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Commit ea13edca authored by Hubert Chathi's avatar Hubert Chathi
Browse files

don't use variable length or zero-length arrays in test files 

as some compilers don't handle that
parent 157c0fa6
Show whitespace changes
Inline Side-by-side
tests/test_base64.cpp
View file @ ea13edca
......@@ -14,7 +14,7 @@ std::size_t input_length = sizeof(input) - 1;
std::size_t output_length = olm::encode_base64_length(input_length);
assert_equals(std::size_t(15), output_length);
std::uint8_t output[output_length];
std::uint8_t output[15];
olm::encode_base64(input, input_length, output);
assert_equals(expected_output, output, output_length);
}
......@@ -29,7 +29,7 @@ std::size_t input_length = sizeof(input) - 1;
std::size_t output_length = ::_olm_encode_base64_length(input_length);
assert_equals(std::size_t(15), output_length);
std::uint8_t output[output_length];
std::uint8_t output[15];
output_length = ::_olm_encode_base64(input, input_length, output);
assert_equals(std::size_t(15), output_length);
assert_equals(expected_output, output, output_length);
......@@ -45,7 +45,7 @@ std::size_t input_length = sizeof(input) - 1;
std::size_t output_length = olm::decode_base64_length(input_length);
assert_equals(std::size_t(11), output_length);
std::uint8_t output[output_length];
std::uint8_t output[11];
olm::decode_base64(input, input_length, output);
assert_equals(expected_output, output, output_length);
}
......@@ -60,7 +60,7 @@ std::size_t input_length = sizeof(input) - 1;
std::size_t output_length = ::_olm_decode_base64_length(input_length);
assert_equals(std::size_t(11), output_length);
std::uint8_t output[output_length];
std::uint8_t output[11];
output_length = ::_olm_decode_base64(input, input_length, output);
assert_equals(std::size_t(11), output_length);
assert_equals(expected_output, output, output_length);
......
tests/test_crypto.cpp
View file @ ea13edca
......@@ -146,7 +146,10 @@ assert_equals(input, actual, length);
TestCase test_case("SHA 256 Test Case 1");
std::uint8_t input[0] = {};
// we want to take the hash of the empty string, but MSVC doesn't like
// allocating 0 bytes, so allocate one item, but pass a length of zero to
// sha256
std::uint8_t input[1] = {0};
std::uint8_t expected[32] = {
0xE3, 0xB0, 0xC4, 0x42, 0x98, 0xFC, 0x1C, 0x14,
......@@ -157,7 +160,7 @@ std::uint8_t expected[32] = {
std::uint8_t actual[32];
_olm_crypto_sha256(input, sizeof(input), actual);
_olm_crypto_sha256(input, 0, actual);
assert_equals(expected, actual, 32);
......@@ -167,7 +170,10 @@ assert_equals(expected, actual, 32);
TestCase test_case("HMAC Test Case 1");
std::uint8_t input[0] = {};
// we want to take the hash of the empty string, but MSVC doesn't like
// allocating 0 bytes, so allocate one item, but pass a length of zero to
// hmac_sha256
std::uint8_t input[1] = {0};
std::uint8_t expected[32] = {
0xb6, 0x13, 0x67, 0x9a, 0x08, 0x14, 0xd9, 0xec,
......@@ -178,7 +184,7 @@ std::uint8_t expected[32] = {
std::uint8_t actual[32];
_olm_crypto_hmac_sha256(input, sizeof(input), input, sizeof(input), actual);
_olm_crypto_hmac_sha256(input, 0, input, 0, actual);
assert_equals(expected, actual, 32);
......
