Merge branch 'hans/ssh/ssh_benchmark_SUITE' into maint

* hans/ssh/ssh_benchmark_SUITE:
  ssh: benchmark all common kex and cipher algorithms
  New structure of the report
  ssh: ssh_benchmark_SUITE re-organized
  ssh: Add first version of ssh_benchmark_SUITE

23 files changed, 581 insertions, 4 deletions

diff --git a/lib/ssh/test/Makefile b/lib/ssh/test/Makefile
index 781a876723..9cd98f069f 100644
--- a/lib/ssh/test/Makefile
+++ b/lib/ssh/test/Makefile
@@ -35,9 +35,8 @@ MODULES= \
 	ssh_algorithms_SUITE \
 	ssh_options_SUITE \
 	ssh_renegotiate_SUITE \
-	\
 	ssh_basic_SUITE \
-	\
+	ssh_benchmark_SUITE \
 	ssh_connection_SUITE \
 	ssh_protocol_SUITE \
 	ssh_sftp_SUITE \
@@ -129,7 +128,7 @@ release_spec: opt
 release_tests_spec: opt
 	$(INSTALL_DIR) "$(RELSYSDIR)"
 	$(INSTALL_DATA) $(ERL_FILES) "$(RELSYSDIR)"
-	$(INSTALL_DATA) ssh.spec ssh.cover "$(RELSYSDIR)"
+	$(INSTALL_DATA) ssh.spec ssh_bench.spec ssh.cover "$(RELSYSDIR)"
 	$(INSTALL_DATA) $(HRL_FILES_NEEDED_IN_TEST) "$(RELSYSDIR)"
 	chmod -R u+w "$(RELSYSDIR)"
 	@tar cf - *_SUITE_data | (cd "$(RELSYSDIR)"; tar xf -)
diff --git a/lib/ssh/test/ssh.spec b/lib/ssh/test/ssh.spec
index 8de0fe44e4..a3296d97a1 100644
--- a/lib/ssh/test/ssh.spec
+++ b/lib/ssh/test/ssh.spec
@@ -1,4 +1,7 @@
 {suites,"../ssh_test",all}.
+{skip_cases, "../ssh_test",
+    ssl_benchmark_SUITE, [openssh_shell,erl_shell],
+    "Benchmarks run separately"}.
 {skip_cases,"../ssh_test",ssh_ssh_SUITE,
             [ssh],
             "Current implementation is timingdependent and\nhence will succeed/fail on a whim"}.
diff --git a/lib/ssh/test/ssh_bench.spec b/lib/ssh/test/ssh_bench.spec
new file mode 100644
index 0000000000..029f0bd074
--- /dev/null
+++ b/lib/ssh/test/ssh_bench.spec
@@ -0,0 +1 @@
+{suites,"../ssh_test",[ssh_benchmark_SUITE]}.
diff --git a/lib/ssh/test/ssh_benchmark_SUITE.erl b/lib/ssh/test/ssh_benchmark_SUITE.erl
new file mode 100644
index 0000000000..2add99de97
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE.erl
@@ -0,0 +1,426 @@
+%%%-------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(ssh_benchmark_SUITE).
+-compile(export_all).
+
+-include_lib("common_test/include/ct_event.hrl").
+-include_lib("common_test/include/ct.hrl").
+
+-include_lib("ssh/src/ssh.hrl").
+-include_lib("ssh/src/ssh_transport.hrl").
+-include_lib("ssh/src/ssh_connect.hrl").
+-include_lib("ssh/src/ssh_userauth.hrl").
+
+
+suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}].
+%%suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() -> [{group, opensshc_erld} 
+%%	  {group, erlc_opensshd}
+	 ].
+
+groups() ->
+    [{opensshc_erld, [{repeat, 3}], [openssh_client_shell]},
+     {erlc_opensshd, [{repeat, 3}], [erl_shell]}
+    ].
