olm/tests/test_olm_signature.cpp

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2016-05-17 13:13:57 +02:00
#include "olm/olm.h"
#include "unittest.hh"
#include <cstddef>
#include <cstdint>
#include <cstring>
struct MockRandom {
MockRandom(std::uint8_t tag, std::uint8_t offset = 0)
: tag(tag), current(offset) {}
void operator()(
void * buf, std::size_t length
) {
std::uint8_t * bytes = (std::uint8_t *) buf;
while (length > 32) {
bytes[0] = tag;
std::memset(bytes + 1, current, 31);
length -= 32;
bytes += 32;
current += 1;
}
if (length) {
bytes[0] = tag;
std::memset(bytes + 1, current, length - 1);
current += 1;
}
}
std::uint8_t tag;
std::uint8_t current;
};
std::uint8_t * check_malloc(std::size_t size) {
if (size == std::size_t(-1)) {
assert_not_equals(std::size_t(-1), size);
}
return (std::uint8_t *)::malloc(size);
}
int main() {
{ /** Signing Test */
TestCase test_case("Signing test");
MockRandom mock_random_a('A', 0x00);
void * account_buffer = check_malloc(::olm_account_size());
::OlmAccount * account = ::olm_account(account_buffer);
std::size_t random_size = ::olm_create_account_random_length(account);
void * random = check_malloc(random_size);
mock_random_a(random, random_size);
::olm_create_account(account, random, random_size);
::free(random);
std::size_t message_size = 12;
void * message = check_malloc(message_size);
::memcpy(message, "Hello, World", message_size);
std::size_t signature_size = ::olm_account_signature_length(account);
void * signature = check_malloc(signature_size);
assert_not_equals(std::size_t(-1), ::olm_account_sign(
account, message, message_size, signature, signature_size
));
std::size_t id_keys_size = ::olm_account_identity_keys_length(account);
std::uint8_t * id_keys = (std::uint8_t *) check_malloc(id_keys_size);
assert_not_equals(std::size_t(-1), ::olm_account_identity_keys(
account, id_keys, id_keys_size
));
void * utility_buffer = check_malloc(::olm_utility_size());
::OlmUtility * utility = ::olm_utility(utility_buffer);
assert_not_equals(std::size_t(-1), ::olm_ed25519_verify(
utility, id_keys + 71, 43, message, message_size, signature, signature_size
));
}
}