tests/test_group_session.cpp
View file @ ea13edca
......@@ -16,6 +16,7 @@
#include "olm/outbound_group_session.h"
#include "unittest.hh"
#include <vector>
int main() {
......@@ -23,33 +24,32 @@ int main() {
TestCase test_case("Pickle outbound group session");
size_t size = olm_outbound_group_session_size();
uint8_t memory[size];
OlmOutboundGroupSession *session = olm_outbound_group_session(memory);
std::vector<uint8_t> memory(size);
OlmOutboundGroupSession *session = olm_outbound_group_session(memory.data());
size_t pickle_length = olm_pickle_outbound_group_session_length(session);
uint8_t pickle1[pickle_length];
std::vector<uint8_t> pickle1(pickle_length);
size_t res = olm_pickle_outbound_group_session(
session, "secret_key", 10, pickle1, pickle_length
session, "secret_key", 10, pickle1.data(), pickle_length
);
assert_equals(pickle_length, res);
uint8_t pickle2[pickle_length];
memcpy(pickle2, pickle1, pickle_length);
std::vector<uint8_t> pickle2(pickle1);
uint8_t buffer2[size];
OlmOutboundGroupSession *session2 = olm_outbound_group_session(buffer2);
std::vector<uint8_t> buffer2(size);
OlmOutboundGroupSession *session2 = olm_outbound_group_session(buffer2.data());
res = olm_unpickle_outbound_group_session(
session2, "secret_key", 10, pickle2, pickle_length
session2, "secret_key", 10, pickle2.data(), pickle_length
);
assert_not_equals((size_t)-1, res);
assert_equals(pickle_length,
olm_pickle_outbound_group_session_length(session2));
res = olm_pickle_outbound_group_session(
session2, "secret_key", 10, pickle2, pickle_length
session2, "secret_key", 10, pickle2.data(), pickle_length
);
assert_equals(pickle_length, res);
assert_equals(pickle1, pickle2, pickle_length);
assert_equals(pickle1.data(), pickle2.data(), pickle_length);
}
......@@ -57,32 +57,31 @@ int main() {
TestCase test_case("Pickle inbound group session");
size_t size = olm_inbound_group_session_size();
uint8_t memory[size];
OlmInboundGroupSession *session = olm_inbound_group_session(memory);
std::vector<uint8_t> memory(size);
OlmInboundGroupSession *session = olm_inbound_group_session(memory.data());
size_t pickle_length = olm_pickle_inbound_group_session_length(session);
uint8_t pickle1[pickle_length];
std::vector<uint8_t> pickle1(pickle_length);
size_t res = olm_pickle_inbound_group_session(
session, "secret_key", 10, pickle1, pickle_length
session, "secret_key", 10, pickle1.data(), pickle_length
);
assert_equals(pickle_length, res);
uint8_t pickle2[pickle_length];
memcpy(pickle2, pickle1, pickle_length);
std::vector<uint8_t> pickle2(pickle1);
uint8_t buffer2[size];
OlmInboundGroupSession *session2 = olm_inbound_group_session(buffer2);
std::vector<uint8_t> buffer2(size);
OlmInboundGroupSession *session2 = olm_inbound_group_session(buffer2.data());
res = olm_unpickle_inbound_group_session(
session2, "secret_key", 10, pickle2, pickle_length
session2, "secret_key", 10, pickle2.data(), pickle_length
);
assert_not_equals((size_t)-1, res);
assert_equals(pickle_length,
olm_pickle_inbound_group_session_length(session2));
res = olm_pickle_inbound_group_session(
session2, "secret_key", 10, pickle2, pickle_length
session2, "secret_key", 10, pickle2.data(), pickle_length
);
assert_equals(pickle1, pickle2, pickle_length);
assert_equals(pickle1.data(), pickle2.data(), pickle_length);
}
{
......@@ -99,8 +98,8 @@ int main() {
/* build the outbound session */
size_t size = olm_outbound_group_session_size();
uint8_t memory[size];
OlmOutboundGroupSession *session = olm_outbound_group_session(memory);
std::vector<uint8_t> memory(size);
OlmOutboundGroupSession *session = olm_outbound_group_session(memory.data());
assert_equals((size_t)160,
olm_init_outbound_group_session_random_length(session));
......@@ -111,8 +110,8 @@ int main() {
assert_equals(0U, olm_outbound_group_session_message_index(session));
size_t session_key_len = olm_outbound_group_session_key_length(session);
uint8_t session_key[session_key_len];
olm_outbound_group_session_key(session, session_key, session_key_len);
std::vector<uint8_t> session_key(session_key_len);
olm_outbound_group_session_key(session, session_key.data(), session_key_len);
/* encode the message */