+
+
+init_per_suite(Config) ->
+    catch ssh:stop(),
+    catch crypto:stop(),
+    try 
+	ok = crypto:start(),
+	report_client_algorithms(),
+	ok = ssh:start(),
+	{ok,TracerPid} = erlang_trace(),
+	[{tracer_pid,TracerPid} | Config]
+    catch
+	C:E ->
+	    {skip, io_lib:format("Couldn't start ~p:~p",[C,E])}
+    end.
+    
+end_per_suite(_Config) ->
+    catch ssh:stop(),
+    catch crypto:stop(),
+    ok.
+
+
+
+init_per_group(opensshc_erld, Config) ->
+    case ssh_test_lib:ssh_type() of
+	openSSH -> 
+	    DataDir = ?config(data_dir, Config),
+	    UserDir = ?config(priv_dir, Config),
+	    ssh_test_lib:setup_dsa(DataDir, UserDir),
+	    ssh_test_lib:setup_rsa(DataDir, UserDir),
+	    ssh_test_lib:setup_ecdsa("256", DataDir, UserDir),
+	    [{c_kexs, ssh_test_lib:sshc(kex)},
+	     {c_ciphers, ssh_test_lib:sshc(cipher)}
+	     | Config];
+	_ -> 
+	    {skip, "No OpenSsh client found"}
+    end;
+		       
+init_per_group(erlc_opensshd, _) ->
+    {skip, "Group erlc_opensshd not implemented"};
+
+init_per_group(_GroupName, Config) ->
+    Config.
+
+end_per_group(_GroupName, _Config) ->
+    ok.
+
+
+init_per_testcase(_Func, Conf) ->
+    Conf.
+
+end_per_testcase(_Func, _Conf) ->
+    ok.
+
+%%%================================================================
+openssh_client_shell(Config) ->
+    CommonAlgs = ssh_test_lib:intersect_bi_dir(
+		   ssh_test_lib:intersection(ssh:default_algorithms(),
+					     ssh_test_lib:default_algorithms(sshc))),
+    KexVariants = 
+	[ [{kex,[Kex]}]
+	  || Kex <- proplists:get_value(kex, CommonAlgs)],
+    CipherVariants = 
+	[ [{cipher,[{client2server,[Cipher]},
+		    {server2client,[Cipher]}]}]
+	  || Cipher <- proplists:get_value(cipher, CommonAlgs)],
+    
+    
+    lists:foreach(
+      fun(PrefAlgs=[{kex,[Kex]}]) when Kex == 'diffie-hellman-group-exchange-sha256' ->
+	      lists:foreach(
+		fun(Grp) ->
+			openssh_client_shell(Config, 
+					     [{preferred_algorithms, PrefAlgs},
+					      {dh_gex_groups, [Grp]}
+					     ])
+		end, moduli());
+	 (PrefAlgs) -> 
+	      openssh_client_shell(Config, 
+				   [{preferred_algorithms, PrefAlgs}])
+      end, KexVariants ++ CipherVariants).
