86 lines
3.8 KiB
Erlang
86 lines
3.8 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% @copyright (C) 2018, Aeternity Anstalt
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%%%-------------------------------------------------------------------
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-module(enoise_hs_state_tests).
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-include_lib("eunit/include/eunit.hrl").
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-record(key_pair, { puk, pik }).
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noise_hs_test_() ->
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%% Test vectors from https://raw.githubusercontent.com/rweather/noise-c/master/tests/vector/noise-c-basic.txt
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{setup,
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fun() -> test_utils:noise_test_vectors() end,
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fun(_X) -> ok end,
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fun(Tests) ->
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[ {maps:get(name, T), fun() -> noise_hs_test(T) end}
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|| T <- test_utils:noise_test_filter(Tests) ]
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end
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}.
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noise_hs_test(V = #{ name := Name }) ->
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Protocol = enoise_protocol:from_name(Name),
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FixK = fun(undefined) -> undefined;
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(Bin) -> test_utils:hex_str_to_bin("0x" ++ binary_to_list(Bin)) end,
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Init = #{ prologue => FixK(maps:get(init_prologue, V, <<>>))
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, e => FixK(maps:get(init_ephemeral, V, undefined))
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, s => FixK(maps:get(init_static, V, undefined))
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, rs => FixK(maps:get(init_remote_static, V, undefined)) },
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Resp = #{ prologue => FixK(maps:get(resp_prologue, V, <<>>))
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, e => FixK(maps:get(resp_ephemeral, V, undefined))
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, s => FixK(maps:get(resp_static, V, undefined))
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, rs => FixK(maps:get(resp_remote_static, V, undefined)) },
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Messages = maps:get(messages, V),
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HandshakeHash = maps:get(handshake_hash, V),
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noise_test(Name, Protocol, Init, Resp, Messages, FixK(HandshakeHash)),
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ok.
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noise_test(_Name, Protocol, Init, Resp, Messages, HSHash) ->
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PubK = fun(undefined) -> undefined; (S) -> enacl:curve25519_scalarmult_base(S) end,
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HSInit = fun(P, R, #{ e := E, s := S, rs := RS, prologue := PL }) ->
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enoise_hs_state:init(P, R, PL, {#key_pair{ pik = S, puk = PubK(S) },
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#key_pair{ pik = E, puk = PubK(E) },
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RS, undefined})
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end,
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InitHS = HSInit(Protocol, initiator, Init),
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RespHS = HSInit(Protocol, responder, Resp),
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noise_test(Messages, InitHS, RespHS, HSHash),
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ok.
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noise_test([M = #{ payload := PL0, ciphertext := CT0 } | Msgs], SendHS, RecvHS, HSHash) ->
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PL = test_utils:hex_str_to_bin("0x" ++ binary_to_list(PL0)),
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CT = test_utils:hex_str_to_bin("0x" ++ binary_to_list(CT0)),
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case {enoise_hs_state:next_message(SendHS), enoise_hs_state:next_message(RecvHS)} of
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{out, in} ->
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{ok, SendHS1, Message} = enoise_hs_state:write_message(SendHS, PL),
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?assertEqual(CT, Message),
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{ok, RecvHS1, PL1} = enoise_hs_state:read_message(RecvHS, Message),
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?assertEqual(PL, PL1),
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noise_test(Msgs, RecvHS1, SendHS1, HSHash);
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{done, done} ->
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{ok, #{ rx := RX1, tx := TX1, hs_hash := HSHash1 }} = enoise_hs_state:finalize(SendHS),
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{ok, #{ rx := RX2, tx := TX2, hs_hash := HSHash2 }} = enoise_hs_state:finalize(RecvHS),
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?assertEqual(RX1, TX2), ?assertEqual(RX2, TX1),
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?assertEqual(HSHash, HSHash1), ?assertEqual(HSHash, HSHash2),
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noise_test([M | Msgs], TX1, RX1);
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{Out, In} -> ?assertMatch({out, in}, {Out, In})
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end.
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noise_test([], _, _) -> ok;
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noise_test([#{ payload := PL0, ciphertext := CT0 } | Msgs], CA, CB) ->
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PL = test_utils:hex_str_to_bin("0x" ++ binary_to_list(PL0)),
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CT = test_utils:hex_str_to_bin("0x" ++ binary_to_list(CT0)),
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{ok, CA1, CT1} = enoise_cipher_state:encrypt_with_ad(CA, <<>>, PL),
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?assertEqual(CT, CT1),
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{ok, CA2, PL1} = enoise_cipher_state:decrypt_with_ad(CA, <<>>, CT1),
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?assertEqual(CA1, CA2),
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?assertEqual(PL, PL1),
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noise_test(Msgs, CB, CA1).
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