uint8_t plaintext[] = "Message";
......@@ -121,57 +120,56 @@ int main() {
size_t msglen = olm_group_encrypt_message_length(
session, plaintext_length);
uint8_t msg[msglen];
std::vector<uint8_t> msg(msglen);
res = olm_group_encrypt(session, plaintext, plaintext_length,
msg, msglen);
msg.data(), msglen);
assert_equals(msglen, res);
assert_equals(1U, olm_outbound_group_session_message_index(session));
/* build the inbound session */
size = olm_inbound_group_session_size();
uint8_t inbound_session_memory[size];
std::vector<uint8_t> inbound_session_memory(size);
OlmInboundGroupSession *inbound_session =
olm_inbound_group_session(inbound_session_memory);
olm_inbound_group_session(inbound_session_memory.data());
assert_equals(0, olm_inbound_group_session_is_verified(inbound_session));
res = olm_init_inbound_group_session(
inbound_session, session_key, session_key_len);
inbound_session, session_key.data(), session_key_len);
assert_equals((size_t)0, res);
assert_equals(1, olm_inbound_group_session_is_verified(inbound_session));
/* Check the session ids */
size_t out_session_id_len = olm_outbound_group_session_id_length(session);
uint8_t out_session_id[out_session_id_len];
std::vector<uint8_t> out_session_id(out_session_id_len);
assert_equals(out_session_id_len, olm_outbound_group_session_id(
session, out_session_id, out_session_id_len
session, out_session_id.data(), out_session_id_len
));
size_t in_session_id_len = olm_inbound_group_session_id_length(
inbound_session
);
uint8_t in_session_id[in_session_id_len];
std::vector<uint8_t> in_session_id(in_session_id_len);
assert_equals(in_session_id_len, olm_inbound_group_session_id(
inbound_session, in_session_id, in_session_id_len
inbound_session, in_session_id.data(), in_session_id_len
));
assert_equals(in_session_id_len, out_session_id_len);
assert_equals(out_session_id, in_session_id, in_session_id_len);
assert_equals(out_session_id.data(), in_session_id.data(), in_session_id_len);
/* decode the message */
/* olm_group_decrypt_max_plaintext_length destroys the input so we have to
copy it. */
uint8_t msgcopy[msglen];
memcpy(msgcopy, msg, msglen);
size = olm_group_decrypt_max_plaintext_length(inbound_session, msgcopy, msglen);
uint8_t plaintext_buf[size];
std::vector<uint8_t> msgcopy(msg);
size = olm_group_decrypt_max_plaintext_length(inbound_session, msgcopy.data(), msglen);
std::vector<uint8_t> plaintext_buf(size);
uint32_t message_index;
res = olm_group_decrypt(inbound_session, msg, msglen,
plaintext_buf, size, &message_index);
res = olm_group_decrypt(inbound_session, msg.data(), msglen,
plaintext_buf.data(), size, &message_index);
assert_equals(plaintext_length, res);
assert_equals(plaintext, plaintext_buf, res);
assert_equals(plaintext, plaintext_buf.data(), res);
assert_equals(message_index, uint32_t(0));
}
......@@ -192,9 +190,9 @@ int main() {
/* init first inbound group session, and decrypt */
std::size_t size = olm_inbound_group_session_size();
uint8_t session_memory1[size];
std::vector<uint8_t> session_memory1(size);
OlmInboundGroupSession *session1 =
olm_inbound_group_session(session_memory1);
olm_inbound_group_session(session_memory1.data());
assert_equals(0, olm_inbound_group_session_is_verified(session1));
std::size_t res = olm_init_inbound_group_session(
......@@ -205,24 +203,24 @@ int main() {
/* olm_group_decrypt_max_plaintext_length destroys the input so we have to
copy it. */
uint8_t msgcopy[msglen];
memcpy(msgcopy, message, msglen);
size = olm_group_decrypt_max_plaintext_length(session1, msgcopy, msglen);
uint8_t plaintext_buf[size];
std::vector<uint8_t> msgcopy(msglen);
memcpy(msgcopy.data(), message, msglen);
size = olm_group_decrypt_max_plaintext_length(session1, msgcopy.data(), msglen);
std::vector<uint8_t> plaintext_buf(size);
uint32_t message_index;
memcpy(msgcopy, message, msglen);
memcpy(msgcopy.data(), message, msglen);
res = olm_group_decrypt(
session1, msgcopy, msglen, plaintext_buf, size, &message_index
session1, msgcopy.data(), msglen, plaintext_buf.data(), size, &message_index
);
assert_equals((std::size_t)7, res);
assert_equals((const uint8_t *)"Message", plaintext_buf, res);