+    
+
+openssh_client_shell(Config, Options) ->
+    SystemDir = ?config(data_dir, Config),
+    UserDir = ?config(priv_dir, Config),
+    KnownHosts = filename:join(UserDir, "known_hosts"),
+    
+    {ok, TracerPid} = erlang_trace(),
+    {ServerPid, _Host, Port} =
+	ssh_test_lib:daemon([{system_dir, SystemDir},
+			     {public_key_alg, ssh_dsa},
+			     {failfun, fun ssh_test_lib:failfun/2} |
+			     Options]),
+    ct:sleep(500),
+
+    Data = lists:duplicate(100000, $a),
+    Cmd = lists:concat(["ssh -p ",Port,
+			" -o UserKnownHostsFile=", KnownHosts,
+			" -o \"StrictHostKeyChecking no\"",
+			" localhost '\"",Data,"\"'."]),
+%%    ct:pal("Cmd ="++Cmd),
+
+    Parent = self(),
+    SlavePid = spawn(fun() ->
+			     Parent ! {self(),os:cmd(Cmd)}
+		     end),
+    receive
+	{SlavePid, _ClientResponse} ->
+%%	    ct:pal("ClientResponse = ~p",[_ClientResponse]),
+	    {ok, List} = get_trace_list(TracerPid),
+	    Times = find_times(List),
+	    Algs = find_algs(List),
+	    ct:pal("Algorithms = ~p~n~nTimes = ~p",[Algs,Times]),
+	    lists:foreach(
+	      fun({Tag,Value,Unit}) ->
+		      EventData =
+			  case Tag of
+			      {A,B} when A==encrypt ; A==decrypt -> 
+				  [{value, Value},
+				   {suite, ?MODULE}, 
+				   {name, mk_name(["Cipher ",A," ",B," [",Unit,"]"])}
+				  ];
+			      kex ->
+				  KexAlgStr = fmt_alg(Algs#alg.kex, List),
+				  [{value, Value},
+				   {suite, ?MODULE}, 
+				   {name, mk_name(["Erl server kex ",KexAlgStr," [",Unit,"]"])}
+				  ];
+			      _ when is_atom(Tag) ->
+				  [{value, Value},
+				   {suite, ?MODULE}, 
+				   {name, mk_name(["Erl server ",Tag," [",Unit,"]"])}
+				  ]
+			  end,
+		      ct:pal("ct_event:notify ~p",[EventData]),
+		      ct_event:notify(#event{name = benchmark_data,
+					     data = EventData})
+	      end, Times),
+	    ssh:stop_daemon(ServerPid),
+	    ok
+    after 10000 ->
+	    ssh:stop_daemon(ServerPid),
+	    exit(SlavePid, kill),
+	    {fail, timeout}
+    end.
+
+
+%%%================================================================
+fmt_alg(Alg, List) when is_atom(Alg) ->
+    fmt_alg(atom_to_list(Alg), List);
+fmt_alg(Alg = "diffie-hellman-group-exchange-sha" ++ _, List) ->
+    try 
+	integer_to_list(find_gex_size_string(List))
+    of
+	GexSize -> lists:concat([Alg," ",GexSize])
+    catch
+	_:_ -> Alg
+    end;
+fmt_alg(Alg, List) ->
+    Alg.
+
+%%%----------------------------------------------------------------
+mk_name(Name) -> [char(C) || C <- lists:concat(Name)].
+
+char($-) -> $_;
+char(C) -> C.
+
+%%%----------------------------------------------------------------
+find_times(L) ->
+    Xs =  [accept_to_hello, kex, kex_to_auth, auth, to_prompt],
+    [find_time(X,L) || X <- Xs]	++
+	crypto_algs_times_sizes([encrypt,decrypt], L).
+
+-record(call, {
+	  mfa,
+	  pid,
+	  t_call,
+	  t_return,
+	  args,
+	  result
+	 }).
+
+%%%----------------
+-define(send(M), fun(C=#call{mfa = {ssh_message,encode,1},
+			     args = [M]}) ->
+			 C#call.t_return
+		 end).
+
+-define(recv(M), fun(C=#call{mfa = {ssh_message,decode,1},
+			     result = M}) ->
+			    C#call.t_call
+		 end).
