enoise/test/enoise_tests.erl
2018-03-06 10:06:03 +01:00

150 lines
6.2 KiB
Erlang

%%%-------------------------------------------------------------------
%%% @copyright (C) 2018, Aeternity Anstalt
%%%-------------------------------------------------------------------
-module(enoise_tests).
-include_lib("eunit/include/eunit.hrl").
-record(key_pair, { puk, pik }).
noise_test_() ->
%% Test vector from https://raw.githubusercontent.com/rweather/noise-c/master/tests/vector/noise-c-basic.txt
{setup,
fun() -> test_utils:noise_test_vectors() end,
fun(_X) -> ok end,
fun(Tests) ->
[ {maps:get(name, T), fun() -> noise_test(T) end} || T <- noise_test_filter(Tests) ]
end
}.
noise_test_filter(Tests0) ->
Tests1 = [ T || T = #{ name := Name } <- Tests0, supported(Name) ],
case length(Tests1) < length(Tests0) of
true -> ?debugFmt("WARNING: ~p test vectors are unsupported", [length(Tests0) - length(Tests1)]);
false -> ok
end,
Tests1.
supported(Name) ->
try enoise_protocol:from_name(Name), true
catch _:_ -> false end.
noise_test(V = #{ name := Name }) ->
%% ?debugFmt("~s", [Name]),
Protocol = enoise_protocol:from_name(Name),
FixK = fun(undefined) -> undefined;
(Bin) -> test_utils:hex_str_to_bin("0x" ++ binary_to_list(Bin)) end,
Init = #{ prologue => FixK(maps:get(init_prologue, V, <<>>))
, e => FixK(maps:get(init_ephemeral, V, undefined))
, s => FixK(maps:get(init_static, V, undefined))
, rs => FixK(maps:get(init_remote_static, V, undefined)) },
Resp = #{ prologue => FixK(maps:get(resp_prologue, V, <<>>))
, e => FixK(maps:get(resp_ephemeral, V, undefined))
, s => FixK(maps:get(resp_static, V, undefined))
, rs => FixK(maps:get(resp_remote_static, V, undefined)) },
Messages = maps:get(messages, V),
HandshakeHash = maps:get(handshake_hash, V),
noise_test(Name, Protocol, Init, Resp, Messages, FixK(HandshakeHash)),
ok.
noise_test(_Name, Protocol, Init, Resp, Messages, HSHash) ->
PubK = fun(undefined) -> undefined; (S) -> enacl:curve25519_scalarmult_base(S) end,
HSInit = fun(P, R, #{ e := E, s := S, rs := RS, prologue := PL }) ->
enoise_hs_state:init(P, R, PL, {#key_pair{ pik = S, puk = PubK(S) },
#key_pair{ pik = E, puk = PubK(E) },
RS, undefined})
end,
InitHS = HSInit(Protocol, initiator, Init),
RespHS = HSInit(Protocol, responder, Resp),
noise_test(Messages, InitHS, RespHS, HSHash),
ok.
noise_test([M = #{ payload := PL0, ciphertext := CT0 } | Msgs], SendHS, RecvHS, HSHash) ->
PL = test_utils:hex_str_to_bin("0x" ++ binary_to_list(PL0)),
CT = test_utils:hex_str_to_bin("0x" ++ binary_to_list(CT0)),
case {enoise_hs_state:next_message(SendHS), enoise_hs_state:next_message(RecvHS)} of
{out, in} ->
{ok, SendHS1, Message} = enoise_hs_state:write_message(SendHS, PL),
?assertEqual(CT, Message),
{ok, RecvHS1, PL1} = enoise_hs_state:read_message(RecvHS, <<(byte_size(Message)):16, Message/binary>>),
?assertEqual(PL, PL1),
noise_test(Msgs, RecvHS1, SendHS1, HSHash);
{done, done} ->
{ok, #{ rx := RX1, tx := TX1, hs_hash := HSHash1 }} = enoise_hs_state:finalize(SendHS),
{ok, #{ rx := RX2, tx := TX2, hs_hash := HSHash2 }} = enoise_hs_state:finalize(RecvHS),
?assertEqual(RX1, TX2), ?assertEqual(RX2, TX1),
?assertEqual(HSHash, HSHash1), ?assertEqual(HSHash, HSHash2),
noise_test([M | Msgs], TX1, RX1);
{Out, In} -> ?assertMatch({out, in}, {Out, In})
end.