assert_equals((const uint8_t *)"Message", plaintext_buf.data(), res);
assert_equals(uint32_t(0), message_index);
/* export the keys */
size = olm_export_inbound_group_session_length(session1);
uint8_t export_memory[size];
std::vector<uint8_t> export_memory(size);
res = olm_export_inbound_group_session(
session1, export_memory, size, 0
session1, export_memory.data(), size, 0
);
assert_equals(size, res);
......@@ -231,25 +229,25 @@ int main() {
/* import the keys into another inbound group session */
size = olm_inbound_group_session_size();
uint8_t session_memory2[size];
std::vector<uint8_t> session_memory2(size);
OlmInboundGroupSession *session2 =
olm_inbound_group_session(session_memory2);
olm_inbound_group_session(session_memory2.data());
res = olm_import_inbound_group_session(
session2, export_memory, sizeof(export_memory)
session2, export_memory.data(), export_memory.size()
);
assert_equals((size_t)0, res);
assert_equals(0, olm_inbound_group_session_is_verified(session2));
/* decrypt the message with the new session */
memcpy(msgcopy, message, msglen);
size = olm_group_decrypt_max_plaintext_length(session2, msgcopy, msglen);
uint8_t plaintext_buf2[size];
memcpy(msgcopy, message, msglen);
memcpy(msgcopy.data(), message, msglen);
size = olm_group_decrypt_max_plaintext_length(session2, msgcopy.data(), msglen);
std::vector<uint8_t> plaintext_buf2(size);
memcpy(msgcopy.data(), message, msglen);
res = olm_group_decrypt(
session2, msgcopy, msglen, plaintext_buf2, size, &message_index
session2, msgcopy.data(), msglen, plaintext_buf2.data(), size, &message_index
);
assert_equals((std::size_t)7, res);
assert_equals((const uint8_t *)"Message", plaintext_buf2, res);
assert_equals((const uint8_t *)"Message", plaintext_buf2.data(), res);
assert_equals(uint32_t(0), message_index);
assert_equals(1, olm_inbound_group_session_is_verified(session2));
}
......@@ -274,9 +272,9 @@ int main() {
/* build the inbound session */
size_t size = olm_inbound_group_session_size();
uint8_t inbound_session_memory[size];
std::vector<uint8_t> inbound_session_memory(size);
OlmInboundGroupSession *inbound_session =
olm_inbound_group_session(inbound_session_memory);
olm_inbound_group_session(inbound_session_memory.data());
size_t res = olm_init_inbound_group_session(
inbound_session, session_key, sizeof(session_key)-1
......@@ -287,36 +285,36 @@ int main() {
/* olm_group_decrypt_max_plaintext_length destroys the input so we have to
copy it. */
uint8_t msgcopy[msglen];
memcpy(msgcopy, message, msglen);
std::vector<uint8_t> msgcopy(msglen);
memcpy(msgcopy.data(), message, msglen);
size = olm_group_decrypt_max_plaintext_length(
inbound_session, msgcopy, msglen
inbound_session, msgcopy.data(), msglen
);
memcpy(msgcopy, message, msglen);
uint8_t plaintext_buf[size];
memcpy(msgcopy.data(), message, msglen);
std::vector<uint8_t> plaintext_buf(size);
uint32_t message_index;
res = olm_group_decrypt(
inbound_session, msgcopy, msglen, plaintext_buf, size, &message_index
inbound_session, msgcopy.data(), msglen, plaintext_buf.data(), size, &message_index
);
assert_equals(message_index, uint32_t(0));
assert_equals(plaintext_length, res);
assert_equals(plaintext, plaintext_buf, res);
assert_equals(plaintext, plaintext_buf.data(), res);
/* now twiddle the signature */
message[msglen-1] = 'E';
memcpy(msgcopy, message, msglen);
memcpy(msgcopy.data(), message, msglen);
assert_equals(
size,
olm_group_decrypt_max_plaintext_length(
inbound_session, msgcopy, msglen
inbound_session, msgcopy.data(), msglen
)
);
memcpy(msgcopy, message, msglen);
memcpy(msgcopy.data(), message, msglen);
res = olm_group_decrypt(
inbound_session, msgcopy, msglen,
plaintext_buf, size, &message_index
inbound_session, msgcopy.data(), msglen,
plaintext_buf.data(), size, &message_index
);
assert_equals((size_t)-1, res);
assert_equals(
......
tests/test_message.cpp
View file @ ea13edca
......@@ -49,7 +49,7 @@ TestCase test_case("Message encode test");
std::size_t length = olm::encode_message_length(1, 10, 10, 8);
assert_equals(std::size_t(35), length);
std::uint8_t output[length];
std::uint8_t output[35];
olm::MessageWriter writer;
olm::encode_message(writer, 3, 1, 10, 10, output);
......