+
+find_time(accept_to_hello, L) ->
+    [T0,T1] = find([fun(C=#call{mfa = {ssh_acceptor,handle_connection,5}}) ->
+			    C#call.t_call
+		    end,
+		    fun(C=#call{mfa = {ssh_connection_handler,hello,_},
+				args = [socket_control|_]}) ->
+			    C#call.t_return
+		    end
+		   ], L, []),
+    {accept_to_hello, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(kex, L) ->
+    [T0,T1] = find([fun(C=#call{mfa = {ssh_connection_handler,hello,_},
+				args = [socket_control|_]}) ->
+			    C#call.t_call
+		    end,
+		    ?send(#ssh_msg_newkeys{})
+		    ], L, []),
+    {kex, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(kex_to_auth, L) ->
+    [T0,T1] = find([?send(#ssh_msg_newkeys{}),
+		    ?recv(#ssh_msg_userauth_request{})
+		   ], L, []),
+    {kex_to_auth, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(auth, L) ->
+    [T0,T1] = find([?recv(#ssh_msg_userauth_request{}),
+		    ?send(#ssh_msg_userauth_success{})
+		   ], L, []),
+    {auth, now2micro_sec(now_diff(T1,T0)), microsec};
+find_time(to_prompt, L) ->
+    [T0,T1] = find([fun(C=#call{mfa = {ssh_acceptor,handle_connection,5}}) ->
+			    C#call.t_call
+		    end,
+		    ?recv(#ssh_msg_channel_request{request_type="env"})
+		   ], L, []),
+    {to_prompt, now2micro_sec(now_diff(T1,T0)), microsec}.
+
+
+find([F|Fs], [C|Cs], Acc) when is_function(F,1) ->
+    try
+	F(C)
+    of
+	T -> find(Fs, Cs, [T|Acc])
+    catch
+	_:_ -> find([F|Fs], Cs, Acc)
+    end;
+find([], _, Acc) ->
+    lists:reverse(Acc).
+
+
+find_algs(L) ->
+    {value, #call{result={ok,Algs}}} =
+	lists:keysearch({ssh_transport,select_algorithm,3}, #call.mfa, L),
+    Algs.
+
+find_gex_size_string(L) ->
+    %% server
+    {value, #call{result={ok,{Size, _}}}} =
+	lists:keysearch({public_key,dh_gex_group,4}, #call.mfa, L),
+    Size.
+
+%%%----------------
+crypto_algs_times_sizes(EncDecs, L) ->
+    Raw = [{_Algorithm = case EncDec of
+			     encrypt -> {encrypt,S#ssh.encrypt};
+			     decrypt -> {decrypt,S#ssh.decrypt}
+			 end, 
+	    size(Data),
+	    now2micro_sec(now_diff(T1, T0))
+	   }
+	   || EncDec <- EncDecs,
+	      #call{mfa = {ssh_transport,ED,2},
+		    args = [S,Data],
+		    t_call = T0,
+		    t_return = T1} <- L,
+	      ED == EncDec
+	  ],
+    [{Alg, round(1024*Time/Size), "microsec per kbyte"}  % Microseconds per 1k bytes.
+     || {Alg,Size,Time} <- lists:foldl(fun increment/2, [], Raw)].
+
+increment({Alg,Sz,T}, [{Alg,SumSz,SumT}|Acc]) ->
+    [{Alg,SumSz+Sz,SumT+T} | Acc];
+increment(Spec, [X|Acc]) ->
+    [X | increment(Spec,Acc)]; % Not so many Alg, 2 or 3
+increment({Alg,Sz,T},[]) ->
+    [{Alg,Sz,T}].
+
+%%%----------------------------------------------------------------
+%%%
+%%% API for the traceing
+%%% 
+get_trace_list(TracerPid) ->
+    TracerPid ! {get_trace_list,self()},
+    receive
+	{trace_list,L} -> {ok, pair_events(lists:reverse(L))}
+    after 5000 -> {error,no_reply}
+    end.
+
+erlang_trace() ->
+    TracerPid = spawn(fun trace_loop/0),
+    0 = erlang:trace(new, true, [call,timestamp,{tracer,TracerPid}]),
+    [init_trace(MFA, tp(MFA))
+     || MFA <- [{ssh_acceptor,handle_connection,5},
+		{ssh_connection_handler,hello,2},
+		{ssh_message,encode,1},
+		{ssh_message,decode,1},
+		{ssh_transport,select_algorithm,3},
+		{ssh_transport,encrypt,2},
+		{ssh_transport,decrypt,2},
+		{public_key,dh_gex_group,4} % To find dh_gex group size
+	       ]],
+    {ok, TracerPid}.
