From 0ca3797d2d065e63dc5806ba014bcb742b09c5d7 Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Sun, 21 Jun 2015 18:33:46 +0100
Subject: [PATCH] Make the 'random' numbers different for each key in the tests
---
build_shared_library.py | 2 +-
tests/test_axolotl.cpp | 44 ++++++++++++++++++++++++++++++++---------
2 files changed, 36 insertions(+), 10 deletions(-)
diff --git a/build_shared_library.py b/build_shared_library.py
index 82420f0..1081846 100755
--- a/build_shared_library.py
+++ b/build_shared_library.py
@@ -22,7 +22,7 @@ if not os.path.exists("build"):
source_files = glob.glob("src/*.cpp")
-compile_args = "g++ -O3 -Iinclude -Ilib --std=c++11 --shared -fPIC".split()
+compile_args = "g++ -O0 -g -Iinclude -Ilib --std=c++11 --shared -fPIC".split()
compile_args += source_files
library = "build/libaxolotl.so"
diff --git a/tests/test_axolotl.cpp b/tests/test_axolotl.cpp
index 578a43b..0de81de 100644
--- a/tests/test_axolotl.cpp
+++ b/tests/test_axolotl.cpp
@@ -5,18 +5,42 @@
#include <cstdint>
#include <cstring>
+struct MockRandom {
+ MockRandom(std::uint8_t tag, std::uint8_t offset = 0)
+ : tag(tag), current(offset) {}
+ void operator()(
+ std::uint8_t * bytes, std::size_t length
+ ) {
+ 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;
+};
+
int main() {
{ /** Pickle account test */
TestCase test_case("Pickle account test");
+MockRandom mock_random('P');
+
std::uint8_t account_buffer[::axolotl_account_size()];
::AxolotlAccount *account = ::axolotl_account(account_buffer);
-std::size_t random_length = ::axolotl_create_account_random_length(account);
-std::uint8_t random[random_length];
-std::memset(random, 4, random_length); /* http://xkcd.com/221/ */
-::axolotl_create_account(account, random, random_length);
+std::uint8_t random[::axolotl_create_account_random_length(account)];
+mock_random(random, sizeof(random));
+::axolotl_create_account(account, random, sizeof(random));
std::size_t pickle_length = ::axolotl_pickle_account_length(account);
std::uint8_t pickle1[pickle_length];
::axolotl_pickle_account(account, "secret_key", 10, pickle1, pickle_length);
@@ -36,17 +60,19 @@ assert_equals(pickle1, pickle2, pickle_length);
{ /** Loopback test */
TestCase test_case("Loopback test");
+MockRandom mock_random_a('A', 0x00);
+MockRandom mock_random_b('B', 0x80);
std::uint8_t a_account_buffer[::axolotl_account_size()];
::AxolotlAccount *a_account = ::axolotl_account(a_account_buffer);
std::uint8_t a_random[::axolotl_create_account_random_length(a_account)];
-std::memset(a_random, 4, sizeof(a_random)); /* http://xkcd.com/221/ */
+mock_random_a(a_random, sizeof(a_random));
::axolotl_create_account(a_account, a_random, sizeof(a_random));
std::uint8_t b_account_buffer[::axolotl_account_size()];
::AxolotlAccount *b_account = ::axolotl_account(b_account_buffer);
std::uint8_t b_random[::axolotl_create_account_random_length(b_account)];
-std::memset(b_random, 5, sizeof(b_random)); /* http://xkcd.com/221/ */
+mock_random_b(b_random, sizeof(b_random));
::axolotl_create_account(b_account, b_random, sizeof(b_random));
std::uint8_t b_id_keys[::axolotl_account_identity_keys_length(b_account)];
@@ -57,7 +83,7 @@ std::uint8_t b_ot_keys[::axolotl_account_one_time_keys_length(b_account)];
std::uint8_t a_session_buffer[::axolotl_session_size()];
::AxolotlSession *a_session = ::axolotl_session(a_session_buffer);
std::uint8_t a_rand[::axolotl_create_outbound_session_random_length(a_session)];
-std::memset(a_rand, 6, sizeof(a_rand)); /* http://xkcd.com/221/ */
+mock_random_a(a_rand, sizeof(a_rand));
assert_not_equals(std::size_t(-1), ::axolotl_create_outbound_session(
a_session, a_account,
b_id_keys + 14, 43,
@@ -68,7 +94,7 @@ assert_not_equals(std::size_t(-1), ::axolotl_create_outbound_session(
std::uint8_t plaintext[] = "Hello, World";
std::uint8_t message_1[::axolotl_encrypt_message_length(a_session, 12)];
std::uint8_t a_message_random[::axolotl_encrypt_random_length(a_session)];
-std::memset(a_message_random, 1, sizeof(a_message_random)); /* http://xkcd.com/221/ */
+mock_random_a(a_message_random, sizeof(a_message_random));
assert_equals(std::size_t(0), ::axolotl_encrypt_message_type(a_session));
assert_not_equals(std::size_t(-1), ::axolotl_encrypt(
a_session,
@@ -101,7 +127,7 @@ assert_equals(plaintext, plaintext_1, 12);
std::uint8_t message_2[::axolotl_encrypt_message_length(b_session, 12)];
std::uint8_t b_message_random[::axolotl_encrypt_random_length(b_session)];
-std::memset(b_message_random, 2, sizeof(b_message_random)); /* http://xkcd.com/221/ */
+mock_random_b(b_message_random, sizeof(b_message_random));
assert_equals(std::size_t(1), ::axolotl_encrypt_message_type(b_session));
assert_not_equals(std::size_t(-1), ::axolotl_encrypt(
b_session,
--
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