tests/test_olm.cpp
View file @ ea13edca
......@@ -4,6 +4,7 @@
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <vector>
struct MockRandom {
MockRandom(std::uint8_t tag, std::uint8_t offset = 0)
......@@ -36,35 +37,34 @@ TestCase test_case("Pickle account test");
MockRandom mock_random('P');
std::uint8_t account_buffer[::olm_account_size()];
::OlmAccount *account = ::olm_account(account_buffer);
std::uint8_t random[::olm_create_account_random_length(account)];
mock_random(random, sizeof(random));
::olm_create_account(account, random, sizeof(random));
std::uint8_t ot_random[::olm_account_generate_one_time_keys_random_length(
std::vector<std::uint8_t> account_buffer(::olm_account_size());
::OlmAccount *account = ::olm_account(account_buffer.data());
std::vector<std::uint8_t> random(::olm_create_account_random_length(account));
mock_random(random.data(), random.size());
::olm_create_account(account, random.data(), random.size());
std::vector<std::uint8_t> ot_random(::olm_account_generate_one_time_keys_random_length(
account, 42
)];
mock_random(ot_random, sizeof(ot_random));
::olm_account_generate_one_time_keys(account, 42, ot_random, sizeof(ot_random));
));
mock_random(ot_random.data(), ot_random.size());
::olm_account_generate_one_time_keys(account, 42, ot_random.data(), ot_random.size());
std::size_t pickle_length = ::olm_pickle_account_length(account);
std::uint8_t pickle1[pickle_length];
std::size_t res = ::olm_pickle_account(account, "secret_key", 10, pickle1, pickle_length);
std::vector<std::uint8_t> pickle1(pickle_length);
std::size_t res = ::olm_pickle_account(account, "secret_key", 10, pickle1.data(), pickle_length);
assert_equals(pickle_length, res);
std::uint8_t pickle2[pickle_length];
std::memcpy(pickle2, pickle1, pickle_length);
std::vector<std::uint8_t> pickle2(pickle1);
std::uint8_t account_buffer2[::olm_account_size()];
::OlmAccount *account2 = ::olm_account(account_buffer2);
std::vector<std::uint8_t> account_buffer2(::olm_account_size());
::OlmAccount *account2 = ::olm_account(account_buffer2.data());
assert_not_equals(std::size_t(-1), ::olm_unpickle_account(
account2, "secret_key", 10, pickle2, pickle_length
account2, "secret_key", 10, pickle2.data(), pickle_length
));
assert_equals(pickle_length, ::olm_pickle_account_length(account2));
res = ::olm_pickle_account(account2, "secret_key", 10, pickle2, pickle_length);
res = ::olm_pickle_account(account2, "secret_key", 10, pickle2.data(), pickle_length);
assert_equals(pickle_length, res);
assert_equals(pickle1, pickle2, pickle_length);
assert_equals(pickle1.data(), pickle2.data(), pickle_length);
}
......@@ -79,8 +79,8 @@ assert_equals(pickle1, pickle2, pickle_length);
"K/A/8TOu9iK2hDFszy6xETiousHnHgh2ZGbRUh4pQx+YMm8ZdNZeRnwFGLnrWyf9"
"O5TmXua1FcU";
std::uint8_t account_buffer[::olm_account_size()];
::OlmAccount *account = ::olm_account(account_buffer);
std::vector<std::uint8_t> account_buffer(::olm_account_size());
::OlmAccount *account = ::olm_account(account_buffer.data());
assert_equals(
std::size_t(-1),
::olm_unpickle_account(
......@@ -99,47 +99,46 @@ assert_equals(pickle1, pickle2, pickle_length);
TestCase test_case("Pickle session test");
MockRandom mock_random('P');
std::uint8_t account_buffer[::olm_account_size()];
::OlmAccount *account = ::olm_account(account_buffer);
std::uint8_t random[::olm_create_account_random_length(account)];
mock_random(random, sizeof(random));
::olm_create_account(account, random, sizeof(random));
std::vector<std::uint8_t> account_buffer(::olm_account_size());
::OlmAccount *account = ::olm_account(account_buffer.data());
std::vector<std::uint8_t> random(::olm_create_account_random_length(account));
mock_random(random.data(), random.size());
::olm_create_account(account, random.data(), random.size());
std::uint8_t session_buffer[::olm_session_size()];
::OlmSession *session = ::olm_session(session_buffer);