+
+tp({_M,_F,Arity}) ->
+    [{lists:duplicate(Arity,'_'), [], [{return_trace}]}].
+
+%%%----------------------------------------------------------------
+init_trace(MFA = {Module,_,_}, TP) ->
+    case code:is_loaded(Module) of
+	false -> code:load_file(Module);
+	_ -> ok
+    end,
+    erlang:trace_pattern(MFA, TP, [local]).
+
+    
+trace_loop() ->
+    trace_loop([]).
+
+trace_loop(L) ->
+    receive
+	{get_trace_list, From} ->
+	    From ! {trace_list, L},
+	    trace_loop(L);
+	Ev ->
+	    trace_loop([Ev|L])
+    end.
+
+pair_events(L) ->
+    pair_events(L, []).
+
+pair_events([{trace_ts,Pid,call,{M,F,Args},TS0} | L], Acc) ->
+    Arity = length(Args),
+    {ReturnValue,TS1} = find_return(Pid, {M,F,Arity}, L),
+    pair_events(L, [#call{mfa = {M,F,Arity},
+			  pid = Pid,
+			  t_call = TS0,
+			  t_return = TS1,
+			  args = Args,
+			  result = ReturnValue} | Acc]);
+pair_events([_|L], Acc) ->
+    pair_events(L, Acc);
+pair_events([], Acc) ->
+    lists:reverse(Acc).
+
+
+find_return(Pid, MFA, 
+	    [{trace_ts, Pid, return_from, MFA, ReturnValue, TS}|_]) ->
+    {ReturnValue, TS};
+find_return(Pid, MFA, [_|L]) ->
+    find_return(Pid, MFA, L);
+find_return(_, _, []) ->
+    {undefined, undefined}.
+
+%%%----------------------------------------------------------------
+report_client_algorithms() ->
+    try
+	ssh_test_lib:extract_algos( ssh_test_lib:default_algorithms(sshc) )
+    of
+	ClientAlgs ->
+	    ct:pal("The client supports:~n~p",[ClientAlgs])
+    catch
+	Cls:Err ->
+	    ct:pal("Testing client about algorithms failed:~n~p  ~p",[Cls,Err])
+    end.
+
+%%%----------------------------------------------------------------
+
+
+now2sec({A,B,C}) -> A*1000000 + B + C/1000000.
+
+now2micro_sec({A,B,C}) -> (A*1000000 + B)*1000000 + C.
+		    
+now_diff({A1,B1,C1}, {A0,B0,C0}) -> {A1-A0, B1-B0, C1-C0}.
+
+%%%================================================================
+moduli() ->
+    [{1023, 5, 16#CF973CD39DC7D62F2C45AAC5180491104C76E0FE5D80A10E6C06AE442F1F373167B0FCBC931F3C157B10A5557008FDE20D68051E6A4DB11CEE0B0749F76D7134B937A59DA998C42BC234A5C1A3CFCD70E624D253D7694076F7B1FD7B8D3427849C9377B3555796ACA58C69DFF542EEEC9859D3ADCE5CC88DF6F7817C9D182EB7},
+     {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},
+     {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},
+     {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},
+     {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}].
