Archive the current state and fill the new state */
result = session_record_archive_current_state(record);
ck_assert_int_eq(result, 0);
session_state *state2 = session_record_get_state(record);
ck_assert_ptr_ne(state1, state2);
fill_test_session_state(state2, receiver_chain_ratchet_key2a, receiver_chain_ratchet_key2b);
/* Archive the current state and fill the new state */
result = session_record_archive_current_state(record);
ck_assert_int_eq(result, 0);
session_state *state3 = session_record_get_state(record);
ck_assert_ptr_ne(state1, state2);
ck_assert_ptr_ne(state1, state3);
fill_test_session_state(state3, receiver_chain_ratchet_key3a, receiver_chain_ratchet_key3b);
signal_buffer *buffer = 0;
result = session_record_serialize(&buffer, record);
ck_assert_int_ge(result, 0);
uint8_t *data = signal_buffer_data(buffer);
int len = signal_buffer_len(buffer);
/* Deserialize the record */
session_record *record_deserialized = 0;
result = session_record_deserialize(&record_deserialized, data, len, global_context);
ck_assert_int_ge(result, 0);
session_state *state_deserialized3 = session_record_get_state(record_deserialized);
ck_assert_ptr_ne(state_deserialized3, 0);
ck_assert_ptr_ne(state_deserialized3, state3);
/* Verify that the expected and actual current states match */
compare_session_states(state3, state_deserialized3, receiver_chain_ratchet_key3a, receiver_chain_ratchet_key3b);
/* Verify that we have the expected number of previous states */
session_record_state_node *previous_node = session_record_get_previous_states_head(record_deserialized);
ck_assert_ptr_ne(previous_node, 0);
session_state *state_deserialized2 = session_record_get_previous_states_element(previous_node);
ck_assert_ptr_ne(state_deserialized2, 0);
previous_node = session_record_get_previous_states_next(previous_node);
ck_assert_ptr_ne(previous_node, 0);
session_state *state_deserialized1 = session_record_get_previous_states_element(previous_node);
ck_assert_ptr_ne(state_deserialized1, 0);
previous_node = session_record_get_previous_states_next(previous_node);
ck_assert_ptr_eq(previous_node, 0);
/* Verify that the expected and actual previous states match */
compare_session_states(state2, state_deserialized2, receiver_chain_ratchet_key2a, receiver_chain_ratchet_key2b);
compare_session_states(state1, state_deserialized1, receiver_chain_ratchet_key1a, receiver_chain_ratchet_key1b);
/* Cleanup */
SIGNAL_UNREF(state1);
signal_buffer_free(buffer);
SIGNAL_UNREF(receiver_chain_ratchet_key1a);
SIGNAL_UNREF(receiver_chain_ratchet_key1b);
SIGNAL_UNREF(receiver_chain_ratchet_key2a);
SIGNAL_UNREF(receiver_chain_ratchet_key2b);
SIGNAL_UNREF(receiver_chain_ratchet_key3a);
SIGNAL_UNREF(receiver_chain_ratchet_key3b);
SIGNAL_UNREF(record);
SIGNAL_UNREF(record_deserialized);
}
END_TEST
START_TEST(test_session_receiver_chain_count)
{
int result = 0;
int i = 0;
hkdf_context *kdf = 0;
session_state *state = 0;
ratchet_chain_key *chain_key[7];
ec_public_key *ratchet_key[7];
result = hkdf_create(&kdf, 2, global_context);
ck_assert_int_eq(result, 0);
uint8_t keySeed[32];
memset(keySeed, 0x42, sizeof(keySeed));
/* Create 7 instances of receiver chain data */
for(i = 0; i < 7; i++) {
result = ratchet_chain_key_create(&chain_key[i], kdf, keySeed, sizeof(keySeed), 0, global_context);
ck_assert_int_eq(result, 0);
ratchet_key[i] = create_test_ec_public_key(global_context);
ck_assert_ptr_ne(ratchet_key[i], 0);
}
/* Create a new session state instance */
result = session_state_create(&state, global_context);
ck_assert_int_eq(result, 0);
/* Add 6 instances of receiver chain data */
for(i = 0; i < 7; i++) {
result = session_state_add_receiver_chain(state, ratchet_key[i], chain_key[i]);
ck_assert_int_eq(result, 0);
}
/* Verify that only the latter 5 are actually there */
for(i = 0; i < 7; i++) {
ratchet_chain_key *cur_chain_key;
signal_buffer *chain_key_buf;
signal_buffer *cur_chain_key_buf;
cur_chain_key = session_state_get_receiver_chain_key(state, ratchet_key[i]);
if(i < 2) {
ck_assert_ptr_eq(cur_chain_key, 0);
}
else {
ck_assert_ptr_ne(cur_chain_key, 0);
result = ratchet_chain_key_get_key(chain_key[i], &chain_key_buf);
ck_assert_int_eq(result, 0);
result = ratchet_chain_key_get_key(cur_chain_key, &cur_chain_key_buf);
ck_assert_int_eq(result, 0);
ck_assert_int_eq(signal_buffer_compare(chain_key_buf, cur_chain_key_buf), 0);
signal_buffer_free(chain_key_buf);
signal_buffer_free(cur_chain_key_buf);
}
}
/* Cleanup */
for(i = 0; i < 7; i++) {
SIGNAL_UNREF(chain_key[i]);
SIGNAL_UNREF(ratchet_key[i]);
}
SIGNAL_UNREF(kdf);
SIGNAL_UNREF(state);
}
END_TEST
Suite *session_record_suite(void)
{
Suite *suite = suite_create("session_record");
TCase *tcase = tcase_create("case");
tcase_add_checked_fixture(tcase, test_setup, test_teardown);
tcase_add_test(tcase, test_serialize_single_session);
tcase_add_test(tcase, test_serialize_multiple_sessions);
tcase_add_test(tcase, test_session_receiver_chain_count);
suite_add_tcase(suite, tcase);
return suite;
}
int main(void)
{
int number_failed;
Suite *suite;
SRunner *runner;
suite = session_record_suite();
runner = srunner_create(suite);
srunner_run_all(runner, CK_VERBOSE);
number_failed = srunner_ntests_failed(runner);
srunner_free(runner);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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