noise_test([], _, _) -> ok;
noise_test([#{ payload := PL0, ciphertext := CT0 } | Msgs], CA, CB) ->
PL = test_utils:hex_str_to_bin("0x" ++ binary_to_list(PL0)),
CT = test_utils:hex_str_to_bin("0x" ++ binary_to_list(CT0)),
{ok, CA1, CT1} = enoise_cipher_state:encrypt_with_ad(CA, <<>>, PL),
?assertEqual(CT, CT1),
{ok, CA2, PL1} = enoise_cipher_state:decrypt_with_ad(CA, <<>>, CT1),
?assertEqual(CA1, CA2),
?assertEqual(PL, PL1),
noise_test(Msgs, CB, CA1).
%% Talks to local echo-server (noise-c)
client_test() ->
TestProtocol = enoise_protocol:from_name("Noise_XK_25519_ChaChaPoly_BLAKE2b"),
ClientPrivKey = <<64,168,119,119,151,194,94,141,86,245,144,220,78,53,243,231,168,216,66,199,49,148,202,117,98,40,61,109,170,37,133,122>>,
ClientPubKey = <<115,39,86,77,44,85,192,176,202,11,4,6,194,144,127,123, 34,67,62,180,190,232,251,5,216,168,192,190,134,65,13,64>>,
ServerPubKey = <<112,91,141,253,183,66,217,102,211,40,13,249,238,51,77,114,163,159,32,1,162,219,76,106,89,164,34,71,149,2,103,59>>,
{ok, TcpSock} = gen_tcp:connect("localhost", 7890, [{active, true}, binary, {reuseaddr, true}], 1000),
gen_tcp:send(TcpSock, <<0,8,0,0,3>>), %% "Noise_XK_25519_ChaChaPoly_Blake2b"
Opts = [ {noise, TestProtocol}
, {s, #key_pair{ pik = ClientPrivKey, puk = ClientPubKey }}
, {rs, ServerPubKey}
, {prologue, <<0,8,0,0,3>>}],
{ok, EConn} = enoise:connect(TcpSock, Opts),
EConn1 = enoise:send(EConn, <<"ok\n">>),
{EConn2, <<"ok\n">>} = enoise:recv(EConn1),
enoise:close(EConn2).
%% Expects a call-in from a local echo-client (noise-c)
%% server_test_() ->
%% {timeout, 20, fun() ->
%% TestProtocol = enoise_protocol:from_name("Noise_XK_25519_ChaChaPoly_Blake2b"),
%% ServerPrivKey = <<200,81,196,192,228,196,182,200,181,83,169,255,242,54,99,113,8,49,129,92,225,220,99,50,93,96,253,250,116,196,137,103>>,
%% ServerPubKey = <<112,91,141,253,183,66,217,102,211,40,13,249,238,51,77,114,163,159,32,1,162,219,76,106,89,164,34,71,149,2,103,59>>,
%% Opts = [ {noise, TestProtocol}
%% , {s, #key_pair{ pik = ServerPrivKey, puk = ServerPubKey }}
%% , {prologue, <<0,8,0,0,3>>}],
%% {ok, LSock} = gen_tcp:listen(7891, [{reuseaddr, true}, binary]),
%% {ok, TcpSock} = gen_tcp:accept(LSock, 10000),
%% receive {tcp, TcpSock, <<0,8,0,0,3>>} -> ok
%% after 1000 -> error(timeout) end,
%% {ok, EConn} = enoise:accept(TcpSock, Opts),
%% {EConn1, Msg} = enoise:recv(EConn),
%% EConn2 = enoise:send(EConn1, Msg),
%% enoise:close(EConn2)
%% end}.