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_dsa b/lib/ssh/test/ssh_benchmark_SUITE_data/id_dsa
new file mode 100644
index 0000000000..d306f8b26e
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_dsa
@@ -0,0 +1,13 @@
+-----BEGIN DSA PRIVATE KEY-----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+-----END DSA PRIVATE KEY-----
+
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256 b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256
new file mode 100644
index 0000000000..4b1eb12eaa
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIJfCaBKIIKhjbJl5F8BedqlXOQYDX5ba9Skypllmx/w+oAoGCCqGSM49
+AwEHoUQDQgAE49RbK2xQ/19ji3uDPM7uT4692LbwWF1TiaA9vUuebMGazoW/98br
+N9xZu0L1AWwtEjs3kmJDTB7eJEGXnjUAcQ==
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256.pub
new file mode 100644
index 0000000000..a0147e60fa
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa256.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOPUWytsUP9fY4t7gzzO7k+Ovdi28FhdU4mgPb1LnmzBms6Fv/fG6zfcWbtC9QFsLRI7N5JiQ0we3iRBl541AHE= uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384 b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384
new file mode 100644
index 0000000000..4e8aa40959
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384
@@ -0,0 +1,6 @@
+-----BEGIN EC PRIVATE KEY-----
+MIGkAgEBBDCYXb6OSAZyXRfLXOtMo43za197Hdc/T0YKjgQQjwDt6rlRwqTh7v7S
+PV2kXwNGdWigBwYFK4EEACKhZANiAARN2khlJUOOIiwsWHEALwDieeZR96qL4pUd
+ci7aeGaczdUK5jOA9D9zmBZtSYTfO8Cr7ekVghDlcWAIJ/BXcswgQwSEQ6wyfaTF
+8FYfyr4l3u9IirsnyaFzeIgeoNis8Gw=
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384.pub
new file mode 100644
index 0000000000..41e722e545
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa384.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBE3aSGUlQ44iLCxYcQAvAOJ55lH3qovilR1yLtp4ZpzN1QrmM4D0P3OYFm1JhN87wKvt6RWCEOVxYAgn8FdyzCBDBIRDrDJ9pMXwVh/KviXe70iKuyfJoXN4iB6g2KzwbA== uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521 b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521
new file mode 100644
index 0000000000..7196f46e97
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521
@@ -0,0 +1,7 @@
+-----BEGIN EC PRIVATE KEY-----
+MIHbAgEBBEFMadoz4ckEcClfqXa2tiUuYkJdDfwq+/iFQcpt8ESuEd26IY/vm47Q
+9UzbPkO4ou8xkNsQ3WvCRQBBWtn5O2kUU6AHBgUrgQQAI6GBiQOBhgAEAde5BRu5
+01/jS0jRk212xsb2DxPrxNpgp6IMCV8TA4Eps+8bSqHB091nLiBcP422HXYfuCd7
+XDjSs8ihcmhp0hCRASLqZR9EzW9W/SOt876May1Huj5X+WSO6RLe7vPn9vmf7kHf
+pip6m7M7qp2qGgQ3q2vRwS2K/O6156ohiOlmuuFs
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521.pub
new file mode 100644
index 0000000000..8f059120bc
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_ecdsa521.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAHXuQUbudNf40tI0ZNtdsbG9g8T68TaYKeiDAlfEwOBKbPvG0qhwdPdZy4gXD+Nth12H7gne1w40rPIoXJoadIQkQEi6mUfRM1vVv0jrfO+jGstR7o+V/lkjukS3u7z5/b5n+5B36YqepuzO6qdqhoEN6tr0cEtivzuteeqIYjpZrrhbA== uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/id_rsa b/lib/ssh/test/ssh_benchmark_SUITE_data/id_rsa
new file mode 100644
index 0000000000..9d7e0dd5fb
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/id_rsa
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key
new file mode 100644
