%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(ssl_cipher_SUITE).
%% Note: This directive should only be used in test suites.
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include("ssl_internal.hrl").
-include("ssl_record.hrl").
-include("ssl_cipher.hrl").
-include("ssl_alert.hrl").
-define(TIMEOUT, 600000).
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[aes_decipher_good, aes_decipher_good_tls11, aes_decipher_fail, aes_decipher_fail_tls11].
groups() ->
[].
init_per_suite(Config) ->
try crypto:start() of
ok ->
Config
catch _:_ ->
{skip, "Crypto did not start"}
end.
end_per_suite(_Config) ->
ssl:stop(),
application:stop(crypto).
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_TestCase, Config0) ->
Config = lists:keydelete(watchdog, 1, Config0),
Dog = ct:timetrap(?TIMEOUT),
[{watchdog, Dog} | Config].
end_per_testcase(_TestCase, Config) ->
Config.
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
aes_decipher_good() ->
[{doc,"Decipher a known cryptotext."}].
aes_decipher_good(Config) when is_list(Config) ->
HashSz = 32,
CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>,
key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,148>>},
Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8,
190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160,
198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122,
108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>,
Content = <<183,139,16,132,10,209,67,86,168,100,61,217,145,57,36,56, "HELLO\n">>,
Mac = <<71,136,212,107,223,200,70,232,127,116,148,205,232,35,158,113,237,174,15,217,192,168,35,8,6,107,107,233,25,174,90,111>>,
Version = {3,0},
{Content, Mac, _} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version),
Version1 = {3,1},
{Content, Mac, _} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version1),
ok.
%%--------------------------------------------------------------------
aes_decipher_good_tls11() ->
[{doc,"Decipher a known TLS 1.1 cryptotext."}].
%% the fragment is actuall a TLS 1.1 record, with
%% Version = TLS 1.1, we get the correct NextIV in #cipher_state
aes_decipher_good_tls11(Config) when is_list(Config) ->
HashSz = 32,
CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>,
key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,148>>},
Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8,
190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160,
198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122,
108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>,
Content = <<"HELLO\n">>,
NextIV = <<183,139,16,132,10,209,67,86,168,100,61,217,145,57,36,56>>,
Mac = <<71,136,212,107,223,200,70,232,127,116,148,205,232,35,158,113,237,174,15,217,192,168,35,8,6,107,107,233,25,174,90,111>>,
Version = {3,2},
{Content, Mac, #cipher_state{iv = NextIV}} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version),
Version1 = {3,2},
{Content, Mac, #cipher_state{iv = NextIV}} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version1),
ok.
%%--------------------------------------------------------------------
aes_decipher_fail() ->
[{doc,"Decipher a known cryptotext."}].
%% same as above, last byte of key replaced
aes_decipher_fail(Config) when is_list(Config) ->
HashSz = 32,
CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>,
key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,254>>},
Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8,
190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160,
198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122,
108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>,
Version = {3,0},
{Content, Mac, _} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version),
32 = byte_size(Content),
32 = byte_size(Mac),
Version1 = {3,1},
{Content1, Mac1, _} = ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version1),
32 = byte_size(Content1),
32 = byte_size(Mac1),
ok.
%%--------------------------------------------------------------------
aes_decipher_fail_tls11() ->
[{doc,"Decipher a known TLS 1.1 cryptotext."}].
%% same as above, last byte of key replaced
%% stricter padding checks in TLS 1.1 mean we get an alert instead
aes_decipher_fail_tls11(Config) when is_list(Config) ->
HashSz = 32,
CipherState = #cipher_state{iv = <<59,201,85,117,188,206,224,136,5,109,46,70,104,79,4,9>>,
key = <<72,196,247,97,62,213,222,109,210,204,217,186,172,184,197,254>>},
Fragment = <<220,193,179,139,171,33,143,245,202,47,123,251,13,232,114,8,
190,162,74,31,186,227,119,155,94,74,119,79,169,193,240,160,
198,181,81,19,98,162,213,228,74,224,253,168,156,59,195,122,
108,101,107,242,20,15,169,150,163,107,101,94,93,104,241,165>>,
Version = {3,2},
#alert{level = ?FATAL, description = ?BAD_RECORD_MAC} =
ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version),
Version1 = {3,3},
#alert{level = ?FATAL, description = ?BAD_RECORD_MAC} =
ssl_cipher:decipher(?AES, HashSz, CipherState, Fragment, Version1),
ok.
%%--------------------------------------------------------------------