std::vector<std::uint8_t> session_buffer(::olm_session_size());
::OlmSession *session = ::olm_session(session_buffer.data());
std::uint8_t identity_key[32];
std::uint8_t one_time_key[32];
mock_random(identity_key, sizeof(identity_key));
mock_random(one_time_key, sizeof(one_time_key));
std::uint8_t random2[::olm_create_outbound_session_random_length(session)];
mock_random(random2, sizeof(random2));
std::vector<std::uint8_t> random2(::olm_create_outbound_session_random_length(session));
mock_random(random2.data(), random2.size());
::olm_create_outbound_session(
session, account,
identity_key, sizeof(identity_key),
one_time_key, sizeof(one_time_key),
random2, sizeof(random2)
random2.data(), random2.size()
);
std::size_t pickle_length = ::olm_pickle_session_length(session);
std::uint8_t pickle1[pickle_length];
std::size_t res = ::olm_pickle_session(session, "secret_key", 10, pickle1, pickle_length);
std::vector<std::uint8_t> pickle1(pickle_length);
std::size_t res = ::olm_pickle_session(session, "secret_key", 10, pickle1.data(), pickle_length);
assert_equals(pickle_length, res);
std::uint8_t pickle2[pickle_length];
std::memcpy(pickle2, pickle1, pickle_length);
std::vector<std::uint8_t> pickle2(pickle1);
std::uint8_t session_buffer2[::olm_session_size()];
::OlmSession *session2 = ::olm_session(session_buffer2);
std::vector<std::uint8_t> session_buffer2(::olm_session_size());
::OlmSession *session2 = ::olm_session(session_buffer2.data());
assert_not_equals(std::size_t(-1), ::olm_unpickle_session(
session2, "secret_key", 10, pickle2, pickle_length
session2, "secret_key", 10, pickle2.data(), pickle_length
));
assert_equals(pickle_length, ::olm_pickle_session_length(session2));
res = ::olm_pickle_session(session2, "secret_key", 10, pickle2, pickle_length);
res = ::olm_pickle_session(session2, "secret_key", 10, pickle2.data(), pickle_length);
assert_equals(pickle_length, res);
assert_equals(pickle1, pickle2, pickle_length);
assert_equals(pickle1.data(), pickle2.data(), pickle_length);
}
{ /** Loopback test */
......@@ -148,145 +147,143 @@ TestCase test_case("Loopback test");
MockRandom mock_random_a('A', 0x00);
MockRandom mock_random_b('B', 0x80);
std::uint8_t a_account_buffer[::olm_account_size()];
::OlmAccount *a_account = ::olm_account(a_account_buffer);
std::uint8_t a_random[::olm_create_account_random_length(a_account)];
mock_random_a(a_random, sizeof(a_random));
::olm_create_account(a_account, a_random, sizeof(a_random));
std::uint8_t b_account_buffer[::olm_account_size()];
::OlmAccount *b_account = ::olm_account(b_account_buffer);
std::uint8_t b_random[::olm_create_account_random_length(b_account)];
mock_random_b(b_random, sizeof(b_random));
::olm_create_account(b_account, b_random, sizeof(b_random));
std::uint8_t o_random[::olm_account_generate_one_time_keys_random_length(
std::vector<std::uint8_t> a_account_buffer(::olm_account_size());
::OlmAccount *a_account = ::olm_account(a_account_buffer.data());
std::vector<std::uint8_t> a_random(::olm_create_account_random_length(a_account));
mock_random_a(a_random.data(), a_random.size());
::olm_create_account(a_account, a_random.data(), a_random.size());
std::vector<std::uint8_t> b_account_buffer(::olm_account_size());
::OlmAccount *b_account = ::olm_account(b_account_buffer.data());
std::vector<std::uint8_t> b_random(::olm_create_account_random_length(b_account));
mock_random_b(b_random.data(), b_random.size());
::olm_create_account(b_account, b_random.data(), b_random.size());
std::vector<std::uint8_t> o_random(::olm_account_generate_one_time_keys_random_length(
b_account, 42
)];
mock_random_b(o_random, sizeof(o_random));
::olm_account_generate_one_time_keys(b_account, 42, o_random, sizeof(o_random));
std::uint8_t a_id_keys[::olm_account_identity_keys_length(a_account)];
::olm_account_identity_keys(a_account, a_id_keys, sizeof(a_id_keys));