index 0000000000..51ab6fbd88
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key
@@ -0,0 +1,13 @@
+-----BEGIN DSA PRIVATE KEY-----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+-----END DSA PRIVATE KEY-----
+
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key.pub
new file mode 100644
index 0000000000..4dbb1305b0
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_dsa_key.pub
@@ -0,0 +1,11 @@
+---- BEGIN SSH2 PUBLIC KEY ----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+---- END SSH2 PUBLIC KEY ----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256 b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256
new file mode 100644
index 0000000000..2979ea88ed
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIMe4MDoit0t8RzSVPwkCBemQ9fhXL+xnTSAWISw8HNCioAoGCCqGSM49
+AwEHoUQDQgAEo2q7U3P6r0W5WGOLtM78UQtofM9UalEhiZeDdiyylsR/RR17Op0s
+VPGSADLmzzgcucLEKy17j2S+oz42VUJy5A==
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256.pub
new file mode 100644
index 0000000000..85dc419345
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key256.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKNqu1Nz+q9FuVhji7TO/FELaHzPVGpRIYmXg3YsspbEf0UdezqdLFTxkgAy5s84HLnCxCste49kvqM+NlVCcuQ= uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384 b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384
new file mode 100644
index 0000000000..fb1a862ded
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384
@@ -0,0 +1,6 @@
+-----BEGIN EC PRIVATE KEY-----
+MIGkAgEBBDArxbDfh3p1okrD9wQw6jJ4d4DdlBPD5GqXE8bIeRJiK41Sh40LgvPw
+mkqEDSXK++CgBwYFK4EEACKhZANiAAScl43Ih2lWTDKrSox5ve5uiTXil4smsup3
+CfS1XPjKxgBAmlfBim8izbdrT0BFdQzz2joduNMtpt61wO4rGs6jm0UP7Kim9PC7
+Hneb/99fIYopdMH5NMnk60zGO1uZ2vc=
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384.pub
new file mode 100644
index 0000000000..428d5fb7d7
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key384.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBJyXjciHaVZMMqtKjHm97m6JNeKXiyay6ncJ9LVc+MrGAECaV8GKbyLNt2tPQEV1DPPaOh240y2m3rXA7isazqObRQ/sqKb08Lsed5v/318hiil0wfk0yeTrTMY7W5na9w== uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521 b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521
new file mode 100644
index 0000000000..3e51ec2ecd
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521
@@ -0,0 +1,7 @@
+-----BEGIN EC PRIVATE KEY-----
+MIHcAgEBBEIB8O1BFkl2HQjQLRLonEZ97da/h39DMa9/0/hvPZWAI8gUPEQcHxRx
+U7b09p3Zh+EBbMFq8+1ae9ds+ZTxE4WFSvKgBwYFK4EEACOhgYkDgYYABAAlWVjq
+Bzg7Wt4gE6UNb1lRE2cnlmH2L/A5uo6qZRx5lPnSKOxEhxSb/Oay1+9d6KRdrh6/
+vlhd9SHDBhLcAPDvWgBnJIEj92Q3pXX4JtoitL0yl+SvvU+vUh966mzHShHzj8p5
+ccOgPkPNoA70yrpGzkIhPezpZOQdCaOXj/jFqNCTDg==
+-----END EC PRIVATE KEY-----
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521.pub
new file mode 100644
index 0000000000..017a29f4da
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_ecdsa_key521.pub
@@ -0,0 +1 @@
+ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAAlWVjqBzg7Wt4gE6UNb1lRE2cnlmH2L/A5uo6qZRx5lPnSKOxEhxSb/Oay1+9d6KRdrh6/vlhd9SHDBhLcAPDvWgBnJIEj92Q3pXX4JtoitL0yl+SvvU+vUh966mzHShHzj8p5ccOgPkPNoA70yrpGzkIhPezpZOQdCaOXj/jFqNCTDg== uabhnil@elxadlj3q32
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key
new file mode 100644
index 0000000000..79968bdd7d
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key
@@ -0,0 +1,16 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIICXQIBAAKBgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8semM4q843337
+zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RWRWzjaxSB
+6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4QIDAQAB
+AoGANmvJzJO5hkLuvyDZHKfAnGTtpifcR1wtSa9DjdKUyn8vhKF0mIimnbnYQEmW
+NUUb3gXCZLi9PvkpRSVRrASDOZwcjoU/Kvww163vBUVb2cOZfFhyn6o2Sk88Tt++
+udH3hdjpf9i7jTtUkUe+QYPsia+wgvvrmn4QrahLAH86+kECQQDx5gFeXTME3cnW
+WMpFz3PPumduzjqgqMMWEccX4FtQkMX/gyGa5UC7OHFyh0N/gSWvPbRHa8A6YgIt
+n8DO+fh5AkEAzbqX4DOn8NY6xJIi42q7l/2jIA0RkB6P7YugW5NblhqBZ0XDnpA5
+sMt+rz+K07u9XZtxgh1xi7mNfwY6lEAMqQJBAJBEauCKmRj35Z6OyeQku59SPsnY
++SJEREVvSNw2lH9SOKQQ4wPsYlTGbvKtNVZgAcen91L5MmYfeckYE/fdIZECQQCt
+64zxsTnM1I8iFxj/gP/OYlJBikrKt8udWmjaghzvLMEw+T2DExJyb9ZNeT53+UMB
+m6O+B/4xzU/djvp+0hbhAkAemIt+rA5kTmYlFndhpvzkSSM8a2EXsO4XIPgGWCTT
+tQKS/tTly0ADMjN/TVy11+9d6zcqadNVuHXHGtR4W0GR
+-----END RSA PRIVATE KEY-----
+
diff --git a/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key.pub b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key.pub
new file mode 100644
index 0000000000..75d2025c71
--- /dev/null
+++ b/lib/ssh/test/ssh_benchmark_SUITE_data/ssh_host_rsa_key.pub
@@ -0,0 +1,5 @@
+---- BEGIN SSH2 PUBLIC KEY ----
+AAAAB3NzaC1yc2EAAAADAQABAAAAgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8
+semM4q843337zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RW
+RWzjaxSB6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4Q==
+---- END SSH2 PUBLIC KEY ----
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index ed76f4f795..2db55b97b4 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -541,7 +541,6 @@ default_algorithms(sshc, DaemonOptions) ->
 	    ct:fail("No server respons 2")
     end.
 
-
 run_fake_ssh({ok,InitialState}) ->
     KexInitPattern =
 	#ssh_msg_kexinit{
@@ -583,6 +582,40 @@ run_fake_ssh({ok,InitialState}) ->
 		    {server2client, to_atoms(CompS2C)}]}].
     
 
+%%%----------------------------------------------------------------
+extract_algos(Spec) ->
+    [{Tag,get_atoms(List)} || {Tag,List} <- Spec].
+
+get_atoms(L) ->
+    lists:usort(
+      [ A || X <- L,
+	     A <- case X of
+		      {_,L1} when is_list(L1) -> L1;
+		      Y when is_atom(Y) -> [Y]
+		  end]).
+
+
+intersection(AlgoSpec1, AlgoSpec2) -> intersect(sort_spec(AlgoSpec1), sort_spec(AlgoSpec2)).
+
+intersect([{Tag,S1}|Ss1], [{Tag,S2}|Ss2]) ->
+    [{Tag,intersect(S1,S2)} | intersect(Ss1,Ss2)];
+intersect(L1=[A1|_], L2=[A2|_]) when is_atom(A1),is_atom(A2) -> 
+    Diff = L1 -- L2,
+    L1 -- Diff;
+intersect(_, _) -> 
+    [].
+
+intersect_bi_dir([{Tag,[{client2server,L1},{server2client,L2}]}|T]) ->
+    [{Tag,intersect(L1,L2)} | intersect_bi_dir(T)];
+intersect_bi_dir([H={_,[A|_]}|T]) when is_atom(A) ->
+    [H | intersect_bi_dir(T)];
+intersect_bi_dir([]) ->
+    [].
+    
+
+sort_spec(L = [{_,_}|_] ) ->  [{Tag,sort_spec(Es)} || {Tag,Es} <- L];
+sort_spec(L) -> lists:usort(L).
+
 %%--------------------------------------------------------------------
 sshc(Tag) -> 
     to_atoms(